DEMA CPM 311, User Manual

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Settings » Automatic Control Settings » Latch Settings
A.
Latch Settings
window is accessed by clicking the button with the same title in the
Automatic
Control Settings window.
B. Save to Buffer button sends the parameter changes to the DigiConnect buffer. When changes are
to be applied to CPM 311 unit,
Save to Device
button must be utilized, which is located under the
Buffer
tab.
1.
Latch Settings
window gives the users the option to latch:
• Any of the programmable relays directly, or
• The trip or programmable relays indirectly via appointed functions with latch option enabled.
By default, the trip relay and the programmable relays are set to remain closed only for the pulse
duration.
• To leave this condition as it is, the latch settings must be left as already set by default, as
shown on the picture above.
• If the trip relay or any programmable relays are desired to be latched, the appropriate
functions must be set to
Active
.
Note that, if any latch settings are done, latching of the related relays will be active until CPM 311 is
reset. □