176
Bosch Rexroth AG
| Tightening Technology
3 608 878 300
System 350
| 3 608 878 300/2019-03
Fig. 5–5:
Single-channel control sequence via KE
Explanation on the signals
1
Signal "high" (signal "on")
0
Signal "low" (signal "off")
Subsequent switching conditions are linked by logical AND, unless indicated otherwise.
The following flow chart provides an overview of the sequence of the individual control signals and the
subsequent switching conditions between the beginning and end of a tightening process of a tightening
controller with individual control (control not via communication unit). This may be a compact system (CS)
or an SE control unit controlled via 24 V. Use of the individual PLC signals depends on the individual case
of application, e.g. Setting of Prg0...7.
System ready
Delete result
Result deleted
Program
selected
Tightening program
is running
CHxy NF =1
CHxyRdy =1
CHxy SEnAck = 1
CHxyRdy = 1
CHxyEnAck = 1
CHxyInCy = 0
CHxyResRs = 1
ChxyCyCmp = 0
ChxyOK = 0
ChxyNOK = 1
CHxyCw = 1
CHxyResRs = 0
CHxyInCy = 1
CHxyCyCmp = 0
CHxyOK = 0
CHxyNOK = 0
End
Start
CHxySEn = 1
Tightening program
completed
CHxyCw = 0
CHxyInCy = 0
CHxyInCy = 1
CHxyCyCmp = 1
(CHxyOK = 1 AND CHxyNOK = 0)
OR
(CHxyOK = 0 AND CHxyNOK = 1)
CHxyNF =1
CHxyEn = 1
Program selection
CHxyPrg0..7 = CHxyAck0..7
Set CHxyPrg0..7
Summary of Contents for Rexroth Tightening System 350
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