Application manual for PSRclassic and PSRmultifunction, and the modular safety relay system
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PHOENIX CONTACT 102597_en_03
5.6.2 PSR-URM4/4NO/2NC 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
– Manual reset (S12, S34) at safety relay KS1
– Feedback of contactor contacts K3 … K8 and KS2 at S34 at safety relay KS1
– 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 5-27 Application example: emergency stop monitoring with contact extension
PSR-ESAM4/3x1/1x2/B and PSR-URM4/4NO/2NC
Order No. 2702924 with screw connection
2702925 with spring-cage connection
Technical data – 24 V AC/DC
– 4 enabling current paths, 1 signaling current path, and 1 con-
firmation current path
– Basic insulation
– Cat. 4, PL e in accordance with EN ISO 13849-1, SILCL 3 in
accordance with EN 62061
M
(N)
41
14 24 34 42
61
K4
K5
K6
K7
K8
S2
S1
34 62
PSR-...-42-48UC/ESAM4/3X1/1X2B
PSR-...-42-230UC/URM4/...
K3
K4
M
K5
K6
MM
K7
K8
M
L+ 48 UC
A1 S11 S12
S21
S22
K3
A2
S34
M
(N)
K3
K4
A1
51 52
13
23 33 43
A2
14 24 44
M
(N)
K5
K6
K7
K8
13 23 33
M
(N)
(+)( ) (GND) ( )
( )
Emergency
stop
Reset