Specifications

[Node][10][start address][No. of Double Registers][Data

length in bytes][CRC(2 bytes)]

e.g. To set Node 23h System Voltage and System Current

together:-

[23h][10h][0000h][0004h(4, 2 byte regs)][08h(2, 4 byte

regs)][CRC(2 bytes)]

Modbus Add. Register Address/Name Mode

40001 (0x00) SYSTEM VOLTAGE (R/W)

40003 (0x02) SYSTEM CURRENT (R/W)

40005 (0x04) SYSTEM TYPE (R/W)

40007 (0x06) SYSTEM POWER (RO)

40009 (0x08) DEMAND PERIOD (R/W)

40011 (0x0A) DEMAND TIMER (RO)

40013 (0x0C) RELAY DIVISOR (R/W)

40015 (0x0E) RELAY PULSEWIDTH (R/W)

40017 (0x10) RESET ENERGY (WO)

40019 (0x12) RESET DEMANDS (WO)

40021 (0x14) CALIBRATE INPUT (WO)

40023 (0x16) SET NODE ADDRESS (WO)

40025 (0x18) Future use (R/W)

40027 (0x1A) Future use (R/W)

40029 (0x1C) Future use (R/W)

40031 (0x1E) Future use (R/W)

40033 (0x20) Future use (R/W)

40035 (0x22) Future use (R/W)

40037 (0x24) Future use (R/W)

40039 (0x26) Future use (R/W)

40041 (0x28) Future use (R/W)

40043 (0x2A) RELAY ASSIGNMENT (R/W)

40045 (0x2C) RESET EEPROM DATA (WO)

40047 (0x2E) I/P V1 GAIN FACTOR (R/W)