Protective and Diagnostic Functions
7-
15
* Refer to
MECHATROLINK COMMUNICATIONS INTERFACE CARD INSTRUCTIONS (TOBPC73060008)
for details.
(blink-
ing)
SI-T Watchdog Error Detected
A Watchdog error was detected when
the Run Command or a frequency ref-
erence was set from an option board
and continuous operation was set for
the E5 operation selection.
Synchronization error between master
controller and Inverter for control
data.
Check the communications timing
such as communications cycle. *
(blink-
ing)
SI-T Station Number Setting Error
Station number of SI-T option board
was out of setting range.
Station number setting error.
Check the setting of the station num-
ber.*
Circuit of SI-T option board is faulty.
Check the communications devices
and signals.*
(blink-
ing)
SI-T Communications Cycle Set-
ting Error
Communications cycle of SI-T option
board was out of range.
Communications cycle of SI-T option
board set in master controller was out
of range.
Check the communication cycle of
SI-T option board set in master con-
troller.*
(blink-
ing)
Receiving External Baseblock
Command
External baseblock was input from
external terminal again while it was
input.
-
-
Table 7.3 Alarm Displays and Processing (Continued)
Display
Meaning
Probable causes
Corrective Actions
