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Slave diagnostics
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(Original Document)
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Slave diagnostics
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(Original Document)
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Bytes
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Structure
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Description
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0
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bit 0: NOT_REACHABLE
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bit 0=1 if the slave is not connected or switched off.
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bit 1: NOT_READY
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bit 1=1 if the slave is not ready for data exchanges.
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bit 2: CONFIG_FAULT
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bit 2=1 if there is a configuration error on the slave when test requested.
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bit 3: EXT_DIAG
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bit 3=1 if there are extended diagnostics (byte 7 at FFh in hexadecimal).
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bit 4: NOT_SUPPORTED
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bit 4=1 if the function is not supported by the slave.
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bit 5: INVALID_RSP
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bit 5=1 if there is an error in the last response from the slave.
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bit 6: PARAM_FAULT
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bit 6=1 if there is an error in the last parametering message from the slave.
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bit 7: MASTER_LOCK
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bit 7=1 if the slave has already been parameterized by another master module.
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1
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bit 0: PRM_REQUIRED
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bit 0=1 if the slave has to be reconfigured and re-parameterized.
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bit 1: DIAG_DATA_RDY
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bit 1=1 if the slave has generated a diagnostics to be processed by the master.
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bit 2: IS_SLAVE_DIAG
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bit 2=0 if the diagnostics has been created by the master.
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bit 2=1 if the diagnostics has been created by the slave.
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||
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bit 3: WDT_ACTIVE
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bit 3=1 if the slave watchdog is active.
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bit 4: FREEZE_MODE
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bit 4=1 if the slave inputs selected are frozen.
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bit 5: SYNC_MODE
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bit 5=1 if the slave outputs selected are frozen.
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bit 6:
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not used.
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bit 7: INACTIVE
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bit 7=1 if the slave is inactive (excluded from processing).
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2
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bit 0 to 6
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Not used.
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bit 7: DIAG_OVERFLOW
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bit 7=1 if the number of diagnostics exceeds the size of the receive words.
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3
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MASTER_ADDRESS
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Address of the master module that sets the parameters for the slave.
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4/5
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PNO_IDENTIFIER
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Identification code for the slave.
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6...244
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SPECIFIC_DIAG
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Optional specific diagnostics data.
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