Mitsubishi Electric MELSEC-Q Series User Manual page 386

• G(P).RIWT instruction
OT + LS × [BC + {(number of write points + 16)  16}
+ (WT × RT × 1000)
OT:
LS:
BC:
Transmission
speed
BC
SM:
WT:
RT:
When the CPU module is a Q06HCPU, transmission speed is 10Mbps, link scan time is 5ms, the number
Ex.
of write points is 20 words (buffer memory in CC-Link), monitoring time is 10 seconds, and the retry is not
set
OT + LS × [BC + {(number of write points + 16)  16}
= 0.5 + 5 × [12 + {(20 + 16)  16}
= 0.5 + 5 × [12 + {3 × 1.067}] + 0
= 76.505
= 76.5ms
*1 The decimal point is rounded up.
*2 Time that occurs when a dedicated instruction is retried
384
*2
ms
Processing time of QCPU dedicated instructions
Basic model QCPU, Q02CPU: 1ms
QCPU (excluding a Basic model QCPU and Q02CPU): 0.5ms
Link scan time ( Page 366, Appendix 4.1)
Constant
156kbps
6
Master station sequence scan time (Apply "0" when data is written to buffer memory in CC-Link.)
Monitoring time set in SW0009 (
Number of retries set in SW000B (
*1
× 1.067] + SM
625kbps 2.5Mbps
7 9
Page 351, Appendix 3.2)
Page 351, Appendix 3.2)
*1
× 1.067] + SM + (WT × RT × 1000)
*1
× 1.067] + 0 + (10 × 0 × 1000)
5Mbps 10Mbps
11 12