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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Tibbo Modbus MQTT Gateway — Publish Modbus registers to any MQTT broker</title>
<meta name="description" content="Programmable Tibbo Modbus MQTT Gateway on the TPP2W(G2) platform. Poll Modbus RTU registers over RS-485, scale and timestamp them, and publish to any MQTT broker over TLS — configured from a built-in web console." />
<link rel="icon" href="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Crect width='100' height='100' rx='18' fill='%230a66c2'/%3E%3Ctext x='50' y='70' font-size='56' text-anchor='middle' fill='white' font-family='Arial'%3E%E2%86%97%3C/text%3E%3C/svg%3E" />
<style>
:root{
--bg:#0b1220; --bg-soft:#111a2e; --card:#141f38; --line:#243352;
--ink:#eef3fb; --muted:#9fb0cc; --brand:#3b82f6; --brand-2:#22d3ee;
--ok:#34d399; --warn:#fbbf24; --maxw:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
margin:0; background:var(--bg); color:var(--ink);
font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.muted{color:var(--muted)}
h1,h2,h3{line-height:1.15;margin:0 0 .5em;letter-spacing:-.02em}
h1{font-size:clamp(2rem,4.5vw,3.3rem)}
h2{font-size:clamp(1.5rem,3vw,2.1rem)}
section{padding:72px 0;border-top:1px solid var(--line)}
.eyebrow{color:var(--brand-2);font-weight:700;text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;margin-bottom:14px}
code,kbd{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5em;padding:13px 22px;border-radius:10px;font-weight:700;
border:1px solid transparent;cursor:pointer;transition:.15s transform,.15s box-shadow,.15s background}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:linear-gradient(180deg,var(--brand),#2563eb);color:#fff;box-shadow:0 8px 24px -8px rgba(59,130,246,.7)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand)}
/* Header */
header{position:sticky;top:0;z-index:20;background:rgba(11,18,32,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em}
.brand .logo{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:grid;place-items:center;color:#fff;font-weight:900}
.nav-links{display:flex;gap:26px;align-items:center}
.nav-links a{color:var(--muted);font-weight:600;font-size:.95rem}
.nav-links a:hover{color:var(--ink)}
.nav .btn{padding:9px 16px}
@media(max-width:980px){.nav-links a:not(.btn){display:none}}
/* Hero */
.hero{padding:84px 0 72px;background:
radial-gradient(900px 420px at 78% -10%,rgba(34,211,238,.16),transparent 60%),
radial-gradient(700px 400px at 10% 10%,rgba(59,130,246,.18),transparent 55%)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:34px}}
.badge{display:inline-flex;gap:8px;align-items:center;background:var(--bg-soft);border:1px solid var(--line);
padding:6px 12px;border-radius:999px;font-size:.82rem;color:var(--muted);margin-bottom:18px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(52,211,153,.2)}
.lead{font-size:1.12rem;color:var(--muted);max-width:46ch;margin:0 0 26px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:22px}
.reassure{font-size:.86rem;color:var(--muted);display:flex;gap:18px;flex-wrap:wrap}
.reassure span{display:inline-flex;gap:6px;align-items:center}
/* Device photo (shown once img/device.png exists) */
.device{position:relative;max-width:420px;margin:0 auto;padding:6px}
.device[hidden]{display:none}
.device::before{content:"";position:absolute;inset:0% 4% 6%;z-index:0;
background:radial-gradient(closest-side,rgba(59,130,246,.30),rgba(34,211,238,.12) 55%,transparent 75%);
filter:blur(4px)}
.devshot{position:relative;z-index:1;filter:drop-shadow(0 26px 34px rgba(0,0,0,.6))}
.device img.dev{width:100%;height:auto;display:block} /* keep native aspect — no stretch */
.device figcaption{position:relative;z-index:1;text-align:center;color:var(--muted);
font-size:.8rem;font-weight:600;letter-spacing:.01em;padding:14px 4px 0}
/* Hero data-flow diagram */
.flow{position:relative;max-width:430px;margin:0 auto;padding:6px}
.flow::before{content:"";position:absolute;inset:4% 2% 6%;z-index:0;
background:radial-gradient(closest-side,rgba(59,130,246,.26),rgba(34,211,238,.10) 55%,transparent 75%);filter:blur(6px)}
.flow-inner{position:relative;z-index:1;display:grid;gap:12px}
.fnode{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;
box-shadow:0 20px 40px -26px rgba(0,0,0,.9)}
.fnode .ftitle{font-weight:700;font-size:.98rem;display:flex;align-items:center;gap:8px}
.fnode .fsub{color:var(--muted);font-size:.82rem;margin-top:4px}
.fnode.core{border-color:rgba(59,130,246,.55);background:linear-gradient(180deg,rgba(59,130,246,.14),var(--card))}
.fpills{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}
.fpill{font-size:.72rem;color:var(--muted);background:var(--bg);border:1px solid var(--line);
border-radius:999px;padding:3px 9px}
.farrow{display:flex;align-items:center;justify-content:center;gap:10px;color:var(--brand-2);
font-size:.74rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.farrow::before,.farrow::after{content:"";height:1px;flex:1;background:linear-gradient(90deg,transparent,var(--line),transparent)}
.flow figcaption{position:relative;z-index:1;text-align:center;color:var(--muted);
font-size:.8rem;font-weight:600;padding:16px 4px 0}
/* Spec snapshot */
.specstrip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media(max-width:760px){.specstrip{grid-template-columns:repeat(2,1fr)}}
.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}
.stat b{display:block;font-size:1.7rem;color:#fff;letter-spacing:-.02em}
.stat span{color:var(--muted);font-size:.9rem}
/* Feature grid */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:900px){.grid{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;transition:.15s border-color,.15s transform}
.card:hover{border-color:var(--brand);transform:translateY(-2px)}
.card .ic{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;font-size:1.2rem;
background:rgba(59,130,246,.14);border:1px solid rgba(59,130,246,.3);margin-bottom:14px}
.card h3{font-size:1.12rem}
.card p{color:var(--muted);font-size:.95rem;margin:0}
/* Industry applications */
.apps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}
@media(max-width:980px){.apps{grid-template-columns:1fr 1fr}}
@media(max-width:660px){.apps{grid-template-columns:1fr}}
.app{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;
display:flex;flex-direction:column;transition:.15s border-color,.15s transform}
.app:hover{border-color:var(--brand);transform:translateY(-2px)}
.app .ic{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;font-size:1.2rem;
background:rgba(59,130,246,.14);border:1px solid rgba(59,130,246,.3);margin-bottom:14px}
.app h3{font-size:1.06rem;margin-bottom:.4em}
.app p{color:var(--muted);font-size:.93rem;margin:0 0 15px}
/* Miniature of the register-map → topic idiom used in the "How it works" codeboxes. */
.app .mini{background:#0a0f1c;border:1px solid var(--line);border-radius:10px;overflow:hidden;margin-bottom:15px}
.app .mini .mh{padding:7px 12px;background:var(--bg-soft);border-bottom:1px solid var(--line);
font-size:.66rem;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);font-weight:700}
.app .mini pre{margin:0;padding:11px 12px;overflow-x:auto;font-size:.75rem;line-height:1.9;color:#8fa3c4}
.app .mini .t{color:var(--brand-2)}
.app .mini .n{color:var(--ok)}
.app .tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:auto}
.app .tags span{font-size:.72rem;color:var(--muted);background:var(--bg);border:1px solid var(--line);
border-radius:999px;padding:3px 9px}
.apps-more{margin-top:26px;background:linear-gradient(180deg,var(--bg-soft),transparent);
border:1px solid var(--line);border-radius:14px;padding:22px}
.apps-more h3{font-size:1rem;margin-bottom:.5em}
.apps-more p{color:var(--muted);font-size:.93rem;margin:0}
/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:28px}
@media(max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}
.step{background:linear-gradient(180deg,var(--bg-soft),transparent);border:1px solid var(--line);border-radius:14px;padding:20px}
.step .num{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;font-weight:800;font-size:.85rem;
background:var(--brand);color:#fff;margin-bottom:12px}
.step h3{font-size:1rem;margin-bottom:.35em}
.step p{color:var(--muted);font-size:.9rem;margin:0}
/* Audience columns */
.cols{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:900px){.cols{grid-template-columns:1fr}}
.col{background:linear-gradient(180deg,var(--bg-soft),transparent);border:1px solid var(--line);border-radius:14px;padding:24px}
.col h3{font-size:1.05rem;color:var(--brand-2)}
.col ul{margin:12px 0 0;padding-left:18px;color:var(--muted)}
.col li{margin:7px 0}
/* Tables */
.table{width:100%;border-collapse:collapse;overflow:hidden;border-radius:12px;border:1px solid var(--line)}
.table th{background:var(--bg-soft);text-align:left;padding:14px 16px;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.table td{padding:13px 16px;border-top:1px solid var(--line);font-size:.94rem;vertical-align:top}
.table td:first-child{color:var(--muted);width:34%;font-weight:600}
.table-scroll{overflow-x:auto}
.table.cfg td:first-child{width:38%;color:var(--ink);font-weight:600}
.table.cfg td code{color:var(--brand-2);font-size:.86rem}
.table.map td:first-child{width:26%;color:var(--ink)}
/* Topic / payload code panel */
.payload{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px}
@media(max-width:820px){.payload{grid-template-columns:1fr}}
.codebox{background:#0a0f1c;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.codebox .cb-head{padding:11px 16px;background:var(--bg-soft);border-bottom:1px solid var(--line);
font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:700}
.codebox pre{margin:0;padding:16px;overflow-x:auto;font-size:.88rem;line-height:1.7;color:#d7e3f7}
.codebox .k{color:var(--brand-2)}
.codebox .v{color:var(--ok)}
.codebox .c{color:#6b7f9e}
/* CTA / form */
.cta-final{background:
radial-gradient(700px 300px at 80% 0,rgba(34,211,238,.14),transparent 60%),var(--bg-soft)}
.form-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
@media(max-width:860px){.form-grid{grid-template-columns:1fr}}
form{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px}
.field{margin-bottom:14px}
label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:6px;font-weight:600}
input,select,textarea{width:100%;padding:11px 13px;border-radius:9px;background:var(--bg);border:1px solid var(--line);color:var(--ink);font:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(59,130,246,.2)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:520px){.two{grid-template-columns:1fr}}
form .btn{width:100%;justify-content:center;margin-top:6px}
.privacy{font-size:.78rem;color:var(--muted);margin-top:10px;text-align:center}
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<body>
<header>
<div class="wrap nav">
<a class="brand" href="#top"><span class="logo">↗</span> Tibbo Modbus MQTT Gateway</a>
<nav class="nav-links">
<a href="#features">Features</a>
<a href="#applications">Applications</a>
<a href="#console">Configuration</a>
<a href="#specs">Specifications</a>
<a href="AppBlocks%20_%20ModbusMQTTGateway.pdf" download="Tibbo-Modbus-MQTT-Gateway-Datasheet.pdf">Datasheet</a>
<a href="#quote" class="btn btn-primary">Request a Quote</a>
</nav>
</div>
</header>
<a id="top"></a>
<section class="hero" style="border-top:none">
<div class="wrap hero-grid">
<div>
<span class="badge"><span class="dot"></span> Built on the Tibbo TPP2W(G2) programmable platform</span>
<h1>Get your Modbus registers onto MQTT — without writing code.</h1>
<p class="lead">Point the gateway at your RS-485 meters, drives, and PLCs. It polls the registers you list, scales and timestamps every reading, and publishes them to your MQTT broker — plain values on clean topics, TLS optional.</p>
<div class="cta-row">
<a href="#quote" class="btn btn-primary">Request a Quote →</a>
<a href="AppBlocks%20_%20ModbusMQTTGateway.pdf" download="Tibbo-Modbus-MQTT-Gateway-Datasheet.pdf" class="btn btn-ghost">↓ Download Datasheet (PDF)</a>
</div>
<p style="margin:-8px 0 20px"><a href="#specs" style="color:var(--brand-2);font-weight:600;font-size:.92rem">or view the full specifications →</a></p>
<div class="reassure">
<span>✓ Browser-based setup, no firmware rebuild</span>
<span>✓ Works with any MQTT broker</span>
<span>✓ Application engineer support</span>
</div>
</div>
<!-- Device photo. Drop a transparent-background PNG at img/device.png and it replaces
the diagram below automatically (see the probe in the script at the end of the page). -->
<figure class="device" id="deviceFig" hidden>
<div class="devshot">
<img class="dev" id="deviceImg" src="img/device.png" width="400" height="400"
alt="Tibbo Modbus MQTT Gateway on the TPP2W(G2) platform, front view" />
</div>
<figcaption>Modbus MQTT Gateway on the Tibbo TPP2W(G2) platform</figcaption>
</figure>
<figure class="flow" id="flowFig">
<div class="flow-inner">
<div class="fnode">
<div class="ftitle">🔌 Modbus RTU field devices</div>
<div class="fsub">Meters, drives, PLCs and sensors on one RS-485 bus</div>
<div class="fpills"><span class="fpill">Slave IDs 1–255</span><span class="fpill">FC 1 · 2 · 3 · 4</span><span class="fpill">Tibbit 05</span></div>
</div>
<div class="farrow">poll</div>
<div class="fnode core">
<div class="ftitle">↗ Modbus MQTT Gateway</div>
<div class="fsub">Reads your register map, applies each tag's multiplier, timestamps and logs every sample</div>
<div class="fpills"><span class="fpill">30 tags</span><span class="fpill">10,000-sample log</span><span class="fpill">Web console</span></div>
</div>
<div class="farrow">publish</div>
<div class="fnode">
<div class="ftitle">☁️ Your MQTT broker</div>
<div class="fsub">On-premise or cloud — Mosquitto, EMQX, HiveMQ, AWS IoT, Azure IoT and friends</div>
<div class="fpills"><span class="fpill">TCP 1883</span><span class="fpill">TLS</span><span class="fpill">User / password</span></div>
</div>
</div>
<figcaption>Serial field bus in, MQTT out — one device, no middleware</figcaption>
</figure>
</div>
</section>
<!-- Spec snapshot -->
<section id="snapshot">
<div class="wrap">
<div class="specstrip">
<div class="stat"><b>30</b><span>Register tags per gateway</span></div>
<div class="stat"><b>4</b><span>Modbus function codes read</span></div>
<div class="stat"><b>10,000</b><span>Timestamped samples logged on-device</span></div>
<div class="stat"><b>TLS</b><span>Encrypted MQTT with certificate</span></div>
</div>
<div class="chips">
<span class="chip"><b>RS-485</b> Modbus RTU (Tibbit 05)</span>
<span class="chip">Configurable <b>baud, parity, data bits</b></span>
<span class="chip">Poll interval <b>0–600 s</b></span>
<span class="chip">Per-tag <b>scale multiplier</b></span>
<span class="chip"><b>SNTP</b> time sync with time zone</span>
<span class="chip"><b>Password</b>-protected web console</span>
</div>
</div>
</section>
<!-- Animated end-to-end scenario -->
<section id="scenario" style="background:var(--bg-soft)">
<div class="wrap">
<div class="eyebrow">Connect any industrial device</div>
<h2>From an RS-485 register to your dashboard.</h2>
<p class="muted" style="max-width:64ch;margin-top:-6px">The gateway sits between the field bus and the broker: it polls each tag you listed, scales and timestamps the reading, then publishes it on your topic tree. Everything downstream is just an MQTT subscriber.</p>
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<div class="scn-scroll">
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<text class="t-flow" x="300" y="230" text-anchor="middle">POLL</text>
<text class="t-sub" x="300" y="258" text-anchor="middle">every 0–600 s</text>
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<text class="t-title" x="457" y="222" text-anchor="middle">Modbus MQTT Gateway</text>
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<p class="scn-hint">← swipe the diagram to follow the data →</p>
<div class="scn-note">
<span><b>30</b> register tags</span>
<span>Slave IDs <b>1–255</b></span>
<span>Poll <b>0–600 s</b></span>
<span>Publish <b>≥ 5 s</b></span>
<span>Topic <b>prefix/tag_name</b></span>
<span><b>TLS</b> with certificate</span>
</div>
</div>
</div>
</section>
<!-- Features -->
<section id="features">
<div class="wrap">
<div class="eyebrow">Why engineers choose it</div>
<h2>The boring part of an IIoT project, already finished.</h2>
<p class="muted" style="max-width:62ch;margin-top:-6px">Polling loops, register scaling, reconnect logic, topic naming, buffering — the plumbing between a serial field bus and an MQTT broker is all done and configurable from a browser.</p>
<div class="grid" style="margin-top:28px">
<div class="card"><div class="ic">🗺️</div><h3>Register map you edit in a table</h3><p>Each row is one tag: slave ID, register address, function code, multiplier, and the name it publishes under. Up to 30 tags, stored in flash — no rebuild to add a meter.</p></div>
<div class="card"><div class="ic">📡</div><h3>Any MQTT broker</h3><p>Standard MQTT client — host, port, client ID, username and password. Publishes plain values on a topic prefix you choose, so it drops straight into an existing topic tree.</p></div>
<div class="card"><div class="ic">🔐</div><h3>TLS when you need it</h3><p>Turn on MQTT TLS and point the gateway at a certificate file for encrypted transport to cloud brokers. Plain TCP on 1883 when you're inside the plant network.</p></div>
<div class="card"><div class="ic">📈</div><h3>On-device history</h3><p>Every reading is timestamped and appended to a 10,000-record log in flash, alongside a live value table — so a broker outage doesn't mean a blind spot.</p></div>
<div class="card"><div class="ic">🖥️</div><h3>Built-in web console</h3><p>Password-protected pages for network, serial, Modbus and MQTT settings, plus live tables that refresh every second. Nothing to install on the laptop.</p></div>
<div class="card"><div class="ic">🛠️</div><h3>Programmable, not a black box</h3><p>Built on Tibbo's TPP2W(G2) and AppBlocks. Need a JSON payload, a different topic scheme, or an extra protocol? The logic is open to extend.</p></div>
</div>
</div>
</section>
<!-- Industry applications -->
<section id="applications" style="background:radial-gradient(820px 340px at 18% 0,rgba(34,211,238,.10),transparent 62%)">
<div class="wrap">
<div class="eyebrow">Where it is used</div>
<h2>If it has Modbus registers, it has a place on your dashboard.</h2>
<p class="muted" style="max-width:66ch;margin-top:-6px">The gateway doesn't care what the equipment is — a slave ID, a register address, and a function code are enough. These are the applications engineers bring to us most often; each one shows a slice of the register map you would type into the console, and the values that land on your broker.</p>
<div class="apps">
<div class="app">
<div class="ic">🏢</div>
<h3>Building management & HVAC</h3>
<p>Chillers, air handlers, VRF controllers, and floor-level meters already speak Modbus RTU. Publish their temperatures, setpoints, and run states to a BMS dashboard or analytics platform without paying per point.</p>
<div class="mini">
<div class="mh">Devices table → broker</div>
<pre>FC3 40001 ×0.1 → <span class="t">supply_temp</span> <span class="n">18.4</span>
FC3 40105 ×1 → <span class="t">setpoint</span> <span class="n">21</span>
FC1 00034 → <span class="t">fan_run</span> <span class="n">1</span></pre>
</div>
<div class="tags">
<span>return temp</span><span>valve position</span><span>chiller kW</span><span>floor kWh</span>
</div>
</div>
<div class="app">
<div class="ic">🏭</div>
<h3>Manufacturing & machine monitoring</h3>
<p>Read cycle counters, machine states, drive speed, and load from the PLCs and VFDs already on the line. Poll fast for a responsive process and still publish a tidy update every 30 s to your OEE or downtime dashboard.</p>
<div class="mini">
<div class="mh">Devices table → broker</div>
<pre>FC3 40020 ×1 → <span class="t">cycle_count</span> <span class="n">84213</span>
FC3 40044 ×0.1 → <span class="t">vfd_hz</span> <span class="n">47.5</span>
FC1 00009 → <span class="t">fault</span> <span class="n">0</span></pre>
</div>
<div class="tags">
<span>reject counter</span><span>spindle load</span><span>oven temp</span><span>run hours</span>
</div>
</div>
<div class="app">
<div class="ic">⚡</div>
<h3>Energy & tenant submetering</h3>
<p>Poll power meters across a site and publish kWh totals, voltage, current, and power factor in engineering units — the per-tag multiplier turns raw counts into billable figures before they ever leave the gateway.</p>
<div class="mini">
<div class="mh">Devices table → broker</div>
<pre>FC3 30002 ×.01 → <span class="t">kwh_total</span> <span class="n">10432.75</span>
FC3 30010 ×0.1 → <span class="t">volts_l1</span> <span class="n">231.4</span>
FC3 30016 ×.01 → <span class="t">power_fact</span> <span class="n">0.98</span></pre>
</div>
<div class="tags">
<span>current per phase</span><span>demand peak</span><span>frequency</span><span>kVArh</span>
</div>
</div>
<div class="app">
<div class="ic">💧</div>
<h3>Water, wastewater & pump stations</h3>
<p>Unmanned sites with flow meters, pressure and level transmitters, and pump starters. The 10,000-sample on-device log keeps the history intact through a cellular or broker outage, so remote doesn't mean blind.</p>
<div class="mini">
<div class="mh">Devices table → broker</div>
<pre>FC4 30007 ×1 → <span class="t">flow_rate</span> <span class="n">18</span>
FC3 40012 ×0.1 → <span class="t">tank_level</span> <span class="n">62.5</span>
FC1 00003 → <span class="t">pump_run</span> <span class="n">1</span></pre>
</div>
<div class="tags">
<span>flow totaliser</span><span>line pressure</span><span>pump run hours</span><span>motor current</span>
</div>
</div>
<div class="app">
<div class="ic">🌡️</div>
<h3>Cold chain, food & pharma</h3>
<p>Temperature and humidity controllers on refrigeration plant, drying rooms, and storage. Every reading is timestamped against the device's SNTP-synced clock, then published for alerting and long-term retention.</p>
<div class="mini">
<div class="mh">Devices table → broker</div>
<pre>FC3 40001 ×0.1 → <span class="t">chamber_t</span> <span class="n">-18.6</span>
FC3 40003 ×0.1 → <span class="t">humidity</span> <span class="n">41.2</span>
FC2 10005 → <span class="t">door_alarm</span> <span class="n">0</span></pre>
</div>
<div class="tags">
<span>defrost state</span><span>evaporator temp</span><span>compressor run</span><span>setpoint deviation</span>
</div>
</div>
<div class="app">
<div class="ic">☀️</div>
<h3>Solar, storage & generators</h3>
<p>String and hybrid inverters, battery management systems, and genset controllers all expose Modbus RTU. Feed DC and AC power, state of charge, fuel level, and alarm registers into an O&M portal over TLS.</p>
<div class="mini">
<div class="mh">Devices table → broker</div>
<pre>FC3 40072 ×1 → <span class="t">dc_power</span> <span class="n">4820</span>
FC3 40085 ×1 → <span class="t">soc</span> <span class="n">78</span>
FC1 00021 → <span class="t">inv_fault</span> <span class="n">0</span></pre>
</div>
<div class="tags">
<span>AC export kW</span><span>string voltage</span><span>genset fuel level</span><span>run hours</span>
</div>
</div>
</div>
<div class="apps-more">
<h3>Also deployed for</h3>
<p>Data centre power chains (UPS, PDU, and CRAC units) · greenhouse and irrigation control · EV charger fleets · compressed air and process utilities · commercial laundry and kitchen equipment · marine and offshore auxiliaries · OEM machine builders adding cloud telemetry to an existing controller without touching its firmware.</p>
<p style="margin-top:14px"><a href="#quote" style="color:var(--brand-2);font-weight:600">Tell us which devices you need to read and we'll confirm the register map →</a></p>
</div>
</div>
</section>
<!-- How it works -->
<section id="how" style="background:var(--bg-soft)">
<div class="wrap">
<div class="eyebrow">How it works</div>
<h2>Two independent loops: poll, then publish.</h2>
<p class="muted" style="max-width:64ch;margin-top:-6px">Field polling and cloud publishing run on separate timers, so you can read a fast process at 1 s and still publish a tidy update every 30 s — or the other way around.</p>
<div class="steps">
<div class="step"><div class="num">1</div><h3>List your tags</h3><p>Add each register to the Devices table from the web console — slave ID, address, function code, multiplier, name.</p></div>
<div class="step"><div class="num">2</div><h3>Gateway polls the bus</h3><p>On every poll interval it walks the table, issuing one Modbus RTU read per tag with a 1 s response timeout.</p></div>
<div class="step"><div class="num">3</div><h3>Scale, timestamp, store</h3><p>Each raw value is multiplied by the tag's factor, written to the live value table, and appended to the on-device history log.</p></div>
<div class="step"><div class="num">4</div><h3>Publish to MQTT</h3><p>On the publish interval every tag goes out as <code>prefix/tag_name</code> with the value as the payload.</p></div>
</div>
<div class="payload">
<div class="codebox">
<div class="cb-head">Register map (Devices table)</div>
<pre><span class="c"># id addr function code mult name</span>
<span class="k">1</span> <span class="k">40001</span> holding (FC3) 0.1 <span class="v">boiler_temp</span>
<span class="k">1</span> <span class="k">40007</span> input reg (FC4) 1 <span class="v">flow_rate</span>
<span class="k">3</span> <span class="k">00012</span> coil (FC1) 1 <span class="v">pump_run</span>
<span class="k">7</span> <span class="k">30002</span> holding (FC3) 0.01 <span class="v">kwh_total</span>
</pre>
</div>
<div class="codebox">
<div class="cb-head">What lands on your broker</div>
<pre><span class="c"># topic prefix: plant1/line2</span>
<span class="k">plant1/line2/boiler_temp</span> <span class="v">72.4</span>
<span class="k">plant1/line2/flow_rate</span> <span class="v">18</span>
<span class="k">plant1/line2/pump_run</span> <span class="v">1</span>
<span class="k">plant1/line2/kwh_total</span> <span class="v">10432.75</span>
<span class="c"># one topic per tag, value as payload, QoS 0</span>
</pre>
</div>
</div>
<p class="muted" style="font-size:.86rem;margin-top:14px">Topic prefix, publish interval, and every tag name are settings — nothing above is hard-coded. Need a JSON envelope or per-tag topics instead? That's an AppBlocks edit, not a new product.</p>
</div>
</section>
<!-- Configuration reference -->
<section id="console">
<div class="wrap">
<div class="eyebrow">Configure from any browser</div>
<h2>Every setting, on one password-protected console.</h2>
<p class="muted" style="max-width:64ch;margin-top:-6px">Point a browser at the gateway's IP and you get the full configuration — grouped exactly as below — plus live data tables that refresh every second. Here is every field the console exposes and what it ships with.</p>
<!-- Device Console screenshots. Drop img/mb1.png … img/mb4.png in and this viewer
appears automatically; tabs for missing files hide themselves. -->
<div class="shots" id="shotViewer" hidden>
<div class="shot-tabs" role="tablist" aria-label="Device Console screens">
<button class="shot-tab" role="tab" id="captab-1" aria-controls="shotframe" aria-selected="true" onclick="showShot(1)" hidden><span class="tnum">1</span> General</button>
<button class="shot-tab" role="tab" id="captab-2" aria-controls="shotframe" aria-selected="false" onclick="showShot(2)" hidden><span class="tnum">2</span> Network</button>
<button class="shot-tab" role="tab" id="captab-3" aria-controls="shotframe" aria-selected="false" onclick="showShot(3)" hidden><span class="tnum">3</span> Modbus & MQTT</button>
<button class="shot-tab" role="tab" id="captab-4" aria-controls="shotframe" aria-selected="false" onclick="showShot(4)" hidden><span class="tnum">4</span> Live data</button>
</div>
<div class="browser" id="shotframe" role="tabpanel" aria-labelledby="captab-1">
<div class="browser-bar">
<div class="browser-dots"><i></i><i></i><i></i></div>
<div class="browser-url">🔒 <b>192.168.1.40</b><span id="cap-url">/settings</span></div>
</div>
<div class="browser-shot">
<img data-shot="1" src="img/mb1.png" alt="Device Console — General settings" hidden />
<img data-shot="2" src="img/mb2.png" alt="Device Console — Network settings" hidden loading="lazy" />
<img data-shot="3" src="img/mb3.png" alt="Device Console — Modbus and MQTT settings" hidden loading="lazy" />
<img data-shot="4" src="img/mb4.png" alt="Device Console — live register values and sample log" hidden loading="lazy" />
</div>
</div>
<p class="shot-caption" id="cap-caption"><b>The Device Console.</b> Password-protected settings pages and live data tables, served straight from the gateway.</p>
</div>
<h3 style="margin-top:38px;font-size:1.1rem">Every field, and what it defaults to</h3>
<div class="shots" style="margin-top:14px">
<div class="shot-tabs" role="tablist" aria-label="Configuration groups">
<button class="shot-tab" role="tab" id="shottab-1" aria-controls="shotpanel" aria-selected="true" onclick="showGroup(1)"><span class="tnum">1</span> General</button>
<button class="shot-tab" role="tab" id="shottab-2" aria-controls="shotpanel" aria-selected="false" onclick="showGroup(2)"><span class="tnum">2</span> Network</button>
<button class="shot-tab" role="tab" id="shottab-3" aria-controls="shotpanel" aria-selected="false" onclick="showGroup(3)"><span class="tnum">3</span> Modbus</button>
<button class="shot-tab" role="tab" id="shottab-4" aria-controls="shotpanel" aria-selected="false" onclick="showGroup(4)"><span class="tnum">4</span> MQTT</button>
<button class="shot-tab" role="tab" id="shottab-5" aria-controls="shotpanel" aria-selected="false" onclick="showGroup(5)"><span class="tnum">5</span> Data tables</button>
</div>
<div class="browser" id="shotpanel" role="tabpanel" aria-labelledby="shottab-1">
<div class="browser-bar">
<div class="browser-dots"><i></i><i></i><i></i></div>
<div class="browser-url">🔒 <b>192.168.1.40</b><span id="shot-url">/settings</span></div>
</div>
<div class="browser-body table-scroll">
<table class="table cfg" data-group="1">
<thead><tr><th>Setting</th><th>Control</th><th>Default</th></tr></thead>
<tbody>
<tr><td>Web Admin Password</td><td>Text — protects the console</td><td><code>(empty)</code></td></tr>
<tr><td>Device Time Zone</td><td>Drop-down, UTC−12:00 → UTC+14:00</td><td><code>UTC+08:00</code></td></tr>
</tbody>
</table>
<table class="table cfg" data-group="2" hidden>
<thead><tr><th>Setting</th><th>Control</th><th>Default</th></tr></thead>
<tbody>
<tr><td>Ethernet DHCP</td><td>Drop-down — DHCP or static</td><td><code>static</code></td></tr>
<tr><td>Ethernet IP</td><td>IP address field</td><td><code>192.168.1.40</code></td></tr>
<tr><td>Ethernet Netmask</td><td>IP address field</td><td><code>255.255.255.0</code></td></tr>
<tr><td>Ethernet Gateway</td><td>IP address field</td><td><code>1.0.0.1</code></td></tr>
</tbody>
</table>
<table class="table cfg" data-group="3" hidden>
<thead><tr><th>Setting</th><th>Control</th><th>Default</th></tr></thead>
<tbody>
<tr><td>Tibbit 05 Baud Rate</td><td>Drop-down, 1200 → 921600</td><td><code>9600</code></td></tr>
<tr><td>Tibbit 05 Parity</td><td>Drop-down — none / even / odd</td><td><code>none</code></td></tr>
<tr><td>Tibbit 05 Data Bits</td><td>Drop-down — 7 or 8 bits</td><td><code>8</code></td></tr>
<tr><td>Poll Interval (seconds)</td><td>Number, 0 – 600</td><td><code>5</code></td></tr>
</tbody>
</table>
<table class="table cfg" data-group="4" hidden>
<thead><tr><th>Setting</th><th>Control</th><th>Default</th></tr></thead>
<tbody>
<tr><td>MQTT Server Host Address/IP</td><td>Text, up to 50 chars — hostname or IP</td><td><code>1.0.0.1</code></td></tr>
<tr><td>MQTT Server Port</td><td>Number</td><td><code>1883</code></td></tr>
<tr><td>MQTT TLS</td><td>Drop-down — off / on</td><td><code>off</code></td></tr>
<tr><td>MQTT TLS Certificate File Path</td><td>File picker on the device's flash</td><td><code>(empty)</code></td></tr>
<tr><td>MQTT Publish Topic Prefix</td><td>Text, up to 240 chars</td><td><code>(empty)</code></td></tr>
<tr><td>MQTT Client ID</td><td>Text, up to 50 chars</td><td><code>Client_ID_1</code></td></tr>
<tr><td>MQTT Username</td><td>Text, up to 50 chars</td><td><code>MQTT_Name_1</code></td></tr>
<tr><td>MQTT Password</td><td>Masked text</td><td><code>Password</code></td></tr>
<tr><td>MQTT Publish Interval (seconds)</td><td>Number, minimum 5</td><td><code>30</code></td></tr>
</tbody>
</table>
<table class="table map" data-group="5" hidden>
<thead><tr><th>Table</th><th>Fields</th><th>Capacity</th></tr></thead>
<tbody>
<tr><td>Devices</td><td>Device ID (1–255), Address (0–65535), Function Code (coil, discrete input, holding register, input register), Multiplier, Name (30 chars)</td><td>30 rows, flash</td></tr>
<tr><td>Register Values</td><td>Name, Value — the latest reading for every tag</td><td>30 rows, live in RAM</td></tr>
<tr><td>Modbus Values</td><td>Timestamp, Name, Value — the historical sample log</td><td>10,000 rows, flash</td></tr>
<tr><td>Log</td><td>Timestamp, message — device events and diagnostics</td><td>200 rows, flash</td></tr>
</tbody>
</table>
</div>
</div>
<p class="shot-caption" id="shot-caption"><b>General.</b> Set the console password and the device time zone — the time zone is what makes the timestamps in the sample log line up with your plant clock.</p>
</div>
</div>
</section>
<!-- Audience -->
<section id="audience" style="background:var(--bg-soft)">
<div class="wrap">
<div class="eyebrow">One page, three stakeholders</div>
<h2>Answers for everyone in the decision.</h2>
<div class="cols" style="margin-top:28px">
<div class="col">
<h3>Controls / Automation Engineer</h3>
<ul>
<li>Read coils, discrete inputs, holding and input registers</li>
<li>Per-tag multiplier — publish engineering units, not raw counts</li>
<li>Independent poll and publish intervals</li>
<li>On-device sample log for verifying a suspect reading</li>
</ul>
</div>
<div class="col">
<h3>IIoT / Cloud Integrator</h3>
<ul>
<li>Standard MQTT client — any broker, any topic tree</li>
<li>TLS with certificate for cloud endpoints</li>
<li>Predictable <code>prefix/tag</code> topics, values as payloads</li>
<li>AppBlocks logic you can extend to JSON or Sparkplug-style payloads</li>
</ul>
</div>
<div class="col">
<h3>Plant / Project Manager</h3>
<ul>
<li>Get existing equipment onto the dashboard without replacing it</li>
<li>No PC, no gateway software licence, no middleware server</li>
<li>Commissioned from a browser in minutes</li>
<li>Application engineer support from Tibbo</li>
</ul>
</div>
</div>
</div>
</section>
<!-- Specs -->
<section id="specs">
<div class="wrap">
<div class="eyebrow">Specifications</div>
<h2>Technical snapshot</h2>
<p class="muted" style="margin-top:-6px">Confirm exact model configuration and certifications for your region with our engineering team before you spec.</p>
<div class="table-scroll" style="margin-top:22px">
<table class="table">
<thead><tr><th>Parameter</th><th>Detail</th></tr></thead>
<tbody>
<tr><td>Platform</td><td>Tibbo TPP2W(G2) programmable device, Zephyr runtime, configured with Tibbo AppBlocks</td></tr>
<tr><td>Function</td><td>Modbus master and MQTT publisher — polls Modbus registers and publishes each value to an MQTT broker</td></tr>
<tr><td>Field bus</td><td>Modbus RTU over RS-485 via Tibbit 05; baud rate, parity, and data bits configurable from the console (default 9600, none, 8)</td></tr>
<tr><td>Function codes</td><td>Read coils (FC1), read discrete inputs (FC2), read holding registers (FC3), read input registers (FC4)</td></tr>
<tr><td>Register map</td><td>Up to 30 tags, each with slave ID (1–255), register address (0–65535), function code, scale multiplier, and 30-character tag name; stored in flash</td></tr>
<tr><td>Polling</td><td>Configurable interval 0–600 s (default 5 s), 1000 ms Modbus response timeout, up to 10 outstanding requests</td></tr>
<tr><td>MQTT</td><td>Broker host and port (default 1883), client ID, username and password, optional TLS with certificate file, 30 s keep-alive, topic prefix up to 240 characters, publish interval ≥ 5 s (default 30 s), QoS 0</td></tr>
<tr><td>Topic format</td><td><code><topic prefix>/<tag name></code>, scaled value as the payload</td></tr>
<tr><td>Data storage</td><td>10,000-record timestamped sample log and 200-record event log in flash; live value table in RAM; SNTP time sync with time-zone setting</td></tr>
<tr><td>Network</td><td>Ethernet — DHCP or static IP, netmask, and gateway; DNS resolver for named brokers</td></tr>
<tr><td>Web console</td><td>Built-in HTTP server on port 80, password protected, 1 s live refresh, settings pages plus editable and viewable data tables</td></tr>
<tr><td>Firmware / logic</td><td>Tibbo AppBlocks project (extensible); this build: Modbus MQTT Gateway, v0.1.19</td></tr>
</tbody>
</table>
</div>
<p class="muted" style="font-size:.82rem;margin-top:14px">Power, environmental ratings, dimensions, and regional certifications depend on the final hardware configuration — see the datasheet for the exact figures for your build. This build exposes Ethernet networking; the TPP2W(G2) platform is also Wi-Fi capable, and Modbus TCP as well as Wi-Fi can be enabled in AppBlocks on request.</p>
<div style="margin-top:18px">
<a href="AppBlocks%20_%20ModbusMQTTGateway.pdf" download="Tibbo-Modbus-MQTT-Gateway-Datasheet.pdf" class="btn btn-primary">↓ Download Datasheet (PDF)</a>
</div>
</div>
</section>
<!-- Final CTA + form -->
<section id="quote" class="cta-final">
<div class="wrap form-grid">
<div>
<div class="eyebrow">Get moving</div>
<h2>Request a quote or a technical call.</h2>
<p class="muted">Tell us which devices you need to read and where the data has to land. An application engineer will come back with pricing, lead time, and a recommended configuration — usually within one business day.</p>
<div class="chips" style="margin-top:18px">
<span class="chip">✓ Quote & lead time</span>
<span class="chip">✓ Config recommendation</span>
<span class="chip">✓ Eval unit availability</span>
</div>
<p class="muted" style="margin-top:22px">Prefer email? <a href="mailto:sales@tibbo.com?subject=Modbus%20MQTT%20Gateway%20enquiry" style="color:var(--brand-2);font-weight:600">sales@tibbo.com</a></p>
</div>
<!-- Static-host friendly. Replace the Formspree ID (or swap action) to receive submissions.
With no backend configured it falls back to opening the visitor's mail client. -->
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<div class="two">
<div class="field"><label for="name">Name</label><input id="name" name="name" required autocomplete="name"></div>
<div class="field"><label for="company">Company</label><input id="company" name="company" required autocomplete="organization"></div>
</div>
<div class="field"><label for="email">Work email</label><input id="email" type="email" name="email" required autocomplete="email"></div>
<div class="field">
<label for="broker">Where should the data land?</label>
<select id="broker" name="broker">
<option>On-premise MQTT broker (Mosquitto, EMQX, …)</option>
<option>Cloud IoT platform (AWS, Azure, Google)</option>
<option>Our own application / dashboard</option>
<option>Not decided yet</option>
</select>
</div>
<div class="field"><label for="app">Application & tag count (optional)</label><textarea id="app" name="application" rows="3" placeholder="e.g. 14 power meters on RS-485, 6 registers each, published every 60 s to Mosquitto"></textarea></div>
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</section>
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<div>© <span id="yr">2026</span> Tibbo Modbus MQTT Gateway · Built on Tibbo TPP2W(G2)</div>
<div><a href="#top">Back to top ↑</a> · <a href="mailto:sales@tibbo.com">Contact sales</a></div>
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if these fail to load, or the visitor prefers reduced motion, it just sits still. -->
<script src="https://cdn.jsdelivr.net/npm/gsap@3.12.5/dist/gsap.min.js" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/gsap@3.12.5/dist/MotionPathPlugin.min.js" crossorigin="anonymous"></script>
<script>
(function(){
var svg = document.getElementById('scnSvg');
if(!svg || !window.gsap || !window.MotionPathPlugin) return;
if(window.matchMedia('(prefers-reduced-motion: reduce)').matches) return;
gsap.registerPlugin(MotionPathPlugin);
var NS = 'http://www.w3.org/2000/svg';
var pkts = document.getElementById('scnPkts');
var read = document.getElementById('scnRead');
var halo = document.getElementById('scnGwHalo');
var devs = svg.querySelectorAll('[data-dev]');
var outs = svg.querySelectorAll('[data-out]');
var links = svg.querySelectorAll('.link');
// A packet is a small dot that rides one of the link paths.
function packet(color, r){
var c = document.createElementNS(NS,'circle');
c.setAttribute('r', r); c.setAttribute('fill', color); c.setAttribute('opacity','0');
pkts.appendChild(c);
return c;
}
var master = gsap.timeline({paused:true, repeat:-1, repeatDelay:.45, defaults:{ease:'none'}});
// Ride `path` from start to end, fading in on departure and out on arrival.
function ride(path, at, dur, color, r){
var el = packet(color, r);
var t = gsap.timeline();
t.set(el, {opacity:0}, 0)
.to(el, {motionPath:{path:path, align:path, alignOrigin:[.5,.5]}, duration:dur}, 0)
.to(el, {opacity:1, duration:.16}, 0)
.to(el, {opacity:0, duration:.2}, dur-.2);
master.add(t, at);
}
// Flash a node's border as data passes through it.
function flash(node, at, tint){