Rexroth Tightening System 350 System Documentation - Rhino ...

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264/316 Bosch Rexroth AG | Tightening Technology 10 Working with the System10.1 Settings in the BS35010.1.9 OK/NOK counter10.1.9.1 Setting up the counterThe counters for OK and NOK tightenings are used to assess a sequence of tightenings. Each tighteningis counted according to its evaluation. If a counter reaches its stipulated maximum value, a control signalis output (Ch x CntOK or Ch x.y CntNOK) and, if desired, the tightening channel blocked.To set up the counter:⇒ In the BS350, click on System → OK/NOK counter configuration.The OK/NOK counter configuration window will open.Figure 10–13: Configuration of the OK/NOK counterA total of 48 OK/NOK counters can be configured. A maximum value for OK tightenings and a maximumvalue for NOK tightenings are defined for each counter. A maximum of 999 tightenings can be counted.Set how the counters should be selected in the PLC signal selection field:– Prog0 … Prog5: The counters are selected using the control signals used to select the tighteningprogram. Thus, a counter with the same number is assigned to each tightening program, i.e. the sequenceconsists of tightenings with the same tightening program.– CntSel0 … CntSel5:The counters are selected using these control signals. This selection is doneindependently of the tightening program by e.g. the partner controller. Thus, different tightening programscan be used within the sequence.Set whether the counter should count upwards or downwards in the Counting direction field.The appropriate control signal is output (Ch x CntOK or Ch x.y CntNOK) when the maximum numberof the current counter is reached. In addition, you can set whether or not the tightening channel shouldbe blocked once the maximum number is reached in the Procedure if number of OK/NOK reached orfor abort field. Loosening program no. 99 can additionally be enabled if “Block nutrunner” is selected.NoteThis setting also applies when changing to another counter (changing the control signals Prog0 … Prog5or CntSel0 … CntSel5). If a counter is active (the counter is configured and has counted at least onetightening), but none of the maximum values for OK or NOK tightenings have been reached, the controlsignal Ch x.y NOK will always be output and, if necessary, the tightening channel blocked if you changeto another counter.System 350 | 3 608 878 040/05.2008
10 Working with the System Tightening Technology | Bosch Rexroth AG 265/31610.1 Settings in the BS35010.1.9.2 Output and reset of the OK/NOK counterOutput on the LCD display in the CS351E-DOn the LC display, the counter readings for OK and NOK tightenings are output in the 3rd and 4th line,alternating with other values.TO K1 2 . 3 4Σ OK 4Σ N O K 1Figure 10–14: Output of counter readings from the active OK/NOK counter on the LCD displayIf a maximum value has been reached (control signal Ch x.y CntOK or Ch x.y CntNOK is output),the appropriate line will be inversely represented.If the control signal Ch x.y CntNOK is the result of a counter change, so the 4th line will be inverselyrepresented and a “C” for Cancel displayed between ΣNOK and the counter reading.Output on the TFT display in the CS351E-DOn the TFT display, counter readings are output in the standard display (Display → Standard) in the secondline and in the actual value display 2 (Display → Actual values 2) in the third line:Figure 10–15: Output of counter readings from the active OK/NOK counter on the TFT displayIf a maximum value has been reached (control signal Ch x.y CntOK or Ch x.y CntNOK is output),the reached count will be represented in red.If the control signal Ch x.y NOK has been caused by a counter change, the information from the NOKcounter will be represented in red and a “C” for Cancel displayed between NOK and the counter reading.Output in the BS350The counter readings of all active counters can be displayed in the BS350 under System test → Infotightening cell → OK/NOK counter.Figure 10–16: Display of the counter readings of the OK/NOK counterDashes in the Actual column indicate that the counter is not active. A preceding “C” in the Actual columnindicates that the control signal Ch x.y CntNOK has been caused by a counter change.System 350 | 3 608 878 040/05.2008
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