Elements of the DUT (identifiers):
Operation mode:
0: MEWTOCOL-COM
1: MEWTOCOL-COM7
2: MODBUS-RTU
8: Program controlled communication
9: PLC link (only station number can be changed)
Identification of communication cassettes:
0: No communication cassette
232: RS232C
422: RS422
485: RS485
Reception error code:
Bit 0: Receive buffer overrun
Bit 1: Stop bit undefined (frame error)
Bit 2: Parity inconsistency
Bit 8: Receive buffer overflow
Bit 9: Receive buffer FULL
Times of detection of reception errors
Setting error code:
Bit 0: Mode setting/change error (unavailable mode selected)
Bit 8: Communication parameter setting error
Bit 9: Send data amount error
Parameter number that specify out of range setting: 1–12
Modem initialization status:
16#0000: No processing
16#0100: Initialization in progress
16#0200: Initialization succeeded
16#0300: Initialization failed