Phoenix Contact 2702924, User Manual

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Application manual for PSRclassic and PSRmultifunction, and the modular safety relay system
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PHOENIX CONTACT 102597_en_03
7.2.1 PSR-URM4/4x1/2x2/B up to PL e/SIL 3
Two-channel emergency stop monitoring with contact extension and manual reset
(with cross-circuit detection)
Application example – Two-channel emergency stop monitoring with contact extension
– Cross-circuit detection
– Ground fault detection (S11, S12 only)
– Manual reset (S33, S34)
– Feedback of contactor contacts K3 … K6 at S33 and S34
– Stop category 0
– Monitoring of external contactors
– Safety level of the example up to PL e (EN ISO 13849-1) and SIL 3 (EN 62061)
Figure 7-5 Two-channel emergency stop monitoring with contact extension and man-
ual reset
PSR-SDC4/2x1/B and PSR-URM4/4x1/2x2/B
Order No. 2981677 with screw connection
2981680 with spring-cage connection
Technical data – 24 V AC/DC
– 4 enabling current paths, 1 signaling current path, and 1 sig-
nal contact
– Basic insulation
– Cat. 4/PL e in accordance with EN ISO 13849-1, SILCL 3 in
accordance with EN 62061