Warner Electric CBC-450 - Manual (Page 14)

Alternate/Simultaneous Operation –
Three Wire Mode, Sinking Type Input
Devices
1. Refer to Figures 13a through 16a for various
switching devices which can be used.
2. Jumper the positive (+) inputs of the opto-
coupler Terminal Block TB-1, Terminal 1, 3,
and 5 together. Tighten terminals 1 and 3
securely.
3. Connect a DC power source, positive
voltage to Terminal 5.
a. Positive (+) DC if external power supply
is used. Tighten Terminal 5 securely.
b. Jumper from Terminal Block TB-1
Terminal 7 if internal DC supply is used.
Tighten both Terminals 5 and 7 securely.
4. Connect output side of the switching circuit
(start) to the channel 2 input negative side
(-) of the opto-coupler at Terminal Block
TB-1, Terminal 2.
a. Momentary switch contact
(normally open)
b. Normally open contact of form “C” Relay
c. Open collector output of NPN Transistor
for solid-state sensors
d. Collector of NPN output module for PLC
interface or computer card
Tighten Terminal 2 of Terminal Block TB-1
securely.
NOTe: With the exception of the relay
contact in 4b above, all other outputs or
switches must be momentary in nature.
5. Connect the input side of the switching
circuits if momentary switches or relay
contact is used to the negative side (-) of
the power source.
a. External negative (-) if external DC power
source is used.
b. Negative (-) or DC common of the internal
voltage source, Terminal 8 of TB-1.
6. Connect the output side of the switching circuit
(stop) to the Channel 1 input negative side (-) of
the opto-coupler at Terminal Block TB-1,
Terminal 4.
a. Momentary switch contact (normally open)
b. Normally closed relay contact of form “c”
relay
c. Open collector output of NPN Transistor for
solid-state sensors
d. Collector of NPN Output Module for PLC
interface or computer card
Tighten Terminal 4 of Terminal Block TB-1
securely.
NOTe: With the exception of the relay contact in
6b above, all other outputs or switches must be
momentary in nature.
7. Connect the input side of the switching circuits
of momentary switch or relay contact if used to
the negative side (-) of the power source.
a. External negative (-) if external DC power
source is used.
or,
b. Negative (-) or DC common of the internal
voltage source, Terminal 8 of TB-1.
8. For external sensors or when using PLC output
modules or computer cards, connect power to
sensors or cards accordingly.
a. External power source, positive (+) and
negative (-) to sensor power leads
or,
b. Internal power source, positive (+) Terminal 7,
TB-1 and negative (-) Terminal 8, TB-1 to
sensor power leads. Tighten Terminals 7 & 8
securely.
14 Warner Electric • 800-825-9050 P-239-23 • 819-0500