System variables and status information
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8.6 Control processor
The system variables in Table 8-6 show the states of the diagnostic status register on the
control processor of the controller.
The system variable in Table 8-7 shows status information regarding the control processor
of the controller.
8.7 Ethernet interfaces
Table 8-6 System variables of the control processor
System variable Type Meaning
COP_DIAG_STATUS_REG_RT_ERR BOOL A runtime error (out of real-time) has occurred on the control
processor.
COP_DIAG_STATUS_REG_FAT_ERR BOOL A fatal error has occurred on the control processor. Division by
zero, for example, leads to a fatal error.
COP_DIAG_STATUS_REG_WARN BOOL A warning has been issued on the control processor.
COP_DIAG_STATUS_REG_PON BOOL Power ON (COP): the control processor is ready to operate.
COP_DIAG_STATUS_REG_FC_RUN BOOL Runtime system RUN
COP_DIAG_STATUS_REG_FC_STOP BOOL Runtime system STOP
COP_DIAG_STATUS_REG_FC_HALT BOOL Runtime system HALT
COP_DIAG_STATUS_REG_FC_LDG BOOL Runtime system LOADING
COP_DIAG_STATUS_REG_FC_DBG BOOL Runtime system DEBUG
COP_DIAG_STATUS_REG_FC_RDO BOOL Runtime system READONLY
COP_DIAG_PARAM_REG WORD Diagnostic parameter register of the control processor
COP_DIAG_PARAM_2_REG WORD Extended diagnostic parameter register of the control proces-
sor
Table 8-7 System variable of the control processor for displaying state information
System variable Type Meaning
COP_CPU_LOAD_WARNING BOOL The control processor is approaching its processor capacity
limits.
Table 8-8 System variables of the Ethernet interfaces
System variable Type Meaning
LAN_PORT1_1_LINK BOOL
Link status of the Ethernet interface X1
TRUE: Connection established successfully (LINK)
FALSE: Connection not established successfully
LAN_PORT1_2_LINK BOOL
Link status of the Ethernet interface X2
TRUE: Connection established successfully (LINK)
FALSE: Connection not established successfully
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