• Good torque performance: 100% torque at 1.5 Hz,
150% at 3 Hz
• 150% overload / 60sec
• Overload detection function.
• Motor thermal function
• Freely configurable V/f curve
• 4 programmable digital input
• 1 programmable digital output
• 1 programmable analog output
• Optional RS-232C/485 communication - Modbus
• PC Configuration tool: CX-drive
• CE, UL, and cUL marking
Ratings
• 200 V class single-phase 0.1 to 1.5 kW
• 200 V class three-phase 0.1 to 4.0 kW
• 400 V class three-phase 0.2 to 4.0 kW
System configuration
SI-485/J7
Line filter
SI-232/J7
SI-232/J7C
CX-Drive
JVOP-144
Remote digital oper.
with potentiometer
Varispeed
J7
JVOP-146
Remote digital oper.
with potentiometer
3G3IV-PCN329-E
Inverter to PC cable
3G3IV-PEZZ8122_
DIN attachment
3G3IV-PCN126/326
Digital operator
extension cable
351Varispeed J7
Page 2
Specifications
Type designation
CIMR—J7AZ20P1
Inverter
J7 series
A: With digital operator (with potentiometer)
Z: European standard
specifications
Voltage class200 V single/three-phase400 V three-phase
Model CIMR-J7AZ#
Max. applicable
motor output kW (HP)
Inverter capacity kVA
Rated output current A
Output
Power
1. Single-phase series inverter output is three-phase (for three-phase motors)
2. Based on a standard 4-pole motor for max. applicable motor output. Select the inverter model whose rated current is larger than motor rated current.
3-phase, 380 to 460 V (proportional to input voltage)
400 Hz (programmable)
3-phase, 380 to 460 V, 50/60 Hz
–15 to +10%
±5%
352Frequency inverters
Page 3
Commom specifications
Model
CIMR-J7AZ#
Control method
Output frequency range
Frequency tolerance
Resolution of frequency set value
Resolution of output frequency
Overload capability
Frequency set value
Accel/decel time
Control functions
Braking torque
V/f characteristics
Digital inputsFour of the following input signals are selectable: forward/reverse run (3-wire sequence), fault reset, external fault (NO/NC
Digital outputsFollowing output signals are selectable (NO/NC contact output): Fault, running, zero speed, speed agreed,
Standard functionsFull-range automatic torque boost, slip compensation, 9-step speed operation (max.), restart after momentary power loss,
Functionality
Display
Motor overload protection
Instantaneous overcurrent
Overload
Overvoltage
Undervoltage
Momentary power loss
Cooling fin overheat
Protection
Stall prevention level
Cooling fan fault
Ground fault
Power charge indication
Degree of protection
Cooling
Ambient temperature
Ambient humidity
Storage temperature
Installation
Installation height
Ambient conditions
Vibration
1. Shows deceleration torque for uncoupled motor decelerating from 60 Hz with the shortest possible deceleration time.
contact input), multi-step speed operation, jog command, accel/decel time select, external baseblock (NO/NC contact input),
speed search command, UP/DOWN command, accel/decel hold command, LOCAL/REMOTE selection, communication/
control circuit terminal selection, emergency stop fault, emergency stop alarm, self test
frequency detection (output frequency ≤ or ≥ set value), during overtorque detection, minor error, during baseblock,
operation mode, inverter run ready, during fault retry, during undervoltage detection, reverse running, during speed search,
data output through communication
DC injection braking current at stop/start (50% of inverter rated current, 0.5 sec, or less), frequency reference bias/gain, fault
retry, speed search, frequency upper/lower limit setting, overtorque detection, frequency jump, accel/decel time switch, accel/
decel prohibited, S-curve accel/decel, frequency reference with built-in volume, constants copy (option) MEMOBUS communications (option)
0 to 10 VDC (20 kΩ), 4 to 20 mA (250 Ω), 0 to 20 mA (250 Ω), frequency setting volume (selectable)
ON until the DC bus voltage becomes 50 V or less, RUN lamp stays ON or digital operator LED stays ON.
Self cooling for 200 V 0,1..0,75 kW (single-phase) 0,1..0,4 kW (Three-phase) and for 400 V 0,2..0,75l kW
Digital reference: 0.01 Hz (less than 100 Hz), 0.1 Hz (100 Hz or more)
Short-term average deceleration torque
Digital operator: available to monitor frequency reference, output frequency, output current
Protected by electronic circuit (operation level is approx. 250% of rated output current)
Cooling fan for 200 V (single-phase), 0.75 kW..4.0 kW (3-phase) and for 400 V 1,5..4.0 kW
0.1 to 999 sex. (accel/decel time are independently programmed)
Status indicator LED: RUN and ALARM provided as standard LED’s
Motor coasts to a stop at approx. 250% of inverter rated current
Motor coasts to a stop after 1 minute at 150% of inverter rated output current
Motor coasts to a stop if DC bus voltage exceed 410 V (double for 400 V class)
Stops when DC bus voltage is approx. 200 V or less (double for 400 V class)
Following items are selectable: Nnot provided (stop if power loss is 15ms or longer),
continuous operation if power loss is approx. 0.5 s or shorter, continuous operation
Individual level stall prevention can be set during acceleration or constant running,
Digital reference: ±0.01% (–10 to +50 °C),
Analog reference: ±0.5% (25±10 °C)
Analog reference: 1/1000 of max. output frequency
150% rated output current for one minute
0.4/0.75 kW (0,5 HP, 1HP): 100% or more;
2.2 kW (3 HP) or more: 20% or more
Continuous regenerative torque: Approx 20%
(approx. 160 V or less for single-phase series)
provided/not provided setting available during deceleration.
Detected by electronic circuit (fan lock detection)
-20 ºC..+60 ºC (short-term temperature during trasnportation)
10 to 20 Hz, 9.8 m/s2 max; 20 to 50 Hz, 2m/s2 max
Specifications
Sine wave PWM (V/f control)
0.1 to 400 Hz
0.01 Hz
1
: 0.1, 0.2 kW (0.13 HP, 0,25 HP): 150% or more;
1.5 kW (2 HP): 50% or more;
Possible to program any V/f pattern
Electronic thermal overload relay
Protected by thermister
(Charge LED is provided for 400 V)
-10 ºC to 50 ºC (non-freezing)
90% RH or less (non-condensing)
Indoor (no corrosive gas, dust, etc.)
IP20
Max. 1000 m
Varispeed J7353
Page 4
Digital operator
Data display
Digital operator
Function display LEDs
Selected function is lit (see the
functions below). Its data is
displayed on data display.
Display selection key
Switch functions among function
display LEDs.
Enter key
Enter data when setting constants.
After selecting constant no. at
PRGM mode, data are displayed.
Increment key
Increase constant no. or data.
Decrement key
Decrease constant no. or data.
Stop/Reset key
Press to stop the motor. If fault
occurs, reset the inverter.
Operation key
Press to run the motor. The RUN
light is ON while running.
: shows the connection for the following two kinds of sequence input (S1 to S5)
signals: no-voltage contact and NPN transistors (0 V common).
For a PNP transistor (+24 V common), a 24 V external power supply is necessary.
358Frequency inverters
Page 9
Main circuit
TerminalNameFunction (signal level)
R/L1, S/L2, T/L3
U/T1, V/T2, W/T3
+2, +1
+1, –
AC power supply input
Inverter output
DC reactor connection
DC power supply input
Grounding
Main circuit power supply input (Use R/L1 and S/L2 for single-phase power supply inverter.
Do not use T/L3 of the models less than 0.75kW for other usage, such as a junction terminal.)
For inverter output
Remove the short bar between +2 and +1 when connecting DC reactor (option)
For power supply input (+1: positive electrode; – : negative electrode)*
For grounding (grounding should conform to the local grounding code.)
Control circuit
TypeNo.Signal nameFunctionSignal level
Multi-function input selection 1Factory setting: runs when CLOSED, stops when OPEN.24VDC, 8mA
Multi-function input selection 2Factory setting: runs when CLOSED, stops when OPEN.