Mitsubishi Electric QJ71MT91 User Manual page 289

APPENDICES
APPX - 5
(2) Slave function performance
1) Request message processing time [Unit: ms]
The request message processing time is the time from when the
QJ71MT91 receives a request message from the master until it sends
a response message after completion of processing.
Tsl
2) Calculation items
Setting Item
Tsl Request message processing time
St Local station scan time
Any of the following values is applied depending on the
function code and assignment status.
Function code
n1
Any of the following values is applied depending on the
function code and assignment status.
Function code
n2
5 + 7 × n1 + St × n2
Description
When programmable
controller CPU device
is assigned
01 1
02 1
03 1
04 1
05 1
06 1
15 1
16 1
20 1
21 1
22 2
23 2
When programmable
controller CPU device
is assigned
Normal Worst
case case
01 1
02 1
03 1
04 1
05 1
06 1
15 1
16 1
20 1
21 1
22 2
23 2
MELSEC-Q
When buffer memory
is assigned
0
0
0
0
0
0
0
0
0
0
0
0
When buffer memory
is assigned
2 0
2 0
2 0
2 0
2 0
2 0
2 0
2 0
2 0
2 0
4 0
4 0
Unit
ms
ms
APPX - 5