4X Registers (M550/M560)

The registers are listed with their Modbus addresses.
The data held at these addresses are Read-Only, Write-Only or Read+Write as indicated below.
4X registers are read using function 03h and written using function 10h.
A sample write packet will look like this:-
[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 Address

Modbus Address

Register Address/Name

Mode

40001

(0x0000)

SYSTEM VOLTAGE

(R/W)

40003

(0x0002)

SYSTEM CURRENT

(R/W)

40005

(0x0004)

SYSTEM TYPE

(RO)

40007

(0x0006)

SYSTEM POWER

(RO)

40009

(0x0008)

DEMAND PERIOD

(R/W)

40011

(0x000A)

DEMAND STATUS

(RO)

40013

(0x000C)

Factoryuse

(ILLEGAL)

40015

(0x000E)

Factoryuse

(ILLEGAL)

40017

(0x0010)

RESET ALL ENERGY REGISTERS

(WO)

40019

(0x0012)

RESET DEMANDS

(WO)

40021

(0x0014)

CALIBRATE INPUT

(WO)

40023

(0x0016)

SET NODE ADDRESS

(WO)

40025

(0x0018)

Analogue o/p1 assignment (M560)

(R/W)

40027

(0x001A)

Analogue o/p1 nominal (M560)

(R/W)

40029

(0x001C)

Analogue o/p1 zero (M560)

(R/W)

40031

(0x001E)

Analogue o/p2 assignment (M560)

(R/W)

40033

(0x0020)

Analogue o/p2 nominal (M560)

(R/W)

40035

(0x0022)

Analogue o/p2 zero (M560)

(R/W)

40037

(0x0024)

Analogue o/p3 assignment (M560)

(R/W)

40039

(0x0026)

Analogue o/p3 nominal (M560)

(R/W)

40041

(0x0028)

Analogue o/p3 zero (M560)

(R/W)

40043

(0x002A)

RELAY ASSIGNMENT

(R/W)

40045

(0x002C)

RELAY DIVISOR

(R/W)

40047

(0x002E)

RELAY PULSE WIDTH

(R/W)

40049

(0x0030)

RESET FLASH/EEPROM DATA

(WO)

40051

(0x0032)

I/P V1 GAIN FACTOR

(R/W)

40053

(0x0034)

I/P V2 GAIN FACTOR

(R/W)

40055

(0x0036)

I/P V3 GAIN FACTOR

(R/W)

40057

(0x0038)

I/P I1 GAIN FACTOR

(R/W)

40059

(0x003A)

I/P I2 GAIN FACTOR

(R/W)

40061

(0x003C)

I/P I3 GAIN FACTOR

(R/W)

40063

(0x003E)

Factoryuse

(ILLEGAL)

40065

(0x0040)

Factoryuse

(ILLEGAL)

40067

(0x0042)

Factoryuse

(ILLEGAL)

40069

(0x0044)

Factoryuse

(ILLEGAL)

40071

(0x0046)

SET PASSCODE

(WO)

40073

(0x0048)

CALIBRATION PASSCODE

(WO)

40075

(0x004A)

DtoA PASSCODE(M560)

(WO)

40077

(0x004C)

DtoA1 OVERRIDE(M560)

(WO)

40079

(0x004E)

DtoA2 OVERRIDE(M560)

(WO)

40081

(0x0050)

DtoA3 OVERRIDE(M560)

(WO)

40083

(0x0052)

RESET Import kW.h Register

(WO)

40085

(0x0054)

RESET Export kW.h Register

(WO)

40087

(0x0056)

RESET Import kVAr.h Register

(WO)

40089

(0x0058)

RESET Export kVAr.h Register

(WO)

40091

(0x005A)

RESET kVA.h Register

(WO)

40093

(0x005C)

RESET Import A.h Register

(WO)

40095

(0x005E)

Future use

(R/W)

40097

(0x0060)

Future use

(R/W)

40099

(0x0062)

Future use

(R/W)

40101

(0x0064)

LOCK ACIA SETTINGS

(WO)