Manual

Gateway component for EtherNet_IP
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5.4 Configuration of Modbus TCP
You can also use these gateway components as a protocol converter
for Modbus TCP.
Functions
The following Modbus functions are implemented:
Function code Description
0x01 read coils
0x02 read discrete inputs
0x05 write single coil
0x0f write multiple coils
0x03 read holding registers
0x04 read input registers
0x06 write single register
0x10 write multiple registers
0x16 mask write register
0x17 read/write multiple registers
Register
The following registers are implemented in the gateway component:
Address area Function Access
1-240 Input register, receives values of the partner
gateway component.
Read only
1025-1264 Input register, sends values to the partner
gateway component.
Read/write
40001-40240 Input register, compatible with Siemens con-
trollers
Read only
30001-30240 Output register, compatible with Siemens con-
trollers
Read/write
4097 Status of the partner gateway component Read only
0x01 Hardware is initialized and checked
0x02 Connection to the partner gateway
component is checked
0x03 The opposite side is detected
0x04 Interface to the partner gateway com-
ponent functions.
Configuration