schmersal PSC1 Series Installation Manual page 158

Installation manual
Example software specification
Seq. Safety function
no.
1.4 Monitoring V_rope in
relation to V_required
Monitoring of the difference
between main drive speed
and rope drive for maximum
value
1.6 Backstop
Monitoring for return
1.15 Stepwise shutdown 3
Activation of the safety
brake
1.8 Functional standstill
1.9 Direction monitoring
PSC1-C-10 Installation manual V2.7
Version: 57E
PLr Measured value New solution
/sensor
d Digital Monitoring using tested function SLS +
incremental SAC with comparison of speed ranges /
encoder, analogue value range = comparison for
diagnostics on the speed acquisition
tacho generator
sheave Shutdown 2-channel new (see below)
d Mechanical limit Monitoring using tested function,
switch 22S2 direction monitoring SDI
Digital
incremental
encoder
e - Processing of SF in SafePLC2
d Digital Standstill monitoring using tested
incremental function SOS
encoder
e Digital Monitoring using tested function,
incremental direction monitoring SDI
encoder,
Input/activation
Continuous
Reset:
Reset button
NOT (auxiliary contact
28K4 – inspection
movement)
Reset:
Reset button
SF 1.2
SF 1.3.2
SF 1.7
SF 1.8
Controller disable
OR
Set service brake
28K1 = FORWARD
28K2 = BACK
Page 158 of 174
Response/output
Operating stop
SF 1.3.1
Operating stop
SF 1.3.1
Set safety brake
SF 1.15/
Set safety brake
Operating stop
SF 1.3.1