Mitsubishi Electric MELSEC-Q Series User Manual page 208

(8) Dedicated instructions
The following link special relays (SBs) and link special registers (SWs) are used for
dedicated instructions. (Refer to Chapter 10.)
(a)
Number
(b)
Number
REMFR/REMTO instruction (Refer to Section 10.8, Refer to Section 10.9.)
1) Set the following registers before executing the REMFR/REMTO instructions:
• Number of resends (REMFR/REMTO) (SW001A)
• Response wait timer (REMFR/REMTO) (SW001B)
2) When the REMFR/REMTO instruction is executed, the execution status is
stored in Execution status (REMFR/REMTO) (SW0080 to SW009F).
Description
–
Common link dedicated instructions (except the REMFR and REMTO
instructions)
Processing results of link dedicated instructions can be checked using
Send/receive instruction (1) processing result (SW0030) for channel 1 and
Send/receive instruction (2) processing result (SW0031) for channel 2.
Description
–
Number
SW001A Number of resends (REMFR/REMTO)
SW001B Response wait timer (REMFR/REMTO)
SW0080 to
Execution status (REMFR/REMTO)
SW009F
Number
SW0030 Send/receive instruction (1) processing result
SW0031 Send/receive instruction (2) processing result
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Chapter 11 PROGRAMMING
Description
Description