Description of system components
8.9 Fail-safe digital module (DM-F)
SIMOCODE pro
148 System Manual, 05/2019, A5E40507475002A/RS-AD/004
8.9 Fail-safe digital module (DM-F)
Requirements and safety-related functions of the DM-F fail-safe digital modules
The fail-safe digital module DM-F extends the SIMOCODE pro motor management system
with fail-safe functions for switching off motors:
● DM-F Local fail-safe digital module
● DM-F PROFIsafe fail-safe digital module
These modules conform to the general requirements for emergency stop devices or safety
circuits described in EN 418 and EN 60204-1 (06.2006).
With appropriate external circuitry, the following performance levels / safety integrity levels
can be achieved:
● PL e with Category 4 according to ISO 13849-1 or
● SIL 3 according to IEC 61508 / 62061.
Safety engineering and safety-related functions:
● These are exclusively restricted to the fail-safe digital modules.
● They therefore have no direct impact on existing SIMOCODE pro components and
concepts.
LEDs for DM-F device diagnostics: See Chapter Technical data (Page 329) and / or Manual
SIMOCODE pro fail-safe digital modules
(https://support.automation.siemens.com/WW/view/en/50564852
).
"TEST/RESET" DM-F button, setting the DM-F DIP switches, DM-F system interfaces:
See Manual SIMOCODE pro fail-safe digital modules
(
https://support.automation.siemens.com/WW/view/en/50564852).
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