4.2 Using the Digital Operator
♦ Powering Up the Drive and Operation Status Display
■ Powering Up the Drive
Perform the following power-off checks before applying main power to the drive.
W ARNING!
E le c tric a l S h o c k H azard. D o n o t c o n ta c t live e le c tric a l parts. F a ilu re to c o m p ly c o u ld re s u lt in de a th o r s e rio u s injury. N e v e r
to u ch the o u tp u t te rm in a ls d ire c tly w ith y o u r h a n d s o r a llo w the o u tp u t lin e s to com e in to c o n ta c t w ith the drive case.
W ARNING!
S u d d e n M o v e m e n t H azard. O p e ra tin g a drive w ith u n te s te d e m e rg e n c y circu its c o u ld re s u lt in de a th o r s e rio u s injury.
A lw a y s c h e c k the o p e ra tio n o f a n y e m e rg e n c y stop circu its a fte r th e y are wired. E m e rg e n c y stop circu its are re q u ire d to p ro v id e safe
a n d q u ic k sh u td o w n o f the drive.
W ARNING!
S u d d e n M o v e m e n t H azard. E n s u re s ta rt/sto p a n d s a fe ty circu its are w ire d p ro p e rly a n d in the c o rre c t state be fo re
e n e rg iz in g the drive. F ailure to c o m p ly c o u ld re s u lt in de a th o r s e rio u s in ju ry from m o v in g equipm ent.
Power-off Checks
Description
Pow er sup p ly voltage
Ensure the power supply voltage is correct on the supply side o f the disconnect, before applying power to the drive.
200 V class: 3-phase 200 to 240 Vac 50/60 Hz
400 V class: 3-phase 380 to 480 Vac 50/60 Hz
Properly wire the power supply input terminals (R/L1, S/L2, T/L3). Check for correct wiring, terminals are tightened, and there are no loose wire
strands.
Check for proper grounding o f drive and motor.
D rive ou tpu t term inals and m otor ter
m inals
Properly wire drive output terminals U /T1, V/T2, and W/T3 with motor terminals U /T1, V/T2, and W/T3. Check for correct wiring, terminals
are tightened, and there are no loose wire strands.
C ontrol circu it term inals
Check control circuit terminal connections. Check that control circuit terminals are correctly wired, terminals are tightened, and there are no
loose wire strands.
D rive control term in al status
Open all control circuits to the drive I/O terminal block.
■
Status Display
When the power supply to the drive is turned on, the digital operator lights will appear as follows:
No.
Name
Description
N orm al O peration
DGTAL OPERATOR „юмм
ALM
- MODE -
DRV Rdy
Speed Ref (OPR)
U1-01= 0.00%
U1-02= 0.00%
I RSEQl
U1-03= 0.00A
I LREF I
■ FWD ■
II
The data display area in the upper h a lf o f the display, displays the speed reference. DRV is displayed.
Fault
Ex
dgtal OpERATOR люма)
ALM
- MODE - DRV
EF3
Ext Fault S3
FWD IR 3 S 3 I |
ternal fault (examp e)
Data displayed varies by the type o f fault. Refer to F a u lt D isplays, Causes, a n d P o ssib le S o lu tio n s on p a g e 241
for more information and possible solutions. A L M LED is lit and DRV displayed.
♦ ALARM (ALM) LED Displays
Table 4.2 ALARM (ALM) LED Status and Contents
State
Content
Display
Illuminated
W hen the drive detects an alarm or error.
- Ш
]
Flashing
• W hen an alarm occurs.
• W hen oPE is detected.
• W hen a fault or error occurs during Auto-Tuning.
ч T
*
Г
>1
O ff
Normal operation (no fault or alarm).
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YASKAWA ELECTRIC SIEP C710616 33D YASKAWA AC Drive L1000A Technical Manual
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