4-15
IM 04L51B01-01EN
Using Modbus Functions (Communicating with Modbus devices)
4
Coil
Type GX/GP Register
Number Data Type
I/O channel I/O data 00001 to 00500 Bit string
Status information 00501 to 01000
Communication
channel
Communication data 01001 to 01500
Status information 01501 to 02000
Internal switch 02001 to 02100
Client/Mastre device
ReadWrite
Input Relay
Type GX/GP Register
Number Data Type
I/O channel I/O data 100001 to 100500 Bit string
Status information 100501 to 101000
Math channel Math data 101001 to 101200
Status information 101501 to 101700
Client/Master device
Read
4.5 Modbus Function and Register Assignments