Allen-Bradley ClutchBrake PLC-5 Series - Crowbar Relay Test (if Using Crowbar Relays); Test Run Buttons (All Four Stations)

8–3Test Your Clutch/Brake
Publication 65566.5.1 - October 1996
Crowbar Relay Test (If using crowbar relays)
1. Power up the system.
2. Reset the E-Stop circuit by pressing the Control Reset button.
3. Reset control power by pressing the C/B Power Reset button.
4. Verify that crowbar relays are not energized by observing that
their output LEDs are OFF at Module Group 5 output 15 in
chassis A and B.
5. Verify that you have enabled the use of the crowbar circuit by
your ladder rung in PF15 that sets B151/15 unconditionally ON.
6. Press the E-Stop button to shut down power.
7. Reset the E-Stop circuit by pressing the Control Reset button.
8. Verify that crowbar relays energize and then go OFF. Do this by
observing their output LEDs at Module Group 5 output 15 in
chassis A and B when you restore control power in step 9.
9. Restore control power by pressing the C/B power reset button and
verify crowbar relay operation (step 8).
Test Run Buttons (all four stations)
Test Run-button wiring by observing input LEDs in Module Group 3.
Check the OK? box after verifying that the LED indication is correct.
For This Condition In Module Group 3
These Input LEDs are OFF
OK
?
In Module Group 3
These Input LEDs are ON
OK
?
Run stations wired with dummy plugs. Chassis A and B
If using active pin: Inputs 2, 5, 10, 13
Chassis A and B
Inputs 0, 1, 3, 4, 6, 7, 11, 12
Run stations wired with run buttons. Chassis A and B
Inputs 0, 3, 6, 11
Chassis A and B
Inputs 1, 4, 7, 12
If using active pin: Inputs 2, 5, 10, 13
Station 1 Righthand Run button pressed. Chassis B, Input 1 Chassis A Input 0
Station 2 Righthand Run button pressed. Chassis B, Input 4 Chassis A, Input 3
Station 3 Righthand Run button pressed. Chassis B, Input 7 Chassis A, Input 6
Station 4 Righthand Run button pressed. Chassis B, Input 12 Chassis A, Input 11
Station 1 Lefthand Run button pressed. Chassis A, Input 1 Chassis B, Input 0
Station 2 Lefthand Run button pressed. Chassis A, Input 4 Chassis B, Input 3
Station 3 Lefthand Run button pressed. Chassis A, Input 7 Chassis B, Input 6
Station 4 Lefthand Run button pressed. Chassis A, Input 12 Chassis B, Input 11