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4. OPERATION AND DISPLAY
4. OPERATION AND DISPLAY
On the interface unit display (5-digit, seven-segment display), check the status of communication with the
servo system controller at power-on, check the axis number, and diagnose a fault at occurrence of an
alarm.
4.1 Normal indication
When powered on, the MELSERVO-J2M is placed in the automatic scroll mode in which the statuses of
the drive units installed on the base unit appear at intervals of 2 seconds in due order. At this time, open
slot numbers do not appear.
In the initial status, the indication is in the automatic scroll mode. Pressing the "SET" button switches the
automatic scroll mode to the fixed mode. In the fixed mode, pressing the "UP" or "DOWN" button displays
the status of the subsequent-axis drive unit.
If an alarm/warning occurs in the interface unit, the alarm/warning number of the interface unit appears.
(Refer to Section 4.1.2)
# ## ## ## ##
Automatic scroll
button
UP DOWN
DRU status indication
(Slot 1)
DRU status indication
(Slot 2)
DRU status indication
(Slot 3)
DRU status indication
(Slot 7)
DRU status indication
(Slot 8)
or
Pressing the "MODE" button in the automatic scroll mode for more than 2s switches to the interface-
related display mode in which the data of the interface unit appears. (Refer to Section 4.2)