HA_CS31_CONTROL - HA Control FB

Function Block HA_CS31_CONTROL

General Information

Available as of PLC runtime system	V1.3 and above
Included in library	HA_CS31_AC500_V13.lib (V1.3) and above
Type	Function Block with historical values.

This function block handles HA-CS31 operation such as change over from primary to secondary CPU in case of an error with related diagnosis. Further it is used for data transfer between high availability CPUs. This is a mandatory function block for high availability application. HA_CS31_CONTROL receives the status data from all seven CS31 lines and sends back the control data.

This function block works with the respective diagnosis function blocks for sending and receiving diagnosis information.

• Input Description
• Output Description
• Function Block Call in ST