User Manual
Modbus TCP/EtherNet IP Gateway
GT200-MT-EI
WWW.SSTCOMM.COM
21
Memory mapping bit offset and byte-swap.
Modbus register starting address: the starting address of the register/switching value/coil in Modbus salve
device. The range of the parameter value is 0 to 65535.
Note:
This item of SST-EE-CFG indicates protocol address. When users input PLC address, it will pop up the
dialog box below. After clicking OK, the PLC address users input will be converted into the protocol address.
Here is the example of PLC address and corresponding protocol address.
Command
PLC address examples
Corresponding protocol address
Coil Status
00001
~
00010
00000
~
00009
Input Status
10001
~
10010
00000
~
00009
Holding Register
40001
~
40010
00000
~
00009
Input Register
30001
~
30010
00000
~
00009