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

Application manual for PSRclassic and PSRmultifunction, and the modular safety relay system
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PHOENIX CONTACT 102597_en_03
3.2 Maximum cable lengths
Depending on the size of the machine or system, a considerable amount of cabling may be
required to wire the sensors.
Figure 3-2 Example for calculating the cable lengths
Make sure that the specified cable lengths are not exceeded, so as to ensure error-free
operation of the safety relay.
L+
(L1)
M
(N)
R1 R2
R3
PSR-ESAM4
A1 S11 S12 S21 S22
13 23
A2 S34 S35
14 24
41
42
(+)
()
(GND)
()
()
()
33
34

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

General

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