BECKHOFF BC7300 - Manual (Page 36)

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