Function description
Operating Manual PNOZ s30
1001715-EN-19
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5.3.11 Synchronous start
Outputs can be combined into a group with the "Synchronous start" option.
It is ensured that all the outputs in this group must be switched off before an individual out-
put in this group can be switched on again.
To switch on an output in this group, all the other start-up conditions for this output must be
met. The outputs in the group are switched on independently of each other.
Please note:
} No switch-on delay may be configured for synchronous outputs (menu Output
delay:Switch-on delay/switch-on and switch-off delay).
5.3.12 Outputs
The device has 2 relay outputs, four semiconductor outputs (auxiliary outputs) and an ex-
pansion interface for 2 more safe relay outputs, which can be controlled separately.
Relay outputs
The relay outputs Rel. 1 and Rel. 2 are safety outputs, which are designed diversely. The
second shutdown route is via a common root relay (called "Relay control" in the block dia-
gram). This means that, should an error occur, in the event of a welded relay contact for ex-
ample, both relay outputs are shut down via the root relay.
Rel. 1: Terminals 13-14
Rel. 2: Terminals 23-24
Semiconductor outputs
The semiconductor outputs Out 1 to Out 4 are outputs for standard applications.
The semiconductor outputs can be operated in normally de-energised or normally ener-
gised mode.
Out 1: Terminal Y32
Out 2: Terminal Y33
Out 3: Terminal Y34
Out 4: Terminal Y35
External outputs on the expansion interface
The external outputs Ext.1 and Ext. 2 can be used for more safe relay outputs. To do this,
connect an appropriate expansion module to the expansion interface.
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