Analog Output Connections
The analog output option board (Figure 2-49) fits into the PLC interface slot on the
Main board. It provides a 4-20mA analog signal proportional to the weight applied
to the scale.
Figure 2-49: Analog Output Option Board
Connections to this option should be made as shown in Figure 2-50.
Figure 2-50: Wiring the Analog Output
Allen Bradley RIO
Connections to the Remote IO option board (Figure 2-51) are made using a three-
pin terminal connector on the RIO option.
Figure 2-51: A-B RIO Option Board
IND131/IND331 Terminals Installation Manual
NOTES:
1. ERROR OUTPUTS MUST BE MONITORED TO DETERMINE WHEN WEIGHT
SIGNAL IS VALID.
2. ERROR SIGNALS ARE OPEN COLLECTOR, CURRENT SINKING OUTPUTS.
3. VOLTAGE: 5-30 VDC, 200 mA MAXIMUM CURRENT.
4. USE TWO-CONDUCTOR SHIELDED CABLE FOR SIGNAL LINES.
5. MINIMUM RESISTANCE OF DEVICE LOAD IS 500 OHMS.
2
6. WIRE SIZE: 14 AWG (2.1 mm
) MAXIMUM
2
22 AWG (0.3 mm
) MINIMUM
2-31