8
Model 915A Indicator User Manual
5 Cable Connections and Power Requirements
Make sure all cables are connected as shown in
Figure 5.1
and
Figure 5.2
.
Voltage to the Model 915A must be 10-18 volts DC, negative ground only. If voltage is
between 8-10 volts,
Lo-bAt
is displayed on the indicator. Dropping below eight volts will
cause the Model 915A to automatically shut itself off, protecting the battery from being
completely drained. Consult the Model 915A Service Manual for instructions on
disabling the automatic shut-off.
FUSE
FUSE
Remote Display/
RS-232 Connector
(Optional)
Weigh Bar Connector
(7 pin)
Power Fuse
Power Connector
Alarm Connector
Alarm Fuse
Pin A = +12 VDC
Pin B = Ground
Figure 5.1 Indicator with One Weigh Bar Connector
FUSE
FUSE
Remote Display/
RS-232 Connector
(Optional)
Weigh Bar Connectors
(4 or 5 pins)
Power Fuse
Power Connector
Alarm Connector
Alarm Fuse
Pin A = +12 VDC
Pin B = Ground
Figure 5.2 Indicator with Four Weigh Bar Connectors