GE GFK0579B user manual Fault Bytes 4, Fault Bytes 6

Models: GFK0579B

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9

Fault Byte 3

byte 2

7 6

5 4 3 2 1 0

Fault record number (always 0)

Number of fault records

Fault Bytes 4 and 5

Fault bytes 4 and 5 (bytes 3 and 4 of the datagram) identify the reference offset (within the Remote I/O Scanner itself) assigned to the faulted module. This is an internal reference, not a Series 90±70 reference.

byte 3

7 6 5 4 3 2 1 0

Diagnostic reference address, LSB

byte 4

7 6 5 4 3 2 1 0

Diagnostic reference address, MSB

Fault Bytes 6 and 7

Fault bytes 6 and 7 (datagram bytes 5 and 6) are interpreted by the Series 90±70 Bus Controller automatically. They are not relevant to other types of host.

byte 5

7 6 5 4 3 2 1 0

byte 6

7 6 5 4 3 2 1 0

Number of Series 90±70 fault entries to set (bit 7 = 1) OR: Fault byte mask for S90±70 Bus Controller dual port (bit 7 = 0).

Fault entire I/O module

Entity offset into diagnostic table

Fault entire Remote I/O Scanner

Chapter 9 Remote I/O Scanner Datagrams

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GE GFK0579B user manual Fault Bytes 4, Fault Bytes 6