Task TR Information exchange on gear shifting EAS ACTROS, models 930-934; exercise 18 Evaluation of shift logic FR FR Increase engine torque FR MR Operation Transmitter Receiver Select: open clutch FR GS Display shifted gear GS INS Open clutch GS Y39.1/39.2 Close clutch GS Y39.3/39.4 Adjust engine speed MR, FR Y6-Y13 Current gear position feedback B60, B61, B62, B63 GS Reduce engine torque FR MR 10/03 Perform gear change GS Corresponding solenoid valves Operation Transmitter Receiver Relevant information Reason Evaluation of shift logic FR FR Internal data exchange on AGF software module Evaluation of relevant CAN messages (influencing variables) Select:
open clutch FR GS Open clutch request Control of clutch actuator Reduce engine torque FR MR CAN message (change engine speed and engine torque) De-energizing of power train Open clutch GS Y39.1/39.2 Energizing of clutch actuator solenoid valves, clutch position, electronic pulse Open clutch, Clutch position feedback Perform gear change GS Corresponding solenoid valves Electronic pulse Adjust engine speed MR, FR Y6-Y13 Change unit pump actuation time and engine brake actuation Reduction of clutch wear Current gear position feedback B60, B61, B62, B63 GS Position of sensors in gear, gate, splitter and range cylinders Evaluation takes place in GS control unit Display shifted gear GS INS Shifted gear Driver information Close clutch GS Y39.3/39.4 Energizing of clutch actuator solenoid valves, clutch position, electronic pulse Close clutch Increase engine torque FR MR CAN message Adjust FR specified torque setting