In Case Of Communication Error (Rs-422) - Panasonic FP-XH M8N16PD User Manual

20.2.9 In Case of Communication Error (RS-422)

 Object
Product no. Communication Interface
AFPX-COM3 RS-485 / RS-422 × 1 channel
 Situation
Connections and settings may be incorrect.
PROCEDURE
1. Confirm the setting of the system register.
Verify if the setting corresponding to the communication port number assigned is
correct. When selecting the inter-PLC link, verify if the connection area is
repeated.
2. Verify if the terminal station is connected properly.
3. Verify if the transmission cable is securely connected to the data send
terminal and data receive terminal.
4. Verify if the transmission cable is within the specifications.
20.2 What to Do If an Error Occurs
Communication Port No. Assigned
Main Cassette
Unit mounting part 1
COM0 COM1 COM2
●
Cassette
mounting part 2
COM3 COM4
●
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