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Wiring the System
NOTE: The power requirements for the user-supplied power supply will
vary depending on the configuration of the PLC Server and connected
devices.
24 VDC Power Cabling
In order to maintain <strong>com</strong>pliance with EN standards, DC power must be delivered over a
shielded cable, with the shield connected to the return conductors at both ends of the
cable as shown in Figure 4-8. Conductors should be 1.5 mm 2 - 1.85 mm 2 (16 to 14 AWG) in
size. The maximum length for the 24 VDC cable is 10 meters.
<strong>Adept</strong> PLC Server
- +
Note: Use connector
supplied by <strong>Adept</strong> at
this end of cable.
Shield
User-Supplied Shielded
Power Cable
Figure 4-8. User Supplied Power Cable
+
-
User-Supplied
Power Supply
24VDC, 5A
Daisy-Chaining Power
The PLC Server is equipped with two DC power connectors. These connectors allow the
daisy-chaining of power from one PLC server to another. When daisy-chaining power, the
power supply circuit must be limited to the lesser of 8 Amps or the amperage rating of the
cabling. This can be done with a circuit breaker or a fuse. The DC power can be applied to
either the XDC1 or XDC2 connector.
CAUTION: Use only one 24 VDC power supply per circuit.
Failure to do this could result in damage to the equipment.
Installing 24 VDC Connectors
Use the <strong>Adept</strong>-supplied connectors to connect the customer-supplied 24 VDC power
supply to the PLC Server. The connectors are Weidmuller #169042.
1. Locate two 24 VDC connectors that are shipped with the PLC Server. See
Figure 4-9 on page 57.
2. Use 14 or 16 gauge wires to connect the 24 VDC power supply to the PLC Server.
3. Strip 7 mm of insulation from the end of the wire that connects to the positive
output of the 24 VDC supply.
56 <strong>Adept</strong> <strong>Cobra</strong> <strong>PLC600</strong>/PLC800 Robot User’s <strong>Guide</strong>, Rev B