Rice Lake OB-350 Loadrunner Series Onboard Weight Indicator - Manual (Page 9)

Installation 5
3.3 Electrical Wiring and Data Connections
The OB-350 is fitted with one Power and one Input Channel connector as standard. CANbus, Channel 2 and RS-232 are optional.
Full connector options is shown for illustration.
1 3
2
4
5 6
12B1D4FB
T
Figure 3-3. Rear Panel Identification and Bulkhead Connectors
Pin Description
1 Input Channel 1, Max +/-39.0625 milli-Volts (also known as analog)
2 Input Channel 2, Max +/-39.0625 milli-Volts (also known as analog)
3 Power Input & Alarm Output
4 CANbus digital input & output
5
RS-232 output for printers and data capture devices (pin 9 = vehicle volts, pin 5 = ground, pin = 2 transmit, pin 3 =
receive)
6 Alpha-numeric unique indicator serial number, also appears on power-on
SIGNAL channel 1 & 2, socket is FEMALE. – CON 2 & 3 on PCB
Pin 1 BROWN + Excitation 5 Volts DC
Pin 2 WHITE + Signal milliVolts from the junction box & loadcells
Pin 3 BLUE - Excitation 0 Volts
Pin 4 BLACK - Signal milliVolts from the junction box & loadcells
POWER & ALARM, socket is MALE – CON 1 on PCB
Pin 1 BROWN Vehicle voltage Supply 12V (LCV) or 24V (MCV & HGV)
Pin 2 WHITE Output 1 12V or 24V
Pin 3 BLUE Ground Ground 0 Volts (common)
Pin 4 BLACK Output 2 12V or 24V
CANbus input and output, plug is MALE – CON 5 on PCB
Pin 1 BROWN +24V +24 Volts DC Power Input
Pin 2 WHITE GND CAN bus LOW Output
Pin 3 BLUE CANH 0 Volts Ground
Pin 4 BLACK CANL CAN bus HIGH Output