Comtrol DeviceMaster EtherNet/IP-Modbus EIP-MOD User Manual page 149

| Vendor Specific Read/Write Holding Registers (73 Hex)
Parameter
startRdAddress INT (16 bit WORD) 0 to FFFF hex Start read holding register address base 0
numRdRegs
startWrAddress INT (16 bit WORD) 0 to FFFF hex Start write holding register address base 0
numWrRegs
writeData
Parameter
readData
DeviceMaster EIP-MOD User Guide: 2000664 Rev. A
Data Type
INT (16 bit WORD) 0 to 125
INT (16 bit WORD) 0 to 121
INT array 0 to FFFF hex Data to write
Data Type
INT array
Range
Number of registers to read
Number of registers to write
Range Description
0 to FFFF hex Data that was read
Chapter 10. PLC Programming for Modbus Object (44 Hex) - 149
Description