RS232 - Interface
BC8050 und BC8150 71Version: 3.0.0
Subfunction Data field (query) Data field (response)
00 01 00 00 00 00
Delete all counter contents (Subfunction 10)
If this subfunction is called, the Bus Coupler/Fieldbus Box deletes all error counters.
Subfunction Data field (query) Data field (response)
00 0B 00 00 Echo query data
Bus communication response counter (subfunction 11)
Returns the number of communication answers.
Subfunction Data field (query) Data field (response)
00 0C 00 00 Counter value
CRC error counter (subfunction 11)
Indicates the number of detected CRC errors
Subfunction Data field (query) Data field (response)
00 0D 00 00 Counter value
Error response counter (subfunction 13)
This counter indicates the number of error response telegrams, which the Bus Coupler/Fieldbus Box has
sent.
Subfunction Data field (query) Data field (response)
00 0D 00 00 Counter value
The following functions contain the counter states for various units. This means that the Modbus telegrams
can be distinguished through units, for example when the Bus Coupler/Fieldbus Box is accessed from
different masters.
Slave responses (subfunction 14)
Contains the number of answers that the slave has sent.
Subfunction Data field (query) Data field (response)
00 0E 00 00 Counter value
Number of unanswered telegrams (subfunction 15)
Contains the number of answers that the slave has not sent.
Subfunction Data field (query) Data field (response)
00 0F 00 00 Counter value
Number of error responses (subfunction 16)
Contains the number of error answers that the slave has sent.
Subfunction Data field (query) Data field (response)
00 10 00 00 Counter value
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