schmersal PSC1 - Page 183

Installation manual
HB-37420-810-01-25F-EN PSC1-C-100 Installation manual - V2.2.docx Page 183 of 201
Version: 38F
Example software specification
Seq
. no.
Safety function PL
r
Measured
value
/sensor
New solution Input/activation Response/output
1.4 Monitoring V_rope in
relation to V_required
Monitoring of the
difference between main
drive speed and rope drive
for maximum value
d Digital
incremental
encoder,
tacho generator
sheave
Monitoring using tested function SLS
+ SAC with comparison of speed
ranges / analogue value range =
comparison for diagnostics on the
speed acquisition
Shutdown 2-channel new (see
below)
Continuous
Reset:
Reset button
Operating stop
SF 1.3.1
1.6 Backstop
Monitoring for return
d Mechanical limit
switch 22S2
Digital
incremental
encoder
Monitoring using tested function,
direction monitoring SDI
EMERGENCY
(auxiliary contact
28K4 – inspection
movement)
Reset:
Reset button
Operating stop
SF 1.3.1
1.15 Stepwise shutdown 3
Activation of the safety
brake
e - Processing of SF in SafePLC2 SF 1.2
SF 1.3.2
SF 1.7
SF 1.8
Set safety brake
1.8 Functional standstill d Digital
incremental
encoder
Standstill monitoring using tested
function SOS
Controller disable
OR
Set service brake
SF 1.15/
Set safety brake
1.9 Direction monitoring e Digital
incremental
encoder,
Monitoring using tested function,
direction monitoring SDI
28K1 = FORWARD
28K2 = BACK
Operating stop
SF 1.3.1