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

Application manual for PSRclassic and PSRmultifunction, and the modular safety relay system
76 / 136
PHOENIX CONTACT 102597_en_03
5.4.1 PSR-ESAM4/2x1/1x2 up to PL e/SIL 3
Three-stage enable switch monitoring with automatic reset (with cross-circuit
detection)
Application example – Three-stage enable switch monitoring
– Cross-circuit detection
– Ground fault detection (S11, S12 only)
– Automatic reset (S12, S35)
– Feedback of contactor contacts K3 and K4 at S35
– 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 5-21 Three-stage enable switch monitoring with automatic reset
PSR-ESAM4/2x1/1x2
Order No. 2900525 with screw connection
2900526 with spring-cage connection
Technical data – 24 V AC/DC
– 2 enabling current paths, 1 signaling current path
– Manual start or autostart
– Reinforced insulation
– Cat. 4, PL e in accordance with EN ISO 13849-1, SILCL 3
in accordance with EN 62061
K3
K4
M
A1 2313
31
A2 S34 S35 2414
32
() ()
PSR-ESAM4/2x1/1x2
SS1211
S21 S22
(+)
()
()
(GND)
M
(N)
(L1)
L+
K4
K3
K4
K3
E1 E2 E3 E4
42322414 41312313
1
2
3
B1
2
1
3
3
Q0 Q1 Q2
PLC / SPS
I0
I1
S1
Start
enable switch

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

General

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