Application manual for PSRclassic and PSRmultifunction, and the modular safety relay system
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PHOENIX CONTACT 102597_en_03
5.1.3 PSR-ESAM4/2x1/1x2 up to PL e/SIL 3
Two-channel emergency stop monitoring with manual reset (with cross-circuit
detection)
Application example – Two-channel emergency stop monitoring
– Cross-circuit detection
– Ground fault detection (S11, S12)
– Manual reset (S12, S34)
– Feedback of contactor contacts K3 … K6 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 5-4 Two-channel emergency stop monitoring with manual 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
– Monitored 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
K5
K6
M
A1 2313
31
A2 S34 S35 2414
32
()()
PSR-ESAM4/2x1
SS1211
S21 S22
(+)
()
()
(GND)
S2
M
(N)
24
L+
K3
K4
K5
K6
K4
K3
S1
K6
K5
L1
230V
Emergency
stop
Reset