● Other F145 (SEND) / F146 (RECV) instructions cannot be executed at the same time to acommunication port during master communication. Confirm that the “SEND/RECV instructionexecution flag” is ON, and execute the instructions.● F145 (SEND) / F146 (RECV) instruction cannot be executed at the same time to a port duringslave communication.● The processing of F145 (SEND) / F146 (RECV) instruction is handled during the execution ofED instruction. Check the SEND/RECV instruction execution end flag to confirm the completionof transmission / reception. Turned ON in the case of an error, and an error code is stored inDT90123-DT90125. (Example: !61 Data error = H61)For details of error codes, refer to "10.5.1 List of MEWTOCOL-COM Communication ErrorCodes".● In the case of COM0 port, specify “HF” as a COM port No. for an operand of the F145 (SEND) /F146 (RECV) instruction.■ Special relays / special data registersCOM0 COM1 COM2SEND/RECV instruction execution flag R9134 R913C (R9044) R9144 (R904A)SEND/RECV instruction execution endflag R9135 R913D (R9045) R9145 (R904B)SEND/RECV instruction end code DT90123 DT90124 DT90125(Note 1) The Nos. in brackets indicate devices that are compatible with existing FP-X / FPsigma.5.3 MEWTOCOL-COM Master Communication (SEND)5-12 WUME-FP0HCOM-06