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Installation manual
HB-37420-810-01-25F-EN SMX100 Installation manual.docx
Page 121 of 260
Version: 25F
Output SMX
Actuator /
external shut-
down circuit
Categor
y acc. to
EN13849
-1
DC
MTTF
D
Actuat
or
Achieva
ble PI
acc. to
EN
13849-1
Boundary
conditions
Fault
exclusion
Dual-channel
without
dynamic
output test
Q1 and Q2
2 x
IQQ01..IQQ40
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%
Monitoring
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 IQQ1..401 x
each from different
groups (groups of
6/4 contiguous IQQ-
ports each, e.g.
IQQ1..6, IQQ7..10)
or
Time-shifted
triggering on PLC
level
Short circuit
on external
control
Dual-channel
Q1 and Q2
or
Dual-channel
with dynamic
output test
Q1_PP and,
Q2_PN,
Q3_PP and
Q4_PN
2 x
IQQ01..IQQ40
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%
Monitoring
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