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B Appendix: F-Parameters and iParameters
Table B-1
Overview of the F-Parameters for the module
F-Parameter
Default value
F_Source_
Automatic
Address
F_Destination_
Automatic
Address
F_WD_Time
150
F_SIL
SIL 3
F_CRC_Length
3-byte CRC
GFK-2734
B 1
F-Parameters
The values indicated in italics in Table B-1 are preset by the system and cannot be
modified manually.
Description
The parameter uniquely identifies the PROFIsafe source address (controller
address). The address is assigned automatically.
PROFIsafe destination address (address of the safe device).
The address is assigned automatically. However, the value can be modified.
Make sure that the value set under F_Destination_Address and the value that you
have set via the 10-pos. DIP switch are the same.
Value range: 1 ... 1022
Monitoring time in the safety module.
A valid current safety telegram must arrive from the safe controller within the
monitoring time. Otherwise, the safety module enters the safe state.
The selected monitoring time must be sufficiently high for telegram delays to be
tolerated by the communication, but still ensure a sufficiently fast error response in
the event of an error (e.g., interruption in communication).
Value range: 1 ... 65534, in 1 ms increments
Unit: ms
Safety integrity (SIL according to IEC 61508) of the safety module
WARNING:
Safety functions up to SIL 3 can be achieved with the safety module. The
safety integrity level that can actually be achieved depends on the
parameterization, the structure of the sensor, and the cable installation
(see "Connection examples for the safe relay outputs and the safety-
related segment circuit" on page 6-1).
This parameter transmits the length of the CRC2 code to be expected in the safety
telegram to the safe controller.
Chapter B Appendix: F-Parameters and iParameters
B-1
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