Overview of the Compound Safety PLC CODESYS Safety SIL2 extends the CODESYS programming system with the functionality "Compound Safety PLC". A Compound Safety PLC comprises a safety application and a
Handling of the Compound Safety PLC Because the Compound Safety PLC consists of a structured relationship between multiple Safety controllers and standard controllers, a special handling for some stan
EVC, Exchange Variable Connection This mechanism simplifies the data exchange between the safety application and the standard application in a Compound Safety PLC. The EVC mechanism uses an editor to
EVL, Exchange Variable List This EVL object is a special type of Global Variable List (GVL) which can be used for exchanging unsafe data between a safety PLC and an unsafe PLC in a Compound Safety PLC
Diagnosis in the User Interface Device tree In online mode, the device tree allows for an exact pinpointing of a pending diagnosis. The error flag (red symbol) indicates a hard error, such as an incor
Configuration Tip See the general description for information about the following tabs of the device editor. Tab: <device name> I/O Mapping Tab: <device name> IEC Objects Tab: <device name> Parameters
Field Device NetX – General Object: PROFINET Field Device The tab displays the basic communication settings. Use remanent data The IP settings and the station name of the file are used. Initially, the
Module – General Object: PROFINET Module Table 12 . Module Information ID number Identification of the module (from the device description). Slot number Position of the I/O module below the I/O device
Field Device – General Object: PROFINET Field Device The tab displays the basic communication settings. According to the PROFINET standard, the PROFINET Device is responsible for the IP settings of th