Warner Electric CBC-450 - Manual (Page 24)

3. Open collector output of NPN
Transistor in PLC output module or
computer card.
Tighten Terminal 6 of Terminal Block
TB-1 securely at this time.
b. Connect the input side of the Channel 2
override switch to negative side (-) of the
DC power source.
1. External negative (-) of external DC
power source if used.
or,
2. Negative (-) or DC common of the
internal voltage source at Terminal 8
of Terminal Block TB-1. Tighten
Terminal 8 securely at this time.
9. Double check all input wiring and switching
circuit connection to insure proper wiring and
hook-up. Refer to figures 17a through 20a.
10. Make sure all Terminal Block connections on
Terminal Block TB-1 are securely tightened at
this time.
11. Double check any external sensor power wiring
and connections. Refer to the appropriate
sensor data sheets for connections.
12. This completes the input switching circuit
wiring. Make sure all debris, insulation chips
or wire fragments are cleaned up and control
circuit boards blown off with dry air before
proceeding.
13. Proceed to the start-up section of the manual
for start up and check out.
1
2
3
4
5
6
7
8
Channel 2
Input
+12 VDC
CLOSED- CH 1 OUT
OPEN- CH 2 OUT
START
OVERRIDE
DC COM
+
-
Channel 1
Input
+
-
Channel 2
Override
+
-
TB-1
Figure 17a
24 Warner Electric • 800-825-9050 P-239-23 • 819-0500