CANOGA PERKINS UCS 1001 Universal Chassis System - Manual (Page 10)

EdgeAccess Universal Chassis System
2-2 UCS 1001 User Manual
5. At ALM OUT, on the rear panel, connect devices to receive alarm information; see Figure 2.
• NO The contacts are open for normal operation and closed in a fault condition
• COM The electrical common
• NC The contacts are closed for normal operation and open in a fault condition
6. At ALM IN, on the rear panel, connect devices to supply alarm information; see Figure 2.
Connect cabling from the + output on the device to IN+ on the UCS 1001 and from the - output to
IN- on the UCS 1001; the internal alarm sense circuit is optically protected. Connect an optional
Frame or Chassis Ground to CH_GND.
Figure 2. UCS 1001 Rear Panel
7. To connect power to the power supply(s), follow these steps:
• For an AC supply, plug the power cord into the rear panel, then plug the cord into the power
source.
• For a DC supply, loosen the screws for the GND and VDC terminals on the rear panel, then
slide the wires under the square washers, and tighten the screws. See Figure 1. Check the
polarity and use an ohmmeter to verify that -48 VDC is not shorted to GND. Replace the
shield over the terminals and connect the power cables to the power source.
Note: To turn off the power, unplug the AC power cord or turn off the DC supply.
8. Insert the modules into the chassis; for details, see the user manual for each module.
9. Install a cover on an unused slot.
10. Turn on the chassis power supply(s). All LEDs on all modules light amber during the power-on
sequence, then the PWR LED(s) lights green.
11. To configure each module in the chassis, see the user manual for that module.