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Slave answers (sub-function 14), Unsent slave answers (sub-function 15), Number of error answers (sub-function 16) – BECKHOFF BC7300 User Manual

Page 36

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MODBUS

36

BC7300

Slave Answers (Sub-Function 14)

Contains the number of answers that the slave has sent.

Sub-function

Data field (query)

Data field (response)

00 0E

00 00

Slave Message Count

Unsent Slave Answers (Sub-Function 15)

Contains the number of answers that the slave has not sent. For example,
the slave does not send an answer to a broadcast message.

Sub-function

Data field (query)

Data field (response)

00 0F

00 00

Slave No Response
Count

Number of Error Answers (Sub-Function 16)

Contains the number of error answers that the slave has sent.

Sub-function

Data field (query)

Data field (response)

00 10

00 00

Number

of

error

answers

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