PPCC322BE HIEE300900R0001 control module

System Controller The system controller handles the entire data transfer between the various components of the module: ƒ Safety-related processor system ƒ System busses A and B ƒ Ethernet switch with connected interfaces The module has a RAM and a non-volatile memory. The non-volatile memory is protected by a CRC. The non-volatile memory contains the following programs and information: ƒ Operating System ƒ User project ƒ Enable switch, watchdog time, safety time ƒ Online modifications ƒ Variable with the RETAIN attribute ƒ Production data and, if necessary, trimming data ƒ Fault status history ƒ Events While booting, the system transfers the program code from the non-volatile memory to the redundant program and data memory.

Alarms and Events 

The processor module records alarms and other events in its non-volatile memory. Events are state changes of a variable that are performed by the plant or controllers and are provided with a timestamp. Alarms are events that signalize an increasing risk potential. The HIMax system records the state changes as events specifying the time point when they occurred. The X-OPC server transfers the events to other systems such as control systems, that display or evaluate the events. HIMax differentiate between Boolean and scalar events.

Boolean Events: 

ƒ Changes of Boolean variables, e.g., of digital inputs. ƒ Alarm and normal state: They can be arbitrarily assigned to the variable states. Scalar Events: ƒ Exceedance of the limit values defined for a scalar variable. ƒ Scalar variables have a numeric data type e.g., INT, REAL. ƒ Two upper limits and two lower limits are possible. ƒ For the limit values, the following condition must be met: Highest limit ≥ upper limit ≥ normal area ≥ lower limit ≥ lowest limit. ƒ An hysteresis can be effective in the following cases: - If the value falls below the upper limit. - If the value exceeds the lower limit. An hysteresis is defined to avoid a needless large number of events when a global variable strongly oscillate around a limit. The processor module can only create events if they are configured in SILworX, see Chapter 4.1.5.

The main products

Spare parts spare parts, the DCS control system of PLC system and the robot system spare parts,

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