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Hugo en-US Copyright © 2003 - 2026 Leonardo Rizzi Tue, 21 Jul 2026 06:21:15 +0200 EPEVER TracerAN - Modbus https://www.deepreflect.net/2026/06/19/epever-traceran-modbus/ Fri, 19 Jun 2026 00:24:33 +0000 https://www.deepreflect.net/?p=1899 <p>I&rsquo;m experimenting with solar power I got a EPEVER TracerAN here some notes to read the power produced:</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-gdscript3" data-lang="gdscript3"><span style="display:flex;"><span>root<span style="color:#960050;background-color:#1e0010">@</span>BeagleBone:<span style="color:#f92672">/</span>opt<span style="color:#f92672">/</span>modpoll<span style="color:#f92672">/</span>arm<span style="color:#f92672">-</span>linux<span style="color:#f92672">-</span>gnueabihf<span style="color:#75715e"># ./modpoll -r 1 -c 1 -b 115200 -r 0x331a -p none -1 -t3 -0 /dev/ttyUSB0</span> </span></span><span style="display:flex;"><span>modpoll <span style="color:#ae81ff">3.16</span> <span style="color:#f92672">-</span> FieldTalk(tm) Modbus(R) Master Simulator </span></span><span style="display:flex;"><span>Copyright (c) <span style="color:#ae81ff">2002</span><span style="color:#f92672">-</span><span style="color:#ae81ff">2025</span> proconX Pty Ltd </span></span><span style="display:flex;"><span>Visit https:<span style="color:#f92672">//</span>www<span style="color:#f92672">.</span>modbusdriver<span style="color:#f92672">.</span>com <span style="color:#66d9ef">for</span> Modbus libraries <span style="color:#f92672">and</span> tools<span style="color:#f92672">.</span> </span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span>Protocol configuration: Modbus RTU, FC4 </span></span><span style="display:flex;"><span>Slave configuration<span style="color:#f92672">...</span>: address <span style="color:#f92672">=</span> <span style="color:#ae81ff">1</span>, start reference <span style="color:#f92672">=</span> <span style="color:#ae81ff">13082</span> (PDU), count <span style="color:#f92672">=</span> <span style="color:#ae81ff">1</span> </span></span><span style="display:flex;"><span>Communication<span style="color:#f92672">.........</span>: <span style="color:#f92672">/</span>dev<span style="color:#f92672">/</span>ttyUSB0, <span style="color:#ae81ff">115200</span>, <span style="color:#ae81ff">8</span>, <span style="color:#ae81ff">1</span>, none, t<span style="color:#f92672">/</span>o <span style="color:#ae81ff">1.00</span> s, poll rate <span style="color:#ae81ff">1000</span> ms </span></span><span style="display:flex;"><span>Data type<span style="color:#f92672">.............</span>: <span style="color:#ae81ff">16</span><span style="color:#f92672">-</span>bit register, input register table </span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span><span style="color:#f92672">--</span> Polling slave<span style="color:#f92672">...</span> </span></span><span style="display:flex;"><span>[<span style="color:#ae81ff">13082</span>]: <span style="color:#ae81ff">1291</span> </span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span>root<span style="color:#960050;background-color:#1e0010">@</span>BeagleBone:<span style="color:#f92672">/</span>opt<span style="color:#f92672">/</span>modpoll<span style="color:#f92672">/</span>arm<span style="color:#f92672">-</span>linux<span style="color:#f92672">-</span>gnueabihf<span style="color:#75715e"># ./modpoll -r 1 -c 1 -b 115200 -r 0x200c -p none -1 -t1 -0 /dev/ttyUSB0</span> </span></span><span style="display:flex;"><span>modpoll <span style="color:#ae81ff">3.16</span> <span style="color:#f92672">-</span> FieldTalk(tm) Modbus(R) Master Simulator </span></span><span style="display:flex;"><span>Copyright (c) <span style="color:#ae81ff">2002</span><span style="color:#f92672">-</span><span style="color:#ae81ff">2025</span> proconX Pty Ltd </span></span><span style="display:flex;"><span>Visit https:<span style="color:#f92672">//</span>www<span style="color:#f92672">.</span>modbusdriver<span style="color:#f92672">.</span>com <span style="color:#66d9ef">for</span> Modbus libraries <span style="color:#f92672">and</span> tools<span style="color:#f92672">.</span> </span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span>Protocol configuration: Modbus RTU, FC2 </span></span><span style="display:flex;"><span>Slave configuration<span style="color:#f92672">...</span>: address <span style="color:#f92672">=</span> <span style="color:#ae81ff">1</span>, start reference <span style="color:#f92672">=</span> <span style="color:#ae81ff">8204</span> (PDU), count <span style="color:#f92672">=</span> <span style="color:#ae81ff">1</span> </span></span><span style="display:flex;"><span>Communication<span style="color:#f92672">.........</span>: <span style="color:#f92672">/</span>dev<span style="color:#f92672">/</span>ttyUSB0, <span style="color:#ae81ff">115200</span>, <span style="color:#ae81ff">8</span>, <span style="color:#ae81ff">1</span>, none, t<span style="color:#f92672">/</span>o <span style="color:#ae81ff">1.00</span> s, poll rate <span style="color:#ae81ff">1000</span> ms </span></span><span style="display:flex;"><span>Data type<span style="color:#f92672">.............</span>: discrete input </span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span><span style="color:#f92672">--</span> Polling slave<span style="color:#f92672">...</span> </span></span><span style="display:flex;"><span>[<span style="color:#ae81ff">8204</span>]: <span style="color:#ae81ff">0</span> </span></span></code></pre></div> I’m experimenting with solar power I got a EPEVER TracerAN here some notes to read the power produced:

root@BeagleBone:/opt/modpoll/arm-linux-gnueabihf# ./modpoll -r 1 -c 1 -b 115200 -r 0x331a -p none -1 -t3 -0 /dev/ttyUSB0
modpoll 3.16 - FieldTalk(tm) Modbus(R) Master Simulator
Copyright (c) 2002-2025 proconX Pty Ltd
Visit https://www.modbusdriver.com for Modbus libraries and tools.

Protocol configuration: Modbus RTU, FC4
Slave configuration...: address = 1, start reference = 13082 (PDU), count = 1
Communication.........: /dev/ttyUSB0, 115200, 8, 1, none, t/o 1.00 s, poll rate 1000 ms
Data type.............: 16-bit register, input register table

-- Polling slave...
[13082]: 1291

root@BeagleBone:/opt/modpoll/arm-linux-gnueabihf# ./modpoll -r 1 -c 1 -b 115200 -r 0x200c -p none -1 -t1 -0 /dev/ttyUSB0
modpoll 3.16 - FieldTalk(tm) Modbus(R) Master Simulator
Copyright (c) 2002-2025 proconX Pty Ltd
Visit https://www.modbusdriver.com for Modbus libraries and tools.

Protocol configuration: Modbus RTU, FC2
Slave configuration...: address = 1, start reference = 8204 (PDU), count = 1
Communication.........: /dev/ttyUSB0, 115200, 8, 1, none, t/o 1.00 s, poll rate 1000 ms
Data type.............: discrete input

-- Polling slave...
[8204]: 0
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