Transition Of Led Display After Power Is Turned On - Mitsubishi Electric MDS-E Series Instruction Manual

MDS-E/EH Series Instruction Manual
4 Setup

4.1.3 Transition of LED Display After Power Is Turned ON

When the NC power is turned ON and the initial communication with the NC is started, each unit will automatically
execute self-diagnosis and initial settings for operation, etc. The LEDs on the front of the units will change as shown
below according to the progression of these processes.
If an alarm occurs, the alarm No. will appear on the LEDs. Refer to section "LED display when alarm or warning occurs"
for details on the alarm displays.
Waiting for NC
power start up
NC power ON
Servo ON state
NC power OFF
CAUTION
1. Always input emergency stop when starting the servo system.
2. Do not insert or extract the external STO input connector (CN8) after starting the servo system. Motor power will be shut
off and it may cause the collision of machine.
IB-1501229-F
Drive units
LED display
Drive unit initialization complete
Waiting for NC power start up
NC power ON
Executing initial
communication with NC
Emergency stop state
The LED will alternate between
not lit.
F# E7
(# is the set axis No.)
Servo OFF state
Repeats lighting and going out.
(1st axis in the display example)
114
Power supply unit
LED display
NC power
ON
In initializing
Initializing completed
Contactor OFF
Ready OFF state
In ready ON
(In Charging)
Contactor ON
In servo ON
(Charge completed)
Emergency stop state