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spark_abacus [2017/01/23 18:20] – add SDM120 kingkevin | spark_abacus [2017/01/23 19:27] – [Eastron SDM120-Modbus] kingkevin |
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The [[http://www.eastrongroup.com/|Eastron]] [[http://eastrongroupco.hk02.057321.com/productsview/14.html|SDM120-Modbus]] is a slim 1-phase 2-wire electricity meter. | The [[http://www.eastrongroup.com/|Eastron]] [[http://eastrongroupco.hk02.057321.com/productsview/14.html|SDM120-Modbus]] is a slim 1-phase 2-wire electricity meter. |
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| {{:spark_abacus:sdm120-02.jpg?0x200|SDM120 front}} |
| {{:spark_abacus:sdm120-01.jpg?0x200|SDM120 side}} |
| {{:spark_abacus:sdm120-03.jpg?0x200|SDM120 board back}} |
| {{:spark_abacus:sdm120-04.jpg?0x200|SDM120 board side}} |
| {{:spark_abacus:sdm120-05.jpg?0x200|SDM120 board side}} |
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Be aware as numerous SDM120 models exist, combining following options: | Be aware as numerous SDM120 models exist, combining following options: |
The [[http://eastrongroupco.hk02.057321.com/data/uploads/Eastron_SDM120-Modbus_protocol_V2_3_(1).pdf|corresponding Modbus document]] ({{:spark_abacus:sdm120-modbus_protocol_v2.1.pdf |older v2.1}}) lists the registers containing the measurements (input registers) and configuration (holding registers). | The [[http://eastrongroupco.hk02.057321.com/data/uploads/Eastron_SDM120-Modbus_protocol_V2_3_(1).pdf|corresponding Modbus document]] ({{:spark_abacus:sdm120-modbus_protocol_v2.1.pdf |older v2.1}}) lists the registers containing the measurements (input registers) and configuration (holding registers). |
This document also explains the Modbus protocol, but I rather recommend to read the one for the [[http://eastrongroupco.hk02.057321.com/data/uploads/Eastron_SDM630MV_CT_protocol_V1_0_.pdf|SDM630]] since it contains more information, most importantly the timing between messages. | This document also explains the Modbus protocol, but I rather recommend to read the one for the [[http://eastrongroupco.hk02.057321.com/data/uploads/Eastron_SDM630MV_CT_protocol_V1_0_.pdf|SDM630]] since it contains more information, most importantly the timing between messages. |
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====== EPS8266 ====== | ====== EPS8266 ====== |