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TOEP_C710806_03A_1_0.book Seite 67 Montag, 2. Juli 2007 3:55 15 4.2 Main Commands 4.2.9 Start Synchronous Communication (SYNC_SET: 0DH) Byte SYNC_SET Description Command Response 1 0DH 0DH Processing classifications Network command group Synchronization classifications Asynchronous 2 − ALARM Processing time Transmission cycle or more Subcommand Cannot be used STATUS • Starts synchronous communications. Switches from phase 2 to phase 3. • Synchronization is established as values of each WDT in command and response is detected. • During phase 3, the command will be ignored (without a warning). • During Servo ON in phase 2, the SERVOPACK will change to Servo OFF if this command is received. • At the occurrence of the following alarms, this command must be transmitted to restart synchronous communications. -MECHATROLINK-II Synchronization Error (A.E50) -MECHATROLINK-II Synchronization Failure (A.E51) -MECHATROLINK-II Communications Error (A.E60) -MECHATROLINK-II Transmission Cycle Error (A.E61) • In the following case, a warning will occur and the command will be ignored. -During operation using CX-Drive: Command warning 1 (A.95A) 3 4 − 5 6 7 8 9 10 11 12 13 14 15 16 WDT RWDT 67
