Description of system components
8.9 Fail-safe digital module (DM-F)
SIMOCODE pro
System Manual, 05/2019, A5E40507475002A/RS-AD/004
149
Documentation for safety-related functions and fail-safe digital modules
Safety-related functions and additional information on fail-safe digital modules can be found
in the following documentation:
● Manual SIMOCODE pro fail-safe digital modules
(https://support.automation.siemens.com/WW/view/en/50564852
)
● Operating Instructions "Fail-safe Digital Module DM-F Local"
● Operating Instructions "Fail-safe Digital Module DM-F PROFIsafe"
You can find the manual and operating instructions under Manuals/operating instructions
(https://support.industry.siemens.com/cs/ww/en/ps/16027/man
)
The fail-safe DM-F Local digital module facilitates safety-related tripping of a motor feeder by
means of a hardware signal that is detected and evaluated by the module.
From a non-safety-related perspective, the DM-F module comprises:
Table 8- 5 Inputs, outputs and voltage supply to the digital module Fail-safe Local (DM-F Local)
4 non-safety-related digital
inputs:
• Input 1: Sensor circuit
• Input 2: Start input
• Input 3: Feedback circuit
• Input 4: Cascading input
24 V DC 2 non-safety-related monostable
relay outputs
The fail-safe DM-F PROFIsafe digital module provides safety-related tripping of a motor
feeder by a fail-safe control (F-CPU) via PROFIBUS with the fail-safe PROFIsafe profile.
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