9
-4
Common Specifications
The following specifications apply to both 200 V and 400 V Class Inverters.
* 1. Rotational autotuning must be performed to ensure obtaining the specifications given for flux or open-loop vector 1/2 control.
Table 9.3 Common Specifications
Model Number
CIMR-G7A
Specification
Control method
Sine wave PWM
Flux vector control, open-loop vector 1/2 control, V/f control, V/f with PG control (switched by constant setting)
Torque characteristics
150%/0.3 Hz (Open-loop vector 2 control), 150%/0 min
−
1
(Flux vector control)
*1
Speed control range
1:200 (Open-loop vector 2 control), 1:1000 (Flux vector control)
*1
Speed control accuracy
*4
±0.2% (Open-loop vector 2 control, 25
°
C ± 10
°
C), ±0.02% (Flux vector control, 25
°
C ± 10
°
C)
Speed control response
10 Hz (Open-loop vector 2 control), 30 Hz (Flux vector control)
Torque limits
Provided for vector control only (4 quadrant steps can be changed by constant settings.)
Torque accuracy
±5%
Frequency control range
0.01 to 400 Hz
*3
Frequency accuracy (tem-
perature characteristics)
Digital references: ± 0.01% (-10
°
C to +40
°
C)
Analog references: ±0.1% (25
°
C ±10
°
C)
Frequency setting resolu-
tion
Digital references: 0.01 Hz, Analog references: 0.03 Hz/60 Hz (11 bit with no sign)
Output frequency resolu-
tion
0.001 Hz
Overload capacity and
maximum current
*2
150% of rated output current per minute
*5 *8
Frequency setting signal
-10 to 10 V, 0 to 10 V, 4 to 20 mA, pulse train
Acceleration/Decelera-
tion time
0.01 to 6000.0 s (4 selectable combinations of independent acceleration and deceleration settings)
Braking torque
Approximately 20% (Approximately 125% with Braking Resistor option, braking transformer built into 200 V and 400 V Class
Inverters for 15 kW or less.)
*2
Main control functions
Restarting for momentary power loss, speed searches, overtorque detection, torque limits, 16-speed control (maximum), accelera-
tion/deceleration time changes, S-curve acceleration/deceleration, 3-wire sequence, autotuning (rotational or stationary), dwell
functions, cooling fan ON/OFF control, slip compensation, torque compensation, jump frequencies, upper and lower limits for
frequency references, DC braking for starting and stopping, high-slip braking, PID control (with sleep function), energy-saving
control, MEMOBUS communications (RS-485/422, 19.2 kbps maximum), fault reset, function copying, droop control (flux vec-
tor control only) torque control, speed/torque control switching, etc.
Motor protection
Protection by electronic thermal overload relay.
Instantaneous overcurrent
protection
Stops at approx. 200% of rated output current.
Fuse blown protection
Stops for fuse blown.
Overload protection
150% of rated output current per minute
Overvoltage protection
200 Class Inverter: Stops when main-circuit DC voltage is approximately above 410 V.
400 Class Inverter: Stops when main-circuit DC voltage is approximately above 820 V.
Undervoltage protection
200 Class Inverter: Stops when main-circuit DC voltage is approximately below 190 V.
400 Class Inverter: Stops when main-circuit DC voltage is approximately below 380 V.
Momentary power loss
ridethrough
*7
Stops for 15 ms or more.
With a suitable constant setting, operation can be continued if power is restored within 2 s.
Cooling fin overheating
Protection by thermistor.
Stall prevention
Stall prevention during acceleration, deceleration, or running.
Grounding protection
*6
Protection by electronic circuits. (Overcurrent level)
Charge indicator
Lit when the main circuit DC voltage is approx. 50 V or more.
Ambient operating tem-
perature
-10
°
C to 40
°
C (Enclosed wall-mounted type)
10
°
C to 45
°
C (Open chassis type)
Ambient operating humid-
ity
95% max. (with no condensation)
Storage temperature
- 20
°
C to + 60
°
C (short-term temperature during transportation)
Application site
Indoor (no corrosive gas, dust, etc.)
Altitude
1000 m max.
Vibration
200 V Class Inverters of 0.4 to 37 kW and 400 V Class Inverters of 0.4 to 45 kW
10 to 20 Hz: 9.8 m/s
2
20 to 55 Hz: 5.9 m/s
2
200 V Class Inverters of 45 to 110 kW and 400 V Class Inverters of 55 to 300 kW
10 to 20 Hz: 9.8 m/s
2
20 to 55 Hz: 2.0 m/s
2
C
ontr
ol
c
har
ac
te
ri
st
ics
Pr
ot
ect
ive
funct
ions
E
nvir
onment