Rice Lake 420 Plus Digital Weight Indicator - 7.5V DC-to-DC Power Supply Installation - Manual (Page 3)

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5. Install cable and cord grip by running it through the enclosure as shown below.
Figure 4. Install Power Cord into Enclosure
6. Connect the ground wire that comes from the cable to the ground lug on the indicator. Attach the positive
and negative wires coming from the cable to the power supply board. Proper wire connections are shown in
Table 1.
Ground lug
Positive DC
Voltage Wire
DC Voltage
Return
Figure 5. Install + and - Voltage Wire and Connect Ground Wire
Table 1. Wiring to Power Supply
Wire Signal
Earth/Chassis Ground Ground
Positive DC Voltage +V
Negative DC Voltage -V
7. Carefully align the power supply to existing location and use screws provided to secure the power supply to
the enclosure.
8. Carefully plug in the +7.5 VDC output side of the power supply to the CPU board. It’s location is noted in
Figure 6.