Operating and service instructions
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LMS 120
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4.2. Operation menu
Operation displays 1 to 4 provide a complete overview of the status of the monitoring loops and the device status.
The individual displays can be selected with the following keys:
Fig. 5 (Operation
menu)
Operation display 1:
In this view, the type, channel number and the status of the monitoring loops are displayed.
Possible displays are:
System type
NORDIC, BRANDES, SWISS, OFF
Channel
1, 2
Status
OK, Alarm Loop, Alarm Iso., Alarm I&L
Operation display 2:
The values of the last measurement are displayed here.
Explanation:
I:
Isolation value (measure of dampness of thermal
isolation)
L:
Loop resistance (monitoring loop verification)
Operation display 3:
This display is only needed for service purposes. The data must be entered into the record of the fault report. (see
6. Service; page 15)
Operation display 4:
The serial number and device version are displayed here. The data must be entered into the record of the fault
report. (see 6. Service; page 15)
Operation display 1
Operation display 2
Operation display 3
Operation display 4
or
