Supplemental Settings - Mitsubishi Electric QJ71LP21 Reference Manual

Q corresponding melsecnet/h network system
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5 PARAMETER SETTINGS

5.1.4 Supplemental settings

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The supplemental settings are included in common parameter settings to provide more
precise usage. Keep the default settings for normal use.
Common parameters supplemental are only for remote master stations.
1)
2)
3)
4)
5)
6)
[Setting items]
1)
Constant scan
The constant scan function is used to maintain the link scan time
constant.
If the response time is long for the transient transmission function,
setting the constant link scan function may reduce the response time.
Set a value in the following range to use a constant scan time:
2)
Maximum No. of return to system stations in 1 scan (see Section 3.2.2)
Set the number of faulty stations that can return to the network in one
link scan.
• Valid number of stations
• Default
Since link scan time may be extended when a station error occurs if
the number of stations has been increased in the settings, carefully
change the settings.
Setting time
Blank
1 to 500 ms
: 1 to 64 stations
: 2 stations
MELSEC-Q
Constant scan
Not executed (default)
Executed using the set time
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