schmersal PSC1 Series Installation Manual page 75

Installation manual
X21
Q1_PP
Q2_PN
Q3_PP
Q4_PN
X12
I13
I14
T1
T2
X13
NC
NC
Y1
Y2
L +
L -
Figure: Single-channel switching output Q1_PP with dual-channel external circuit as
combination of electromechanical element and hydraulic/pneumatic valve monitoring on two
inputs
Safety instructions:

Only recommended to a limited extent for safety applications! On this topic see also the
information in EN 13849-1 on usage and the fault exclusions necessary.

For PL c and higher a signalling/warning device is required that immediately makes
clear the hazardous situation to the operator

With increased requirements it is to be noted that at least 1 switching process must
take place every 24 hours to test the ability of the external contactor to switch.
HB-37350-810-01-38F-DE PSC1-C-10 Installation manual V1.1.docx
Version: 38F
Page 75 of 177