IAMMETER 支持 Modbus/TCP 协议的 Wi-Fi 电能表

Modbus TCP 是工业系统中常用的协议，如 ICS、DCS、SCADA。经过最新的固件升级，IAMMETER 的电能表现在已经支持 Modbus TCP 协议。

这是 Wi-Fi 电能表固件的一次重大升级。

WEM3080T(3 phase energy meter ,Wi-Fi) 和 WEM3080 (single phase energy meter, Wi-Fi) 都将支持 Modbus/TCP 协议。这将使 Wi-Fi 电能表更容易集成到工业系统中（如 ICS、DCS、SCADA 等）。

视频：通过 Modbus TCP（Wi-Fi）将三相电能表集成到 Home Assistant

视频：通过 Modbus TCP 请求三相电能表（Wi-Fi）的数据

下载固件，在 IAMMETER 电能表中使用 Modbus/TCP 功能

寄存器映射

index	Register address(Dec)	Register address(Hex)	register length	Description
1	0	0x0	1	Phase A voltage,unsigned,value=data/100,unit: V
2	1	0x1	1	Phase A current,unsigned,value=data/100,unit: A
3	2	0x2	2	Phase A active power,signed,value=data,unit: W
4	4	0x4	2	Phase A forward energy in pulses ,unsigned, kWh=pulses/800, unit:kWh
5	6	0x6	2	Phase A reverse energy in pulses ,unsigned, kWh=pulses/800, unit:kWh
6	8	0x8	1	Phase A power factor,unsigned,value=data/1000
7	9	0x09	1	model: 1:WEM3080 2:WEM3080T 3:WEM3046T 4:WEM3050T
8	10	0x0a	1	Phase B voltage,unsigned,value=data/100,unit: V
9	11	0x0b	1	Phase B current,unsigned,value=data/100,unit: A
10	12	0x0c	2	Phase B active power,signed,value=data,unit: W
11	14	0x0e	2	Phase B forward energy in pulses ,unsigned, kWh=pulses/800, unit:kWh
12	16	0x10	2	Phase B reverse energy in pulses ,unsigned, kWh=pulses/800, unit:kWh
13	18	0x12	1	Phase B power factor,unsigned,value=data/1000
14	19	0x13	1	PadB 0x00,not used
15	20	0x14	1	Phase C voltage,unsigned,value=data/100,unit: V
16	21	0x15	1	Phase C current,unsigned,value=data/100,unit: A
17	22	0x16	2	Phase C active power,signed,value=data,unit: W
18	24	0x18	2	Phase C forward energy in pulses ,unsigned, kWh=pulses/800, unit:kWh
19	26	0x1a	2	Phase C reverse energy in pulses ,unsigned, kWh=pulses/800, unit:kWh
20	28	0x1c	1	Phase C power factor,unsigned,value=data/1000
21	29	0x1d	1	PadC 0x00,not used
22	30	0x1e	1	frequency, unsigned,value=data/100,unit:Hz
23	31	0x1f	1	padH 0x00,not used
24	32	0x20	2	sum of power，signed，value=data，unit:W
25	34	0x22	2	sum of forward energy in pulses ,unsigned, kWh=pulses/800, unit:kWh
26	36	0x24	2	sum of reverse energy in pulses ,unsigned, kWh=pulses/800, unit:kWh
27	38	0x26	2	Phase A reactive power,signed,value=data,unit: var
28	40	0x28	2	Phase A inductive KVARH ,unsigned, kvarh=pulses/1000, unit:kvarh
29	42	0x2a	2	Phase A capacitive KVARH ,unsigned, kvarh=pulses/1000, unit:kvarh
30	44	0x2c	2	Phase B reactive power,signed,value=data,unit: var
31	46	0x2e	2	Phase B inductive KVARH ,unsigned, kvarh=pulses/1000, unit:kvarh
32	48	0x30	2	Phase B capacitive KVARH ,unsigned, kvarh=pulses/1000, unit:kvarh
33	50	0x32	2	Phase C reactive power,signed,value=data,unit: var
34	52	0x34	2	Phase C inductive KVARH ,unsigned, kvarh=pulses/1000, unit:kvarh
35	54	0x36	2	Phase C capacitive KVARH ,unsigned, kvarh=pulses/1000, unit:kvarh
36	56	0x38	8	serial number of the device
37	64	0x40	1	runtime in second