Application manual for PSRclassic and PSRmultifunction, and the modular safety relay system
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
23
13
31
A2
S34
S35
24
14
32
( )
( )
PSR-ESAM4/2x1/1x2
S
S
12
11
S21
S22
(+)
( )
( )
(GND)
M
(N)
(L1)
L+
K4
K3
K4
K3
E1
E2
E3
E4
42
32
24
14
41
31
23
13
1
2
3
B1
2
1
3
3
Q
0
Q
1
Q
2
PLC / SPS
I0
I1
S1
Start
enable switch
Summary of Contents for 2702924
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