Phoenix Contact 2702924, User Manual

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Application manual for PSRclassic and PSRmultifunction, and the modular safety relay system
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PHOENIX CONTACT 102597_en_03
5.5.1 PSR-THC4/2x1/1x2 up to PL e/SIL 3
Two-hand control device monitoring
Application example – Two-hand control device monitoring
– Cross-circuit detection/ground fault detection
– Automatic reset (Y1, Y2)
– Feedback of contactor contacts K3 and K4 at Y1 and Y2
– Monitoring of external contactors
– Safety level of the example up to PL e (EN ISO 13849-1) and SIL 3 (EN 62061)
Figure 5-25 Two-hand control device monitoring
PSR-THC4/2x1/1x2
Order No. 2963721 with screw connection
2963983 with spring-cage connection
Technical data – 24 V AC/DC
– 2 enabling current paths, 1 signaling current path
– Reinforced insulation
– Two-hand and safety door control module in accordance with
EN 574, type IIIC
– 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 Y1 Y2 24 14
32
( )
PSR-THC4/2x1/1x2
S S 14 11
(+)
( )
(+)
M
(N)
(L1)
L+
K4
K3
K4
K3
S2
S12
( )
S22 S24
S21
(GND)
S21 S24 S22
S1
S11 S14 S12
Two-hand control switch