Emc Requirements - Pilz PSEN ml b 1.1 Operating Manual

Wiring
5.3

EMC requirements

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Ensure the wiring and EMC requirements of EN 60204-1 are met.
}
UL requirement: The supply voltage to the safety switch must be protected with a quick-
acting fuse (see
}
The inputs and outputs of the safety switch must have a protective separation to voltages
over 60 VDC.
}
The power supply must meet the regulations for extra low voltages with protective elec-
trical separation (SELV, PELV).
Operating Manual PSEN ml b 1.1/2.1/2.2
1003884-EN-12
Technical details [
INFORMATION
Only use safety relays with a 24 VDC supply voltage. Safety relays with a
wide-range power supply or in AC device versions have internal potential
isolation and are not suitable as evaluation devices.
65]).
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