RaritanEMXModbusInterface

Contents

Introduction2

SupportedModbusFunctions.......................2

FeatureSet.................................2

RegisterLayout3

Conventions.................................3

HoldingRegisterMap...........................3

BasicEMXParameters..........................3

PeripheralSensors.............................4

1

Introduction

TheEMXdevicecanactasaModbus/TCPserver.TheModbusservicecanbe

enabledintheNetworkServicessectionoftheDeviceSettingsmenuintheweb

UI.

SupportedModbusFunctions

ThefollowingModbusfunctioncodesaresupported:

?GeneralCommands:

–ReadDeviceIdenti?cation(0x2b)

?16-bitWordAccess:

–ReadHoldingRegisters(0x03)

–WriteSingleRegister(0x06)

–WriteMultipleRegisters(0x10)

FeatureSet

ThefollowingfeaturesoftheEMXareavailableviaModbus:

?Peripheralsensorreadings

?Peripheralactuatorcontrol

2

RegisterLayout

Conventions

?Allregisteraddressesarehexadecimal,indicatedbya0xpre?x.

?Datatypeswhichspanmultiple16-bitregistersarebig-endian,i.e.the

lowestregisteraddresscontainsthemostsigni?cantbits.

?Thefollowingdatatypesaresupportedforholdingregisters: