PNOZ s5
Operating Manual PNOZ s5
21397-EN-10
8
Unit features
} Positive-guided relay outputs:
– 2 safety contacts (N/O), instantaneous
– 2 safety contacts (N/O), delay-on de-energisation
} 1 semiconductor output
} Connection options for:
– E-STOP pushbuttons
– Safety gate limit switches
– Start buttons
– Light grids and safety switches with detection of shorts across contacts
} A connector can be used to connect 1 PNOZsigma contact expansion module
} Operating modes and delay times can be selected via rotary switches
} LED indicator for:
– Supply voltage
– Input status, channel1
– Input status, channel2
– Switch status channel 1/2
– Start circuit
– Error
} Plug-in connection terminals (either spring-loaded terminal or screw terminal)
} See order reference for unit types
Safety features
The relay meets the following safety requirements:
} The circuit is redundant with built-in self-monitoring.
} The safety function remains effective in the case of a component failure.
} The correct opening and closing of the safety function relays is tested automatically in
each on-off cycle.
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