C

Message (07): Read Exception Status

Format:

Address

Func

07

Error Check

Query

Address

Func

07

Data

Error Check

Normal Response

Query:

This query is a short form of request for the purpose of reading the first eight output points.

HAn address of zero is not allowed as this cannot be a broadcast request.

HThe function code is equal to 07.

Response:

HThe data field of the normal response is one byte in length and contains the states of output points 01 through 08. The output states are packed in order of number with output point one's state in the least significant bit and output point eight's state in the most significant bit.

GFK±0804B

Appendix C RTU Protocol

C-15

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GE GFK-0804B manual Message 07 Read Exception Status Format