Installation manual
Page 72 of204
Output
PSCBR
Actuator /
external shut-
down circuit
Catego
ry acc.
to
EN138
49-1
DC
MTTF
D
Actuat
or
Achiev
able PI
acc. to
EN
13849-
1
Boundary
conditions
Fault
exclusion
Dual-channel
without
dynamic
output test
Rel 1 and Rel
2
2 x
EAA1..EAA40
Dual-channel
Contactor, valve,
brake, etc. with
direct feedback
for diagnostics
at least in one
channel or
actuator with
safety function
cat. 4 (e.g. STO)
Cat. 3
90 %
Monitori
ng in
both
external
shut-
down
circuits
Medium
or High
d
Contactor and
downstream actuators
appropriately designed
for safety application
Monitoring of electro-
mechanical components
by means of positively
guided switches,
position monitoring of
control valves, etc.
Outputs EAA1..40, 1 x
each from different
groups (groups of 6/4
contiguous EAA-ports
each, e.g.
EAA1..6,EAA7..10)
or
Time-shifted triggering
on PLC level
Short circuit
on external
control
Dual-channel
Rel 1 and Rel
2
or
Dual-channel
with dynamic
output test
DO 0P and,
DO 0M,
DO 1P and
DO 1M
2 x
EAA1..EAA40
Dual-channel
Contactor, valve,
brake, etc. with
direct feedback
for diagnostics
at least in one
channel or
actuator with
safety function
cat. 4 (e.g. STO)
Cat. 4
99%
Monitori
ng in
both
external
shut-
down
circuits
High
e
Contactor and
downstream actuators
appropriately designed
for safety application
Monitoring of electro-
mechanical components
by means of positively
guided switches,
position monitoring of
control valves, etc.
For applications with
frequent safety shut-
down requests these
tests should be
performed more
frequently, e.g. at the
beginning of the shift, 1
x per week. However, a
test should at least be
carried out cyclically 1 x
year.
Short-circuit
in external
control in
both
channels
Summary of Contents for PSCBR-C-10 Series
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