Notes On Connections - Pilz PSEN op2H Instrucciones De Uso

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Operating Manual

4.1. Notes on connections

To ensure the correct operation of the PSEN op2H safety device,
please note the following:
Under no circumstances should the connection cables come into
contact with or be laid in proximity to cables that generate strong
electromagnetic interference (e.g.: motor feeds, inverters etc.);
these could compromise the device's ability to function.
Multicore cables may not be used to connect the outputs of more
than one light curtain.
The TEST input should be connected to the supply voltage of the
receiver (RX) on the ESPE via a button with a N/C contact. The test
should be performed manually (by pressing the button) at least
once a day in order to check the proper operation of the safety
device.
If the TEST input is connected to 0 VDC when the ESPE is
switched on, the safety curtain will switch to guard mode (BREAK
condition) (see Ch. 7 "Diagnostic function").
The TEST button must be positioned in such a way that the
operator has a clear view of the protected area when test
procedures are in progress (see Ch. 6 "START mode").
With protection class 3, earthing of the transmitter and receiver is
not permitted; SELV/PELV power supplies must be used.
If evaluation devices or a supply voltage
are connected without safe separation,
the light barrier must be operated in
protection class 1. In this case, the
transmitter and receiver must be labelled
with the protective earth symbol and must
be
earthed
using
a
Both
are
supplied
with
The special screw replaces one of the
cover screws.
19
PSEN op2H Series
special
screw.
the
unit.
connect to
earth reference

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