Safety and commissioning information for Ex areas
14.1 Motor protection functions (overload protection, thermistor protection)
SIMOCODE pro
312 System Manual, 05/2019, A5E40507475002A/RS-AD/004
14.1.3.10 Safety values
In a system with SIMOCODE pro basic units and current measuring modules, the
functionality of the SIMOCODE pro motor protection and control device is suitable for use in
safety functions up to safety integrity level SIL1.
This applies to the "low demand mode of operation" with a three-year test cycle for safety
functions as well as for the "high demand mode of operation".
● SFF
SIMOCODE
≥ 60 %
● PFH
Max, SIMOCODE
≤ 3 * 10
-6
1/h
● PFD
3a
≤ 3*10
-2
● HFT = 0 (single-channel system)
● T
UL
= 20 years
The failure rate was specified for a maximum ambient temperature of 60 °C.
The requirements demanded of SIL 1 are fulfilled with a reserve of 70% for sensors and
actuators.
14.1.4 Maintenance and repairs
These devices are maintenance-free.
Repairs to the device may only be carried out by the manufacturer.
14.1.5 Warranty
the conditions of the warranty, you must observe the safety and commissioning
instructions from the operating instructions.
You can find the Operating Instructions for SIMOCODE
pro listed in Chapter General
information about commissioning and service
(Page 255) or at Operating Instructions
https://support.industry.siemens.com/cs/ww/en/ps/16027/man) in the Industry
Support.
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