The Function block Modbus TCP MTCP_CP2E_Server is dedicated to CP2E PLC.
The FB Modbus TCP server provides some read/write features in accordance with the specifications defined by the Modbus organization.
Restrictions :
- The FB MTCP_CP2E_Server_S1, S2 and S3 support up to 3 clients.
- The FB MTCP_CP2E_Server is intended to facilitate data exchange not related to the control or the safety of machine.
Supported command list
Code | Function | Name in MODBUS |
0x01 | ***** NOT SUPPORTED ****** | Read Coils |
0x02 | ***** NOT SUPPORTED ****** | Read Discrete Inputs |
0x03 | I/O memory area (DM) Read Multiple Registers | Read Holding Registers |
0x04 | I/O memory area (CIO) Read Multiple Registers | Read Input Registers |
0x05 | I/O memory area Write Single Coil (CIO) | Write Single Coil |
0x06 | I/O memory area (DM) Write Single Register | Write Single Register |
0x08 | Echo back test | Diagnostic |
0x0F | ***** NOT SUPPORTED ****** | Write Multiple Coils |
0x10 | I/O memory area (DM) Write Multiple Registers | Write Multiple Registers |
0x17 | Read Write Multiple Registers | Read Write Registers |
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