Certified Modules
The M580 safety PAC is a safety-related system certified by TÜV Rheinland Group, according to:
SIL3 / IEC 61508 / IEC 61511
SIL4 / EN 50128 (IEC 62279), EN 50129 (IEC 62245), EN 50126 (IEC 62278)
SIL CL3 / IEC 62061
PLe, Cat. 4 / ISO 13849-1
CIP Safety IEC 61784-3
It is based on the M580 family of programmable automation controllers (PACs). The following Schneider Electric M580 safety modules are certified:
BMEP582040S standalone CPU
BMEP584040S standalone CPU
BMEP586040S standalone CPU
BMEH582040S Hot Standby CPU
BMEH584040S Hot Standby CPU
BMEH586040S Hot Standby CPU
BMEP58CPROS3 co-processor
BMXSAI0410 analog input module
BMXSDI1602 digital input module
BMXSDO0802 digital output module
BMXSRA0405 digital relay output module
BMXCPS4002S power supply
BMXCPS4022S power supply
BMXCPS3522S power supply
Each time in the document is mentioned SIL2 or SIL3 without a standard reference this is regarding IEC 61508 / IEC 61511.
Each time SIL2 is mentioned, it is also SIL3 regarding EN 50126 / EN 50128 / EN 50129.
Each time SIL3 is mentioned, it is also SIL4 regarding EN 50126 / EN 50128 / EN 50129.
You can find the most recent information on the certified product versions on the TÜV Rheinland Group website: www.certipedia.com or www.fs-products.com.
Replacing a CPU
It is possible to replace a BME•58•040S CPU with another BME•58•040S. However, the replacement does not work if the following limitations are exceeded :
number of I/O
number of I/O drops
number of variables
application memory size
Refer to the topics:
Configuration Compatibility in the Modicon M580 Hot Standby System Planning Guide for Frequently Used Architectures for a description of Control Expert applications that are compatible with safety and Hot Standby CPUs.
M580 CPU & Copro Performance Characteristics in the Modicon M580 Safety System Planning Guide for a description of CPU limitations.