Warner Electric CBC-450 - Manual (Page 41)

Alternate/Simultaneous Operation – Two
Wire Mode, Sourcing Type Input
Devices
1. Refer to Figures 25a through 28a for various
switching devices which can be used.
2. Jumper the negative (-) inputs of the opto-
coupler, Terminal Block TB-1, Terminals 2,
4, and 6 together. Tighten Terminals 2 and 4
of Terminal Block TB-1 securely. Snug
Terminal 6 only at this time.
3. Connect a DC power source, negative (-) or
DC Common Terminal 6 of Terminal Block
TB-1.
a. Negative (-) or DC Common of external
DC power source to Terminal 6. Tighten
Terminal 6 securely.
or,
b. Jumper from Terminal 8 of Terminal
Block TB-1 DC Common (-) to Terminal 6
of Terminal Block TB-1 if internal DC
power source is used. Tighten both
Terminals 6 and 8 securely on Terminal
Block TB-1.
4. Connect a DC power source positive (+)
voltage to Terminal 1 of Terminal Block
TB-1.
a. Positive (+) DC of external DC power
source is used. Tighten Terminal 1, TB-1
securely.
or,
b. Jumper from Terminal 1 of Terminal
Block TB-1 to Terminal 7 (+) DC of TB-1
if internal DC power supply is used.
Tighten Terminal 1 only at this time.
5. Connect the output side of the switching
circuit to the Channel 1 input, positive side
(+) of the opto-coupler at Terminal Block
TB-1, Terminal 3.
a. Normally closed contact of mechanical
switch
b. Normally closed contact of relay contact
c. Open collector output of PNP Transistor
(normally on) for solid-state sensors
d. Collector output of PNP Transistor (normally
on) for PLC output module or computer card
Tighten Terminal 3 of Terminal Block TB-1
securely.
NOTe: For operation of the CBC-400/CBC-450
to power up with Channel 1 output “on” in
alternate mode or both outputs “off” in
simultaneous mode, the Channel 1 input
switch must be maintained closed for
mechanical switches or “on” in the case of
solid-state switches.
6. Connect the input side of the switching circuit
when mechanical switches are used to the
positive side (+) of the DC power source.
a. External positive (+) of the DC power source if
used
or,
b. Positive (+) of the internal DC power source at
Terminal 1 of Terminal Block TB-1 securely.
Tighten Terminal 7 of TB-1 securely.
7. For external sensors or when using PLC output
modules or computer cards, connect power
source to sensors or cards accordingly.
a. External power source, positive (+) and
negative (-) to appropriate leads on terminals
or,
b. Internal power source, positive (+) DC voltage
Terminal 7 of Terminal Block TB-1 and
negative (-) or DC Common Terminal 8 of
Terminal Block TB-1 to appropriate sensor
leads or terminals. Insure both Terminals 7
and 8 are snug at this time.
8. Optional Channel 2 Override Input Wiring
P-239-23 • 819-0500 Warner Electric • 800-825-9050 41