Fail-Safe Modules
7.6 EM 4 F-DI/3 F-DO DC24V PROFIsafe digital electronic module
ET 200S Distributed I/O System - Fail-Safe Modules
142 Installation and Operating Manual, 08/2008, A5E00103686-07
7.6.4 EM 4 F-DI/3 F-DO DC24V PROFIsafe parameters
Parameters in
STEP 7
The table below lists the parameters that can be set for the EM 4 F-DI/3 F-DO DC24V
PROFIsafe.
Table 7- 27 Parameters of the EM 4 F-DI/3 F-DO DC24V PROFIsafe
Parameter Range Default Type of
Parameter
Effective
Range
F-Parameters:
F_destination_address 1 to 1022 is assigned
by
STEP 7
Static Module
F monitoring time 10 to 10000 ms 150 ms Static Module
Module-specific input parameters
Short-circuit test Cyclic/disabled Cyclic Static Module
Behavior after channel
faults*
Passivate the entire
module/Passivate the
channel
Passivate the
entire module
Static Module
Channel n, n+4 Activated/deactivated Activated Static Channel
group
Sensor supply internal/external internal Static Channel
group
Sensor evaluation 1oo2 evaluation 1oo2
evaluation
Static Channel
group
Type of sensor
interconnection
1-channel
2-channel equivalent;
2-channel, non-
equivalent
2-channel
equivalent
Static Channel
group
Behavior of discrepancy Provide last valid value;
provide 0 value
Provide last
valid value
Static Channel
group
Discrepancy time 10 to 30000 ms 10 ms Static Channel
group
Reintegration after
discrepancy error
Zero signal test not
required/Zero signal
test required
Zero signal
test not
required
Static Channel
group
Module-specific output parameters:
Behavior after channel
faults*
Passivate the entire
module/Passivate the
channel
Passivate the
entire module
Static Module
DO channel n Activated/deactivated Activated Static Channel
Readback time 1 to 400 ms 1 ms Static Channel
* This setting is only relevant when
S7 Distributed Safety
V5.4 or higher is installed.
Short-circuit test parameter
This parameter can be used to activate short-circuit detection for channels set up for
"internal sensor supply."
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