Phoenix Contact ILC 330 Series, User Manual, Page: 73 / 96

System variables and status information
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4.1.5 Diagnostic status register
Information on the operating state of the Inline controller is stored in the diagnostic status
register. Each bit in the diagnostic status register is assigned a specific Inline controller
state.
The following system variables can be used to read the diagnostic status register
information.
Table 4-3 System variables of the diagnostic status register
System variable Type Meaning
MASTER_DIAG_STATUS_REG_USER BOOL User error/parameterization error
MASTER_DIAG_STATUS_REG_PF BOOL Peripheral fault
MASTER_DIAG_STATUS_REG_BUS BOOL Bus error
MASTER_DIAG_STATUS_REG_CTRL BOOL Error on the Inline controller/hardware fault
MASTER_DIAG_STATUS_REG_DTC BOOL Diagnostic routine is active
MASTER_DIAG_STATUS_REG_RUN BOOL Data transmission is active
MASTER_DIAG_STATUS_REG_ACT BOOL Selected configuration is ready to operate
MASTER_DIAG_STATUS_REG_RDY BOOL Inline controller is ready to operate
MASTER_DIAG_STATUS_REG_BSA BOOL Bus segment aborted
MASTER_DIAG_STATUS_REG_SYSFAIL BOOL System failure
MASTER_DIAG_STATUS_REG_RES BOOL Standard function processed negatively
MASTER_DIAG_STATUS_REG_SYNCRES BOOL Synchronization error occurred
MASTER_DIAG_STATUS_REG_DCR BOOL Faulty data cycles
MASTER_DIAG_STATUS_REG_WARN BOOL Defined warning time exceeded
MASTER_DIAG_STATUS_REG_QUAL BOOL Defined error density exceeded
MASTER_DIAG_STATUS_REG_SSINFO BOOL A message is present
MASTER_DIAG_STATUS_REG_HI BYTE Master diagnostic status register, high byte
MASTER_DIAG_STATUS_REG_LOW BYTE Master diagnostic status register, low byte