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

Application manual for PSRclassic and PSRmultifunction, and the modular safety relay system
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PHOENIX CONTACT 102597_en_03
5.4.2 PSR-ESAM4/3x1/1x2/B up to PL e/SIL 3
Two-stage enable switch monitoring with manual reset (with cross-circuit
detection)
Application example – Two-stage enable switch monitoring
– Cross-circuit detection
– Ground fault detection (S11, S12 only)
– Manual reset (S12, S34)
– Feedback of contactor contacts K3 and K4 at 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 5-22 Two-stage enable switch monitoring with manual reset
PSR-ESAM4/3x1/1x2/B
Order No. 2900509 with screw connection
2900510 with spring-cage connection
Technical data – 24 V AC/DC
– 3 enabling current paths, 1 signaling current path
– Manual start or autostart
– Basic insulation
– Cat. 4, PL e in accordance with EN ISO 13849-1, SILCL 3
in accordance with EN 62061
K3
K4
M
M
(N)
(L1)
L+
K4
K3
E2
2423
1
2
B1
2
1
2
K3
K4
E1
1413
A1 23 3313
41
A2 S34 S35 24 3414
42
() ()
PSR-ESAM4/3x1/1x2/B
SS1211
S21 S22
(+)
()
()
(GND)
Q0 Q1 Q2
PLC / SPS
I0
I1
S1
enable switch
Start

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

General

Brand	Phoenix Contact
Model	PSR-ESA2/4x1/1x2/B
Category	Relays
Language	English