PNOZ 15
Operating Manual PNOZ 15
18492-EN-04
7
Unit features
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Positive-guided relay outputs:
– 3 safety contacts (N/O), instantaneous
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Relay outputs:
– 1 auxiliary contact (N/C), instantaneous
– 1 auxiliary contact (N/O), instantaneous
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1 semiconductor output
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Connection options for:
– E-STOP pushbutton
– Safety gate limit switch
– Start button
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Reset button for resetting after a short circuit
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LED indicator for:
– Supply voltage
– Switch state of the safety contacts
– Error
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Semiconductor output signals:
– Error
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
Start
A1
A2
S52
13
S22
S33 S34
S21
Feed-
back
23 33 41
53
14
24 34 42
54
Y35
Y31
Y30
53
41
33
23
13
S22
S21
S12
S52
S11
A1
54
42
34
24
14
Y2
Y1
S34
S33
A2
PNOZ 15
POWER
FAULT
CH.1
Y31
13 23 33
14 24 34
Y35
Y30
CH.2
41 53
42 54
*Insulation between the non-marked area and the relay contacts: Basic insulation (over-
voltage category III), Protective separation (overvoltage category II)