YASKAWA MECHATROLINK-II SI-T3 Technical Manual

Also see for SI-T3 MECHATROLINK-II A1000 Series: Installation manual Technical manual Installation manual Installation manual

Contents

8 MECHATROLINK-II CommandsYASKAWA ELECTRIC SIEP C730600 50A YASKAWA AC Drive-Option Card MECHATROLINK-II Technical Manual 21 ALM_RD: 05H (Read Alarm and Warning)Table 13 ALM_RD_MODThe ALM_RD command is used to read the following information about the status of faults and alarms.• Present fault and alarm status list• Fault history (Alarms are not saved in the history.)• Details of faultsIn the following case, a warning is generated and the command is ignored.• If ALM_RD_MOD is other than a set value: Data setting warning (A.94)The fault history is saved in EEPROM and is kept even when the control power is interrupted.• If ALM_RD_MOD is set to 0: Fault code (1 byte) is entered to byte 6 of ALM_DATA, and byte 7 becomes the valueof the previous fault.• If ALM_RD_MOD is set to 1: Fault code is entered in order of detection from ALM_DATA byte 6 so that byte 6 isthe most recent fault.• When ALM_RD_MOD is set to 2: Fault code detected by the value set by the Alarm Index +1 is entered to bytes 7and 8.During normal operation (i.e., when no fault has occurred), the value is 00H.Table 14 ALM_DATAByte Command Response1 ALM_RD ALM_RD2 0 ALARM3, 4 STATUS5 ALM_RD_MOD ALM_RD_MOD6 to 15 0 ALM_DATA16 WDT RWDTByte ALM_RD_MOD = 0 ALM_RD_MOD = 1 ALM_RD_MOD = 25 00H 01H 02H6 U2-01 U3-01 Alarm Index7 U2-02 U3-02 Lower byte of U3-(Alarm Index + 1)8 U3-03 Upper byte of U3-(Alarm Index + 1)9 U3-0410 U3-0511 U3-0612 U3-0713 U3-0814 U3-0915 U3-10ALM_RD_MOD ALM_DATA Max.ProcessingTime Parameter No.0 Present fault (byte 6), past fault (byte 7) 0.1 s U2-01 and U2-021 Fault history trace 10 max. (byte 6 to 15) 0.1 s U3-01 to U3-102 Fault history (Alarms are not retained in the history.) (bytes 7 and 8) 0.1 s U3-01 to U3-10