PNOZ s8
Operating Manual PNOZ s8
21400-EN-10
8
Unit features
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Relay outputs:
–
2 safety contacts (N/O), instantaneous
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1 semiconductor output
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LED for:
–
Input status, channel 1
–
Input status, channel 2
–
Switch status of the safety contacts
–
Fault
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Plug-in connection terminals (either spring-loaded terminal or screw terminal)
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See order reference for unit types
Safety features
The unit meets the following safety requirements:
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The unit monitors its own output contacts.
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The safety function remains effective in the case of a component failure.
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Earth fault in the feedback loop:
Detected, depending on the base unit that is used.
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Earth fault in the input circuit:
The output relays de-energise and the safety contacts open.
Block diagram/terminal configuration
In
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rfa
c
e
e
x
p
a
n
s
io
n
m
o
d
u
le
Fig.: Centre: Front view with cover, right: Front view without cover
*Safe separation from non-marked area in accordance with EN 60947-1, 6 kV, basic insula-
tion between all safety contacts.
