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APPENDICES
Appendix 2 Function Upgrade of the QJ71MT91
APPX
Appendix 3 Processing Time
APPX - 2
The QJ71MT91 version has been upgraded with a new function added.
The new function and the supported version are shown below.
New function
Redundant system function
This section explains the processing time of the QJ71MT91 by function.
The processing time of the QJ71MT91 may become longer than that calculated in this
section depending on the network load factor (line congestion), number of TCP
connections used simultaneously, and GX Developer connection existence.
Refer to the processing time calculated by the expression in this section when having
the QJ71MT91 communicate with one target device using an already established TCP
connection.
(1) Master function performance
(a) Automatic communication function performance
1) Automatic communication function communication time
[Unit: ms]
The automatic communication function communication time is the time
from when the repeat interval timer expires until the repeat interval
timer is started again after completion of communication with the
slave.
Tac
7 + Ts
2) Calculation items
Setting Item
Tac
Automatic communication function communication time
Ts
Target slave device processing time
Supported version
Function version D or later
Description
MELSEC-Q
Unit
ms
ms
APPX - 2
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