Comtrol DeviceMaster EtherNet/IP-Modbus EIP-MOD User Manual page 128

| Read Discrete Inputs Service (4B Hex)
Parameter
Class
Attribute
Source Element
Source Length
Destination
Parameter Data Type
startAddress INT (16 bit WORD) 0 to FFFF hex
numInputs INT (16 bit WORD) 1 to 2000 (7D0 hex)
Parameter Data Type
SINT array
discreteData
(8 bit BYTEs)
128 - Chapter 10. PLC Programming for Modbus Object (44 Hex)
Value
44 Hex
0
RdDiscreteInputsReqData
4
RdDiscreteInputsRespData
Range
Range
0 to FF hex
Modbus Object
Not used
Tag of structure type RdDiscreteInputsRequest
Length in bytes of RdDiscreteInputsReqData
Tag of structure type RdDiscreteInputsResponse
Starting address base 0
Number of inputs represented by a single bit.
Input data with each input being represented by a single bit.
Description
Description
Description
DeviceMaster EIP-MOD User Guide: 2000664 Rev. A