3 608 878 300
Tightening Technology |
Bosch Rexroth AG 313
System 350
| 3 608 878 300/2019-03
The PLC stops the transmission of data with the following sequence:
Fig. 6–60:
Flow chart showing the stop of data transmission by PLC
The PLC stops the transmission of data with the following sequence:
In case of a transmission error (e.g. FC 2899/3 "Field bus timeout - multi-telegram output) the KE writes
0xEEEE into the status word. After correction / acknowledgement of the error, the transmission has to be
canceled /stopped using 0xFFFF by the PLC. As long as the error 2899/3 has not been acknowledged
on the KE, hand shake/data transmission is not possible. After acknowledgment of error 2899/3, the
control word is immediately read into the KE and evaluated (to initiate data transmission directly after
acknowledgement, it has to be ensured that the control word has the value 0x0000).
Abort old
transmission
PLC writes
control word 0xFFFF
PLC reads status word
Status word =
0xFFFF
Yes
PLC writes
control word 0x0000
PLC reads status word
Status word =
0x0000
Yes
Transmission
aborted
No
No
Summary of Contents for Rexroth Tightening System 350
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