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YASKAWA CH700 - Page 24

YASKAWA CH700
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Standard Specifications
24
YASKAWA
YASKAWA AC Drive
CH700
Catalog
KAEP C710617 24
Common Specifications
Item
Specifications
Control
Characteristics
Control Method
The following controls are selected by parameters.
V/f Control
Closed Loop V/f Control
Open Loop Vector Control
Closed Loop Vector Control
Advanced Open Loop Vector Control
Maximum Output
Frequency
Advanced Open Loop Vector Control
:
120
Hz
Closed Loop V/f Control, Closed Loop Vector Control
:
400
Hz
V/f Control, Open Loop Vector Control
:
590
Hz
Frequency Accuracy
(
Temperature Fluctuation
)
Digital reference
:
within
±
0.01% of the max. output frequency
(
10˚C to
+
40˚C
)
Analog reference
:
within
±
0.1% of the max. output frequency
(
25˚C
±
10˚C
)
Frequency Setting
Resolution
Digital reference
:
0
.
01
Hz
Analog reference
:
1
/
2048
of the maximum output frequency setting
(
11
bit plus sign
)
Output Frequency Resolution
0.001 Hz
Frequency Setting Signal
Main frequency reference
:
10 to
+
10 Vdc, 0 to 10 Vdc
(
20 k
)
, 4 to 20 mA
(
250
)
, 0 to 20 mA
(
250
)
Starting Torque
V/f Control
:
150
%/
3
Hz
Closed Loop V/f Control
:
150
%/
3
Hz
Open Loop Vector Control
:
200
%/
0
.
3
Hz
*
1
Closed Loop Vector Control
:
200
%/
0
min
-1
*
1
Advanced Open Loop Vector Control
:
200
%/
0
.
3
Hz
*
1
Speed Control Range
V/f Control
1
:
40
Closed Loop V/f Control
1
:
40
Open Loop Vector Control
1
:
200
Closed Loop Vector Control
1
:
1500
Advanced Open Loop Vector Control
1
:
200
Zero Speed Control
Possible in Closed Loop Vector Control.
Torque Limit
Parameter settings allow separate limits in four quadrants in Open Loop Vector Control, Closed Loop Vector Control,
and Advanced Open Loop Vector Control.
Accel/Decel Time
0
.
0
s to
6000
.
0
s
The drive allows four selectable combinations of independent acceleration and deceleration settings.
Braking Torque
Approx.
20
%
Approx.
125
% with a dynamic braking option
Short
-
time average deceleration torque
Motor capacity
0
.
4
/
0
.
75
kW
:
over
100
%
Motor capacity
1
.
5
kW
:
over
50
%
Motors
2
.
2
kW and larger
:
over
20
%, Overexcitation Braking allow for approx.
40
%
Continuous regenerative torque
:
Approx.
20
%. Dynamic braking option allows for approx.
125
%,
10
% ED,
10
s
Note
:
Catalog codes CH7
0
A
2003
to
2115
and
4002
to
4150
have a built
-
in braking transistor.
·
Set L
3
-
04
=
0
[
Disabled
] (
default setting
)
when connecting the regenerative converter, regenerative unit, braking
unit and braking resistor unit. The drive may not stop within the specified deceleration time if L
3
-
04
is changed to
1
through
5
[
Enabled
]
.
Short
-
time deceleration torque refers to the torque required to decelerate the motor
(
uncoupled from the load
)
from
the rated speed to zero. Actual specifications may vary depending on motor characteristics.
Continuous regenerative torque and short
-
time deceleration torque for motors
2
.
2
kW and larger vary depending on
motor characteristics.
V/f Characteristics
Select from
15
predefined V/f patterns, or a user
-
set V/f pattern.
Main Control Functions
Droop Control, Feed Forward Control, Zero Servo Control, torque limit,
9
Step Speed
(
max.
)
, accel/decel switch,
S
-
curve accel/decel, Auto
-
Tuning
(
rotational, stationary
)
, cooling fan on/off switch, slip compensation, torque
compensation, Frequency Jump, Upper/lower limits for frequency reference, Injection Braking at start and stop,
Overexcitation Deceleration, MEMOBUS/Modbus
(
RTU mode
)
Communications
(
RS
-
485
, max.
115
.
2
kbps
)
,
Parameter Backup Function, Online Tuning, Overexcitation Deceleration, Inertia Tuning and ASR Tuning, Crane
Sequence, etc.
Protection
Function
Motor Protection
Motor overheat protection based on output current
Momentary Overcurrent Protection
Drive stops when output current exceeds
200
%
*
2
of rated output current.
Overload Protection
Drive stops after
60
s at
150
% of rated output current.
Note
:
The drive may trigger the overload protection function at
150
% of the drive rated output in under
60
s if the
output frequency is less than
6
Hz.
Overvoltage Protection
200
V class
:
Stops when DC bus exceeds approx.
410
V
400
V class
:
Stops when DC bus exceeds approx.
820
V
Undervoltage Protection
200
V class
:
Stops when DC bus falls below approx.
190
V
400
V class
:
Stops when DC bus falls below approx.
380
V
Heatsink Overheat Protection
Thermistor
Braking Resistance
Overheat Protection
Overheat sensor for braking resistor
(
optional ERF
-
type,
3
% ED
)
Stall Prevention
Stall prevention during acceleration/deceleration and constant speed operation
Ground Fault Protection
Protection by electronic circuit
Note
:
Protection may not be provided under the following conditions as the motor windings are grounded internally during run
:
Low resistance to ground from the motor cable or terminal block.
Drive already has a short
-
circuit when the power is turned on.
Charge LED
Charge LED remains lit until DC bus has fallen below approx.
50
V

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