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33
SECTION 3—INSTALLATION OF COMPONENTS
SSC-1500 Gen II Part-Revolution Solid-State Control
Palm Button Assembly
(continued)
When applying the two run palm buttons to meet the requirements for a point-of-operation safeguarding
device, make certain these buttons are located on the machine so they meet the minimum safety distance
required by the ANSI formula.
Simply stated, safety distance is the mounting location of the palm buttons at a distance where the operator cannot
reach into the point-of-operation hazard before the slide has stopped or completed its downward travel.
To obtain the stopping time, either the built-in system (provided with the control system) or a portable stop-time
measurement unit can be used.
WHEN USING
FOOT SINGLE STROKE
AND
FOOT/FOOT SEQUENCE STOP
MODES OF OPERATION:
A method of safeguarding the point of operation must be provided before using any of the above modes of operation.
The machine will not operate or must not be operated until you either:
1. Electrically interlock or
2. Mechanically safeguard the machine’s point of operation with a guard or device.
Install either the electrically interlocked method of safeguarding or the mechanical guard or device.
1. When an electrically interlocked method of safeguarding the point of operation is chosen, connect the interlock to the safeguard interlock
terminals (P8-17 and P8-18) in the control box, and as shown on the control wiring schematic (wire numbers 86 and 87). If a light curtain
is used as the point-of-operation safeguard, it does not need to be interlocked in to P8-17 and P8-18. Refer to the control wiring schematic
for proper terminal connection.
2. When a mechanical guard or device (nonelectrically interlocked) is chosen, the safeguard interlock terminals (P8-17 and P8-18) are not
used. In order for the machine to operate with the use of a mechanical guard or device, the safeguard interlock terminals must be connected.
Note: When the mechanical guard or device is removed for other modes of operation, the safeguard interlock terminals must be disconnected.
RED EMERGENCY-STOP BUTTON (Required)
The red emergency-stop button is used to stop the machine anywhere in its cycle. When the operator depresses the button, it should stop the
hazardous motion of the machine immediately. This palm button assembly requires either a double-hub mounting box Part No. CTK-003, or a
single-hub mounting box Part No. CTK-004. The button can be located between the two run palm buttons as part of the operator’s control station
(refer to page 31). A latch on the side trips when the button is pushed. To reset the button, push the latch in.
Note: More than one emergency-stop button may be furnished for additional control stations or for convenience.
Photo 3.37
Part No. CTC-736
Latch