1126800 SmartPAC 2 with WPC Integration
Page 6 Chapter 1 Introduction to SmartPAC 2
• TOP STOP switch, which stops the ram at the top of stroke during continuous
operation.
• LEFT/RIGHT SELECT key switch for the ONE HAND trip mode, which is
located on the bottom of the Operator Station (optional).
OPERATOR STATION
PRIOR ACT
switch
PALM TIME
LED
MUTE
LED
TOP STOP
switch
EMERGENCY STOP /
RESET
switch
RUN / INCH
palm switches
RUN/
INCH
RUN/
INCH
EMERGENCY
STOP
RESET
PALM
TIME
PRIOR
ACT
MUTE
TOP
STOP
Figure 1 - 2. Illustration of Operator Station
• Dual-monitored Safety Valve, which controls the air flow that operates the clutch and
brake of the press. DSVs are available in many popular sizes.
• System air pressure switches, which monitor the system air pressure.
• Shadow light curtain: The Shadow light curtain is a presence-sensing device that places
an infrared light field between the point-of-operation and the operator. When something
enters the sensing field and a light beam is blocked, the object is detected and the press is
immediately stopped.
The standard WPC package is designed to be used with a Shadow light curtain. However,
you can purchase WPC without a light curtain. In this version, the control enclosure does
not have a MODE SELECT switch, and WPC will only operate in the TWO HAND
mode.
Shadow light curtain is optional for two-hand mode, but is required for point-of-operation
guarding if WPC is used with a foot switch or in the one-hand mode. WPC tests up to
two Shadow inputs every time the press is started and stopped.
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