SE-SR2
Operating instructions SE-SR2
826002433-EN-Rev.C
7
Unit features
} Positive-guided relay outputs:
– 3 safety contacts (N/O), instantaneous
– 1 auxiliary contact (N/C), instantaneous
} Connection options for:
– Start button
– Light grids
} LED display for:
– Supply voltage
– Switch status of the safety contacts
} No galvanic isolation between U
B
and input circuit
} Plug-in connection terminals
Safety features
The safety 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.
Block diagram/terminal configuration
*Insulation between the non-marked area and the relay contacts: Basic insulation (over-
voltage category III), Protective separation (overvoltage category II)
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