BECKHOFF BK7300 - Manual (Page 34)

MODBUS
30 BK7300
Coupler Reset (Sub-Function 1)
Sub-function 1 re-initializes the BK7300. Error counters are reset, and the
coupler executes a self-test. No telegrams are either received or sent while
the coupler is being reset.
Sub-function
Data field (query) Data field (response)
00 01 00 00 00 00
Delete All Counter Contents (Sub-Function 10)
Calling this sub-function deletes the contents of all error counters in the
coupler.
Sub-function
Data field (query) Data field (response)
00 0B 00 00 Echo Query Data
Bus Communication Error Counter (Sub-Function 11)
Returns the number of faulty communications.
Sub-function
Data field (query) Data field (response)
00 0C 00 00 CRC error counter
Error Answer Counter (Sub-Function 13)
This counter contains the number of error answer telegrams that the
coupler has sent.
Sub-function
Data field (query) Data field (response)
00 0D 00 00 Error Answer Counter
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 Massage 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