App - 3 App - 3
MELSEC-Q
APPENDICES
(b) Dedicated instruction performance (MBRW/MBREQ
instruction)
1) Dedicated instruction processing time [Unit: ms]
The dedicated instruction processing time is the time from when the
dedicated instruction is started until the completed device turns on.
Trc 7 + St + (St or Ts, whichever is greater)
2) Calculation items
Setting Item
Description
Unit
Trc
Dedicated instruction processing time
ms
St
Local station scan time
ms
Ts
Message processing time at destination slave device
ms