3 608 878 300 Tightening Technology | Bosch Rexroth AG 307/641
System 350 | 3 608 878 300/2019-03
6.4.5.2 Results output for a single-channel tightening via KE
The following figure shows the sequence diagram for a single-channel tightening if results output is
implemented via a field bus module in the KE.
Here, the actual tightening end of the tightening process is also indicated by the evaluation signals (CH
x.y Ok, CH x.y Nok) switching from L to H. At this point, the tightening spindle can be removed from the
processed component.
(A) Single-channel tightening
(B) Data buffer result (field bus)
Ch x.y Cw Start
Ch x.y InCy Start active
Ch x.y CyCmp Process end
Ch x.y Ok Evaluation
Ch x.y ResRs Result reset
(1) Cycle
(2) Invalid
(3) Result valid
In version 2.1 and below, the results output is not necessarily completed after a process end for single-
channel tightening processes with results output via the KE. In this case, the results values cannot be
accepted by the master after process end. The master must ensure that the data are accepted correctly.
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