Mitsubishi Electric MELSEC iQ-R-R00CPU - Page 392

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23 LATCH FUNCTION
23.1 Latch with Battery
Setting the latch interval
The user can specify the operation which should be performed at a latch interval ( Page 392 Timing of the latch
processing) within the effective range of the latch interval setting
*1
.
*1 The effective range of the latch interval means the range of devices which is enabled on the "The Valid Range of Latch Interval Setting"
window. For other ranges (ranges of devices which are not enabled on the "The Valid Range of Latch Interval Setting" window), this
setting is not applied, the END processing is accelerated, and latching is performed in real time.
[CPU Parameter]  [Memory/Device Setting]  [Device Latch Interval Setting]
Operating procedure
Displayed items
"The Valid Range of Latch Interval Setting" window
1. On the "Valid Range Confirmation of Latch
Interval Setting" window, check the effective
range for the latch timing setting. Specify the
latch interval operation within the effective
range.
"Device Latch Interval Setting" window
2. In "Latch Interval Operation Setting", select the
timing of the latch processing. When "Time
Setting" is selected, specify the time interval of
latching.
Item Description Setting range Default
Latch Interval Operation Setting Sets the timing of the latch processing. • Per Scan
• Time Setting
Time Setting
Interval Setting at Time Setting Sets the time interval of latching (when "Time Setting" is
selected).
1 to 2000ms (in units of 1ms) 10ms
Valid Range Confirmation of Latch
Interval Setting
Shows the effective range for the latch interval setting. 