27
JMNC Operating Instructions
6 Setting the Rotational Speed Monitoring Device JMNC
After expiration of the set run-up time, the rotational
monitoring device detects "underspeed", because
the switching threshold was set to its maximum val-
ue
The green LED (
5
) extinguishes.
3
Stop
Measure the time, and switch off the voltage sup-
ply.
The output relay (
16
) drops.
The LEDs are off.
4
Compare the measured time with the set time for
the start-up delay.
5
For higher discrepancies repeat the settings 1 to
4.
Item
Description
Indication/Action