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Allen-Bradley PLCs
Connecting Your 1394 SERCOS Interface System
Wiring Shunt Module Fan Power
This procedure assumes that you have bonded, mounted, and wired
the power to your shunt module. The shunt fan can be wired for 115V
or 230V input. Use 1.3 mm
copper wire for all fan power wiring. The current draw of each shunt
module fan is shown in the table below.
For this input power:
The current draw is:
115V AC
0.2A
230V AC
0.1A
If you mount the shunt module outside the cabinet,
IMPORTANT
the shunt fan power wiring must be inside metal
conduit to minimize the levels of EMI and RFI.
To wire the shunt fan for 115V:
1. Verify that all 24V control or 360/480V input power is removed
from the system.
2. Open the front door of the shunt module.
3. Using a flat screw driver, remove the plate that covers the fan wire
access hole located on the bottom right side of the module.
4. Insert one wire from the 115V AC power supply into terminal 1.
5. Insert the other wire from the 115V AC power supply into
terminal 4.
6. Insert one of the jumper wires that came with your shunt module
into terminals 1 and 3. Refer to Figure 2.29 for the jumper's
location.
7. Insert the other jumper wire that came with your shunt module
into terminals 2 and 4. Refer to Figure 2.29 for the jumper's
location.
8. Tighten all screw terminals.
9. Gently pull on each wire to make sure it does not come out of its
terminal. Re-insert and tighten any loose wires.
2
(16 AWG) [machine tool, 75 ° C (167 ° F)]
Publication 1394-5.20 — July 2001
2-39
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