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PHOENIX CONTACT 107708_en_08
8.13 INTERBUS: master diagnostic status register
Information on the operating state of the INTERBUS master is stored in the diagnostic sta-
tus register. A specific INTERBUS master state is assigned to each bit in the diagnostic sta-
tus register.
The following system variables can be used to read the diagnostic status register informa-
tion.
PND_S1_INPUTS PND_IO_512 Input process data
Memory area for input process data that the PROFINET
device receives from the higher-level PROFINET control-
ler
PND_IO_DRIVEN_BYPLC INT Applicative system redundancy – number of the
PROFINET controller currently connected to the
PROFINET device.
Specifies the higher-level PROFINET controller from
which the data in the PROFINET device originates.
0: No PROFINET controller
1: PROFINET controller A
2: PROFINET controller B
Table 8-12 PROFINET system variables (PROFINET device functionality)
System variable Ty p e Description
Table 8-13 System variables of the master diagnostic status register
System variable Typ e Description
IB_DIAG_STATUS_REG_HI BYTE Master diagnostic status register, high byte
IB_DIAG_STATUS_REG_LOW BYTE Master diagnostic status register, low byte
IB_DIAG_STATUS_REG_SYSFAIL BOOL “System failure” error message
IB_DIAG_STATUS_REG_WARN BOOL Defined warning time exceeded
IB_DIAG_STATUS_REG_QUAL BOOL Defined error density exceeded
IB_DIAG_STATUS_REG_USER BOOL User error/parameterization error
IB_DIAG_STATUS_REG_PF BOOL Peripheral fault
IB_DIAG_STATUS_REG_BUS BOOL Bus error
IB_DIAG_STATUS_REG_CTRL BOOL INTERBUS master/hardware fault
IB_DIAG_STATUS_REG_DTC BOOL Diagnostic routine is active
IB_DIAG_STATUS_REG_RUN BOOL Data transmission is active
IB_DIAG_STATUS_REG_ACT BOOL Selected configuration is ready for operation
IB_DIAG_STATUS_REG_RDY BOOL The INTERBUS master is ready for operation
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