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Phoenix Contact PSR-ESA2/4x1/1x2/B User Manual

Phoenix Contact PSR-ESA2/4x1/1x2/B
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Application examples for conventional PSRclassic safety relays
102597_en_03 PHOENIX CONTACT 69 / 136
Function description
For additional diagnostic descriptions, please refer to Section 8.
Notes on theapplication
example
1. Contactors K5 and K6 have mirror contacts in accordance with EN 60947-4-1.
2. Stop category 0 describes an immediate stop by removal of power by interrupting a
machine or drive element in accordance with EN 60204-1.
3. When using the safety relay, take into consideration the maximum permissible number
of cycles for observing the SIL/PL safety characteristics in the specific application. The
safety characteristics can be found in the AH EN SAFETY CHARACTERISTICS appli-
cation note or the SISTEMA library.
Start Action Result Diagnostics
1. Close the safety door. The safety door circuit closes enable circuit S12 and S22 of
the safety relay.
2. Press reset button S2. Contactors K5 and K6 are activated and the mirror contacts
(N/C contacts of K5 and K6) in the reset circuit are opened.
Stop Action Result Diagnostics
1. Open the safety door. The safety function is triggered and contactors K5 and K6
drop out.
In the reset circuit, the mirror contacts of K5 and K6 are
closed.
After the preset time, the dropout delayed enable contacts of
the safety relay drop out.
Power
K1/K2
K3(t) K4(t)
Power
K1/K2
K3(t) K4(t)
Power
K1/K2
K3(t) K4(t)
Power
K1/K2
K3(t) K4(t)

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Phoenix Contact PSR-ESA2/4x1/1x2/B Specifications

General IconGeneral
BrandPhoenix Contact
ModelPSR-ESA2/4x1/1x2/B
CategoryRelays
LanguageEnglish

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