XPSMCTS32 SQUARE D, XPSMCTS32 Datasheet - Page 257

• Manufacturer Part Number: XPSMCTS32
• Description: SET OF SCREW TERMINALS
• Manufacturer: SQUARE D

Specifications of XPSMCTS32

• Accessory Type: Screw Connector
• Rohs Compliant: Yes

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Operating principle
Principle:
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Characteristics:
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Safety automation system solutions
Preventa™ safety relay modules type XPSOT
For safety stop with automatic overtravel monitoring
and control
Safety module XPSOT is used on eccentric presses to monitor overtravel and
ensure that the press slide stops in a non-hazardous position, that is, top dead center
(TDC) during normal (non-emergency) operation. Use of this module, designed in
accordance with standard EN 692 relating to mechanical press safety, makes it
possible to create a redundant, self-monitoring control system.
The two essential functions of this safety module are to:
b Trigger the end of cycle stop sequences slightly before top dead center (at
point A) so as to come to complete stop at TDC.
After TDC, the permissible overtravel is approximately 10°. The safety module
immediately detects any overtravel. Overtravel is indicative of braking device
deterioration and, in this case, jog mode must be used to move the slide back to TDC.
The next cycle will be inhibited to allow maintenance to be performed on the braking
device (cam 1).
b Take over control monitoring during the dangerous part of the cycle (slide
downstroke). Any stop instruction issued between TDC (0°) and point C
(approximately 150° after TDC) causes an immediate stop of the press. This
approximate value of 150° corresponds to the 0.315” (8mm) tool closure
dimension (safety point).
When a stop instruction is issued after this safety point, the press completes the
cycle and comes to a complete stop at TDC (cam 2).
Control of the hazardous part of the cycle (generally the slide downstroke) is usually
activated from a two-hand control station associated with a safety module (type
XPSBC) monitoring this station to qualify as a category 4 control system according to
standard EN 954-1/ISO 13849-1.
Overtravel monitoring is performed on each cycle by safety module XPSOT.
References:
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Operating principle
Wiring Diagrams:
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Dimensions:
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