Rexroth Tightening System 350 System Documentation - Rhino ...

6 Control Signals Tightening Technology | Bosch Rexroth AG 61/3166.2 Tightening controllerTable 6–2: PLC output signals for the tightening processSignals Function DescriptionTorqRgeL Torque Range Too Low Torque range too lowTorqCtrH Torque Control Too High Torque control too highTorqCtrL Torque Control Too Low Torque control too lowAngTotH Angle Total Too High Global angle too highAngTotL Angle Total Too Low Global angle too lowGradAvrH Gradient Average Too High Gradient average value too highGradAvrL Gradient Average Too Low Gradient average value too lowTimeH Time Too High Time too highStickSlipH Stick Slip Too High Number of stick slips too highYieldH Yield Too High Yield point too highRedH Redundancy Too High Redundancy too highAppOut 0-15 Application Out 0-15 Application-specific output signal bit 0-15Description of the output signals:Ack0-7 – Acknowledge Bit 0-7 (Acknowledgement program bit 0-7)Only bits 0-5 can be used.These program acknowledgement signals acknowledge the program selection. Using these signals, thePLC can determine whether the program selection was successful. A program number is only valid if theprogram acknowledgement corresponds to the selected program. The controller always uses the acknowledgedprogram number as the basis for a tightening.Rdy – Ready (Tightening Controller Ready)The controller only reacts to the input signals if the system indicates that it is ready for operation (“high”).The controller can only be started after this.Possible causes for Rdy =“low” are:– Tightening controller boot process is running– System error– Sequence test activated by BS350– Transducer test activated by BS350.NF – No Fault (No System Error)Indicates an error in the tightening system (NF = “low”). A tightening sequence will be cancelled or thecontroller will not be started.InCy – In Cycle (Start Active)The InCy signal reports the start of the tightening program to the PLC. When this signal changes from“low” to “high”, the CyCmp, OK, and NOK signals are set to “low”. After the end of the tightening program,the InCy signal only changes from “high” to “low” if the start of the Cw or Ccw tightening programhas been cancelled. The tightening channel is ready to start again if the InCy signal is at “low”.InCyCcw – In Cycle Counterclockwise (Start Active)The InCyCcw signal is similar to the InCy signal. It is added to InCy for a Ccw start.CyCmp – Cycle Complete (Sequence End, Output)CyCmp = “high” signals the end of a tightening (sequence and results processing). The tightening channelis ready for the next tightening.System 350 | 3 608 878 040/05.2008