PNOZ X4
Operating Manual PNOZ X4
19894-EN-07
7
Unit features
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Positive-guided relay outputs:
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3 safety contacts (N/O), instantaneous
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1 auxiliary contact (N/C), instantaneous
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Connection options for:
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E-STOP pushbuttons
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Safety gate limit switches
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Start button
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Light guards and safety switches
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LED display for:
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Supply voltage
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Switch status of the safety contacts
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See order reference for unit types
Safety features
The safety relay meets the following safety requirements:
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The circuit is redundant with built-in self-monitoring.
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The safety function remains effective in the case of a component failure.
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The correct opening and closing of the safety function relays is tested automatically in
each on-off cycle.
Block diagram/terminal configuration
Types: AC
*Insulation between the non-marked area and the relay contacts: Basic insulation (over-
voltage category III), Protective separation (overvoltage category II)