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

2–9Define Your Control System Characteristics
Publication 65566.5.1 - October 1996
6. Select Input Switches
Record the quantity and locations of your input switches.
Device Symbol Purpose Type Qty Location
Palm
Buttons for
Run Stations
(1 pr./station)
Left Right
• Used by press operators to start the press in single
or continuous mode.
• Assures 2hand operation of the press in single or
continuous mode (located more than 24" apart).
• Position RUN stations per ANSI B11.1 appendix A
Momentary pushbuttons
dual contact
normally closed N.C.
and normally open N.O.
Lefthand
Inch
• Lets you inch the press up or down.
• Assures 2hand operation of the press when
positioned more than 24" from other button.
Momentary pushbuttons
dual contact N.C. and
N.O
Righthand
Inch
• Lets you inch the press up or down.
• Assures 2hand operation of the press when
positioned more than 24" from other button.
Momentary pushbuttons
dual contact N.C. and
N.O.
Stop on Top
• Turns clutch output OFF at the next top of stroke.
• No effect in single mode.
Momentary pushbutton
single NC contact
EStop
• Wire in series.
• Distribute as needed to stop press quickly.
• You are responsible for meeting applicable codes.
Momentary pushbutton
single N.C. contact
Mode
Select
• Lets you select the operating mode:
Off
Inch
Microinch
Single
Continuous
Remote
Die Change
Rotary, 7position
key lockable
Arm
Continuous
• Lets you begin a 5second time window to start
continuous mode.
Momentary pushbutton
single N.O. contact
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
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
Motion
Detector
Interlock
• Detects press motion in single or continuous mode.
• Must cycle ON/OFF with press motion
• If using resolvers, program this function.
N.O. single contact
Control
Reset
• Lets you manually reset power to valve outputs at
power up or after an Estop.
Momentary pushbutton
single N.O. contact
Clutch/Brake
Power Reset
• Lets you manually reset clutch power (and
crowbars if used) on power up or after an Estop.
Momentary pushbutton
triple contact 1 N.O.
and 2 N.C.
Chain Break
Indicator
• Monitors the chain drive. When it detects
breakage, it opens to stop a downstroke or to
prevent starting the press.
N.O. limit switch,
held closed