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DC Power Energy meter

Bourns · SSD-100A-R · SSD-100A-R

DC Power Energy meter
Manufacturer
Bourns
Product
SSD-100A-R
Model
SSD-100A-R
Protocol
Modbus
Updated
2025-07-22
Driver ID
324

Notes

100A shunt with power meter
Modbus communication, isolated from supply.

Connect:
ezeio D0 -> 485B (pin 2)
ezeio D1 -> 485A (pin 1)
ezeio 0V -> GND (pin 3)
ezeio +V -> +VDC (pin 4)

Default settings is 19200bps, address 1
Write to holding register 1 to set new address
Write to holding register 4 to set speed
0 = 9600, 2=19200, 4=57600

NOTE: must write value 15 (0x0F) to register 0 to save/apply changes

Model ending with -R is RS485. -C is CAN (not compatible).
Need cables Digikey WM25349-ND and WM16367-ND

Registers 5

#NameUnitDescription
1CurrentA
2VoltageV
3PowerkW
4EnergykWh
5Temperature°C