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PSEN 2.1a/b-20
Pin assignment
The safety switch is shown in an unoperated condition.
Assignment of
the 4-pin con-
nector
Requirements and connection to evaluation devices
For use of PSEN 2.1a/b-20 in accordance with DIN EN 60947-5-3 an evaluation device
must be connected.
Connect the PSEN 2.1a/b-20
}
either with a certified Pilz evaluation device
}
or with an evaluation device with defined properties
Certified Pilz evaluation devices are, for example:
}
PNOZelog for safety gate monitoring
– PNOZ e3.1p, PNOZ e3vp
– PNOZ e5.13p
}
PNOZmulti for safety gate monitoring
Configure the switch in the PNOZmulti Configurator with switch type 2.
}
PSS for safety gate monitoring with standard function block SB064, SB066 or
FS_Safety Gate
}
PSSuniversal PLC for safety gate monitoring with function block FS_SafetyGate
The correct connection to the respective evaluation device is described in the operating
manual for the evaluation device. Make sure that the connection is made in accordance
with the specifications in the operating manual for the selected evaluation device.
Defined properties of evaluation devices:
}
2-channel with feasibility monitoring
}
Open circuit monitoring of the safety switch is performed
}
Inputs and outputs on the evaluation device must fulfil the requirements of IEC 61131,
Type 3
}
Technical data of the evaluation device must fulfil the requirements in the
details [
– Always comply with the max. switching current safety contacts of PSEN 2.1a/b-20.
}
Outputs at the evaluation device must only be switched on again when both reed con-
tacts at the safety switch have been opened and closed (partial operation lock)
Operating Manual PSEN 2.1a/b-20
21205-EN-08
NOTICE
The colour marking for the connection lead only applies for the cable that
Pilz supplies as an accessory
1
2
4
3
14]
of PSEN 2.1a/b-20
brown
[1]
white
[2]
blue
[3+]
black
[4]
Technical
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