Application manual for PSRclassic and PSRmultifunction, and the modular safety relay system
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PHOENIX CONTACT 102597_en_03
7.1.3 PSR-SDC4/2x1/B up to PL e/SIL 3
Two-channel, non-equivalent safety door monitoring with manual reset
Application example – Two-channel, non-equivalent safety door monitoring with one magnetic safety switch
– Ground fault detection
– Manual reset (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 7-4 Two-channel safety door monitoring with manual reset
PSR-SDC4/2x1/B
Order No. 2981486 with screw connection
2981499 with spring-cage connection
Technical data – 24 V AC/DC
– 2 enabling current paths, 1 semiconductor signaling current
path
– Monitored manual start or autostart
– Basic insulation
– Cat. 4/PL e in accordance with EN ISO 13849-1, SILCL 3 in
accordance with EN 62061
M
(N)
(L1)
L+
S1
K4
K3
K3
K4
A1 2313
A2
S33 S34 S35 2414
() ()
PSR-SDC4/2x1/B
SS1110
(+)
()
(+)
S12
()
A1
A2
K1/K2
S33
Y1
Y30
()
Y1
()
S13
()
S22
()
A1
A2
K1/K2
S33
Y1
(GND)
11
12
13
14
Safety
solenoid switch
Reset