2
GFK-2731
Chapter 2 Product description
2-1
2 Product description
2.1
Note about the system description
The VersaSafe system is described in "Appendix: VersaSafe system" on page A-1.
In the description of the IC220SDL953 safety module, it is assumed that you are familiar
with the VersaSafe system. If this is not the case, please refer to "Appendix: VersaSafe
system" on page A-1 first for information about the system.
2.2
Brief description of the safety module
The IC220SDL953 module is designed for use within a VersaPoint station. The module
features integrated configurable safety logic and safe digital outputs.
The IC220SDL953 safety module can be used as part of a VersaPoint station at any point
within a VersaSafe system.
The transmission speed of the VersaPoint local bus can be set to 500 kbaud or 2 Mbaud
on the safety module using switches.
Use the same transmission speed throughout a VersaPoint station.
The module has a 10-pos. DIP switch, which is used to set the island number and
operating mode.
The module has four safe positive switching digital outputs for two-channel assignment or
eight safe positive switching digital outputs for single-channel assignment.
The outputs can be parameterized according to the application. The outputs enable
actuators to be integrated into the VersaSafe system.
Within a VersaSafe system, the IC220SDL953 safety module can be used to achieve
safety functions with the following requirements:
– Up to SIL 3 according to standard EN 61508
– Up to SIL CL 3 according to standard EN 62061
– Up to Cat. 4/PL e according to standard EN ISO 13849-1
Please also refer to "Achievable safety depending on the modules used" on page A-30.