Allen-Bradley ClutchBrake PLC-5 Series - Required Input Switches

1–9Overview of the Clutch/Brake Control System
Publication 65566.5.1 - October 1996
The clutch/brake control system requires input switches. Table 1.B
lists representative types. Select the right input switches for your
application.
Table 1.B
Required
Input Switches
Device Symbol Purpose Type AllenBradley Type Qty
Palm
Buttons for
Run Stations
Left Right
• Lets press operators start the press
• Assures 2hand operation
Note: Position RUN buttons at least 24" apart.,
and RUN stations in accordance with
ANSI B11.1 appendix A.
Momentary pushbuttons
dual contact
normally closed (N.C.)
and normally open (N.O.)
(2) Articulated Palm
Buttons 800PF2CA
up
to
4
pairs
Lefthand
Inch
• Lets you inch the press up or down
Note: Position INCH buttons at least 24" apart.
Momentary pushbuttons
dual contact N.C. and N.O
Articulated Palm
Buttons 800PF2CA
1
Righthand
Inch
• Lets you inch the press up or down
Note: Position INCH buttons at least 24" apart.
Momentary pushbuttons
dual contact N.C. and N.O.
Articulated Palm
Buttons 800PF2CA
1
Stop on Top
• Stops press at top during continuous stroking
Momentary pushbutton
single N.C. contact
Yellow Mushroom
head 800TD9B
1
EStop
• Stops the press immediately
Note: Wire switches in series as needed.
Momentary pushbutton
single N.C. contact
Jumbo Mushroom
head 800TFXP16RA5
1
or
more
Mode
Select
• Lets you select the operating mode:
Off
Inch
Microinch
Single
Continuous
Remote
Die Change
Rotary, 7position
key lockable
N/A 1
Arm
Continuous
• Lets you begin a multisecond time window to
start continuous mode.
Momentary pushbutton
single N.O. contact
Black Momentary
Pushbutton 800TA2A
1
Main Motor
Forward
Interlock
• Monitors whether motorforward starter is
engaged. If not, it opens to prevent running the
press in single or continuous mode.
N.O. auxiliary contact for
forward motor starter
Motor Starter
Auxiliary Contact 595A
2
Air Pressure
• Monitors maintained signal of C/B air pressure
• Must be ON to run single or continuous cycles
N.O. singlethrow
pressure switch
Pressure Switch
836C8JX321
1
Motion
Detector
Interlock
• Detects if motion is stopped in single or
continuous mode.
Note: If using resolvers, you program this function.
N.O. single contact N/A 2
Control
Reset
• Lets you manually reset power to valve
solenoids at power up or after an Estop.
Momentary pushbutton
single N.O. contact
800TA2A 1
Clutch/Brake
Power Reset
• Lets you manually reset clutch power (and
crowbars if used) on power up or after Estop.
Momentary pushbutton
triple contact 1 N.O.
and 2 N.C.
800TA2B 1
Chain Break
• Monitors the chain drive.
Note: When it detects breakage, it opens to stop a
downstroke or to prevent starting the press.
N.O. limit switch,
held closed
Limit Switch 802MAY5
with Operating Lever
802MCW1A
1
Required Input Switches