Supported Functions - Emerson Rosemount Xstream Series Instruction Manual

X-STREAM
9-2

Supported Functions

Modbus Description
ReadCoils
ReadDiscreteInputs
ReadHoldingRegisters
ReadInputRegisters
WriteSingleCoil
WriteSingleRegister
Diagnostic
WriteMultipleCoils
WriteMultipleRegisters
EncapsulatedInterfaceTransport
1)
Registers ranges 8000 and 9000 are Daniel/Enron long word or floating point registers.
To calculate the related Modicon registers use the following table:
Daniel/Enron
8001 - 8499
9001 - 9999
or the following pages for comparisons of all Daniel/Enron and Modicon registers.
9-2
9-2 Modbus - Supported Functions
Function Code
decimal (hex)
01
02
03
04
05
06
08
15
16
43
Modicon
equal 5001 - 5999
equal 6001 - 7999
Remark
(0x01) for registers of 2000
(0x02) for registers of 1000
(0x03) for registers of 3000, 8000, 9000
(0x04) for registers of 4000, 8000, 9000
(0x05) for registers of 2000
(0x06) for registers of 3000
(0x08) sub function "00 = Return Query Data" only
(0x0F) for registers of 2000
(0x10) for registers of 3000, 8000, 9000
(0x28) sub function "0x60" and "0x81" only
(to be used for configuration file transfer)
Data type
long word
floating point
Instruction Manual
1
Emerson Process Management GmbH & Co. OHG
HASAxE-IM-HS
05/2006