8400-M022-O1 Rev K
Model 190 Indicator
8
CAUTION!
Disconnect any external load cell power supply before
connecting load cells to the indicator. Failure to do so will result in
permanent damage to the indicator.
Load Cell Connections
1.
Loosen the 4 Captive screws securing the rear housing to the front housing assembly.
2.
Referring to Figure No. 2, choose a gland connector for the load cell cable and loosen it.
3.
Slip the single cable from the load cell or load cell junction box through the gland connector
and into the enclosure.
4.
Referring to Figure No. 3, remove 3 inches of the
outer insulation jacket.
5.
Next, remove 1/4 inch of insulation from each of
the six wires and shield (with sense leads) or four
wires and shield (without sense leads).
6.
Remove the 7-connector terminal block connector
from P5 on the 190 mainboard. Grasp the
terminal block connector and lift straight up away
from the board.
7.
Referring to the table below and the labels on the circuit board for terminal connections,
connect each wire to the terminal block.
P5 Load Cell Wiring Table
P5 Board Label
Function
P5 Board Label
Function
+EXC
+ EXCITATION
-SIG
- SIGNAL
+SEN
+ SENSE
-SEN
- SENSE
+SIG
+ SIGNAL
-EXC
- EXCITATION
SHLD
SHIELD (Connect the load cell cable shield wire here).
Figure No. 3
1/4”
3”
AC Power
100-240V AC
0.4 Amp
Scale
I/O
(Serial, Isolated
Inputs/Outputs)
Figure No. 2
