Yaskawa 1000 Series Drive Option - MECHATROLINK-II Technical Manual - Manual (Page 31)

9 Troubleshooting
YASKAWA ELECTRIC SIEP C730600 50A YASKAWA AC Drive-Option Card MECHATROLINK-II Technical Manual 31
‹ Alarm Processing
„ SI-T3 Communications Fault Detection
The following tables show the communications faults detected by the SI-T3 and the conditions in which they can be
detected.
Table 22 Reception Failures in Each Phase
Table 23 Alarm Code (MECHATROLINK-II Response ALARM Value)
Table 24 Fault Types
„ Other Faults
The following table shows other faults that can be detected by the SI-T3. If a warning occurs, operation will follow the
previous command.
Table 25 Other fault detected by SI-T3
Communications Phase
Reception Failure Transmission cycle
First Second (Consecutive) Fault
Phase 1 − − −
Phase 2 96 E6 E6
Phase 3 96 E6 E6
ALARM Description Fault Type
96 MECHATROLINK-II communications fault warning Communications warning
E5 MECHATROLINK-II WDT Error Communications alarm
E6 MECHATROLINK-II communications fault Communications alarm
Fault Description
Communications failure Transmission LSI detected a data reception failure.
Transmission cycle fault A timing fault of a synchronous frame in a transmission cycle was detected.
Watchdog timer error A WDT count fault in a synchronous frame was detected.
ALARM Description Fault Type Operation when Fault Occurs
94 Data setting warning
<1> If the ERR indicator is not lit or flashing, any commands that are received will be ignored.
Communications warning Received commands are ignored.
95 Command warning Communications warning Received commands are ignored.
EC WDC fault with drive Communications alarm Waits for power supply to be reset.
ED
Drive access permission fault
(Access not possible 10 consecutive times)
Communications alarm Waits for power supply to be reset.
EE Drive monitor timer over (1 s elapsed) Communications alarm
Waits for power supply to be reset.
Received commands are ignored.
<1>