Standard Inverter Specifications
9-5
îš‹ Common Specifications
The following specifications apply to both 200 V and 400 V Class Inverters.
Model Number
CIMR-E7Z

Specification
Control Characteristics
Control method
Sine wave PWM
V/f control
Speed control range 1:40
Speed control accuracy ±3 (25°C ± 10°C)
Frequency control range 0.0to 200.0 Hz
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: 0.025/50 Hz (11 bits plus sign)
Output frequency resolu-
tion
0.01 Hz
Frequency setting signal 0 to +10V, 4 to 20 mA
Acceleration/Decelera-
tion time
0.01 to 6000.0 s (2 selectable combinations of independent acceleration and deceleration settings)
Braking torque Approximately 20%
Main control functions
Restarting for momentary power loss, speed searches, overload detection, 5-speed control (maximum), acceleration/decelera-
tion time changes, S-curve acceleration, 3-wire control, autotuning, cooling fan ON/OFF control, torque compensation, jump
frequencies, upper and lower limits for frequency references, DC braking for starting and stopping, motor preheat function,
High Slip braking, PI control (with sleep/snooze function, scaling with units), energy-saving control, MEMOBUS communi-
cations (RS-485/422, 19.2 kbps maximum), emergency override, fault reset, and copy function.
Protective functions
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
*1
*1. Increase the Inverter capacity if loads exceeding these current values are expected.
120% of rated output current for 1 minute
Overvoltage protection
200 Class Inverter: Stops when main-circuit DC voltage is above 410 V.
400 Class Inverter: Stops when main-circuit DC voltage is above 820 V.
Undervoltage protection
200 Class Inverter: Stops when main-circuit DC voltage is below 190 V.
400 Class Inverter: Stops when main-circuit DC voltage is below 380 V.
Momentary power loss
ride through
By selecting the momentary power loss method, 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 Protection by electronic circuits.
Charge indicator Lights up when the main circuit DC voltage is approx. 50 V or more.
Protective structure
Enclosed wall-mounted type (NEMA 1): 18.5 kW or less (same for 200 V and 400 V class Inverters)
Open chassis type (IP00): 22 kW or more (same for 200 V and 400 V class Inverters)
Environment
Ambient operating tem-
perature
-10°C to 40°C (NEMA 1 / IP20 and IP54)
–10°C to 45°C (IP00)
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 10 to 20 Hz, 9.8 m/s2 max.; 20 to 50 Hz, 2 m/s2 max
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