Mains Operation:
GM80 TG: Wall power supply with 24V DC / 250mA is part of the delivery scope.
GM80 PA: The supply voltage of 16-30V DC is connected via a BMS-plug.
Battery for Date and Time:
A commercial CR2032 lithium battery with 3V is used. If time and date continuously begins at 0.00 hrs and date of
01.01.70, the battery must be exchanged.
Switch the GM80 off-circuit first!!!
At the GM80-TG both screws are
unfixed at the bottom and the housing top has to be removed.
At the GM80-PA the front framework is removed and the front foil has to be slightly lifted at all 4 corners, then the
underlying screws need to be unfixed. Then the circuit board can be pulled out carefully. The battery is located on
a clamp on the circuit board and can easily be exchanged. “Plus” on top!
Control inputs:
Trigger, Enable, Tare/GWS2
This input can be controlled e.g. with a PLC, remote switch, foot switch... or similar.
It is an optocoupler input and therefore it is separated galvanically.
As a control signal, 0V - 2V is recognized as low level, 3,5V -27V as high level.
Trigger:
Thus depending on the adjustment, data can be stored or interface data can be issued.
This input has a high sampling rate, therefore very short impulses are recognized as well.
Enable:
By this the min. and max. value is deleted externally.
In the display mode Max or Min, e.g. after each measurement the min. or max value can be deleted in order to acquire the
next min. or max. value.
Tare / GWS2 (limit value set 2):
Select in the menu which function should be carried out while applying a signal.
Tare:
tare externally.
GWS2: by this the second limit value set is being activated, parameters are being adjusted in the menu.
Operation Mode
Low level
High level
GWS1 + TARE
GWS1
TARE
GWS1 + GWS2
GWS1
GWS2
Serial Interface Adjustment:
Parity:
none
Data bits:
8
Stop bits:
1
Limit Values:
2 switching points (SP), independent from each other, can be configured in value and the switching direction. The second
limit value set has to be activated by the control input.
