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

Application manual for PSRclassic and PSRmultifunction, and the modular safety relay system
58 / 136
PHOENIX CONTACT 102597_en_03
5.3.1 PSR-ESA4/2x1/1x2 up to PL e/SIL 3
Two-channel safety door monitoring with automatic reset (with cross-circuit
detection)
Application example – Two-channel safety door monitoring with two position switches
– Cross-circuit detection
– Ground fault detection (S11, S12 only)
– Automatic reset (bridge S33, S34)
– Feedback of contactor contacts K3 and K4 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 5-13 Two-channel safety door monitoring with automatic reset
PSR-ESA4/2x1/1x2
Order No. 2963750 with screw connection
2963938 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/PLe in accordance with EN ISO 13849-1, SILCL 3 in
accordance with EN 62061
K3
K4
M
A1 2313
31
A2 S33 S34 2414
32
()
PSR-ESA4/2x1/1x2
SS1211
S21 S22
(+)
()
()
(+)
(GND)
M
(N)
(L1)
L+
K4
K3
K4
K3
B1
B2
13
21
14
22
open
closed
Safety door

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

General

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