schmersal PSC1-C-10 Series User Manual

Installation manual
HB-37350-810-01-50F-EN PSC1-C-10 Installation manual V2.1.docx Page 82 of 189
Version: 50F
4.3.4.1.3 Single-channel switching relay or semiconductor output with dual-channel external
circuit with testing
For safety applications from PL c according to EN ISO 13849-1 it is recommended or required
to operate two external shutdown elements. In addition, a device for testing the complete chain
and a signalling/warning device on the detection of a fault are required to achieve PL c or
higher – see comments in 4.3.4.1.2.
Q0_P
X21
X12
Q1_N
Q2_P
Q3_N
NC
NC
Y0
Y1
X13
I12
I13
T0
T1
L +
L -
Single-channel switching output Q0_P with dual-channel external circuit and monitoring on input 12 as collective
feedback
The two external monitoring contacts are connected in series, supplied with pulse signal T0
and read via input 12. Input 12 was used as the readback input, however it is also possible to
use any another input.

schmersal PSC1-C-10 Series Specifications

General

Brand	schmersal
Model	PSC1-C-10 Series
Category	Control Unit
Language	English