Common Specifications - YASKAWA Varispeed E7 Instruction Manual And Parameter Description

Common Specifications

The following specifications apply to both 200 V and 400 V Class Inverters.
Model Number
CIMR-E7C
Control method
Speed control range
Speed control accuracy
Frequency control range
Frequency accuracy (tem-
perature characteristics)
Frequency setting resolu-
tion
Output frequency resolu-
tion
Frequency setting signal
Acceleration/Decelera-
tion time
Braking torque
Main control functions
Motor protection
Instantaneous overcurrent
protection
Fuse blown protection
Overload protection
Overvoltage protection
Undervoltage protection
Momentary power loss
ridethrough
Cooling fin overheating
Stall prevention
Grounding protection
Charge indicator
Protective structure
Ambient operating tem-
perature
Ambient operating humid-
ity
Storage temperature
Application site
Altitude
Vibration
* 1. Increase the Inverter capacity if loads exceeding these current values are expected.
-4
9
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Table 9.3 Common Specifications
0.01 to 6000.0 s (2 selectable combinations of independent acceleration and deceleration settings)
Restarting for momentary power loss, speed searches, overtorque 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 fre-
quencies, upper and lower limits for frequency references, DC braking for starting and stopping, high-slip braking,
PI control (with sleep function), energy-saving control, MEMOBUS communications (RS-485/422, 19.2 kbps maximum),
*1
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.
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.
By selecting the momentary power loss method, operation can be continued if power is restored within 2 s.
Lights up when the main circuit DC voltage is approx. 50 V or more.
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)
Specification
Sine wave PWM
V/f control
1:40
±3 – 3% (25°C ± 10°C)
0.0to 120.0 Hz
Digital references: ± 0.01% (-10°C to +40°C)
Analog references: ±0.1% (25°C ±10°C)
Digital references: 0.01 Hz
Analog references: 0.025/50 Hz (11 bits plus sign)
0.01 Hz
0 to +10V, 4 to 20 mA
Approximately 20%
fault reset, and copy function.
Protection by electronic thermal overload relay.
Stops at approx. 200% of rated output current.
Stops for fuse blown.
120% of rated output current for 1 minute
Protection by thermistor.
Stall prevention during acceleration, deceleration, or running.
Protection by electronic circuits.
-10°C to 40°C (Enclosed wall-mounted type)
–10°C to 45°C (Open chassis type)
95% max. (with no condensation)
- 20°C to + 60°C (short-term temperature during transportation)
Indoor (no corrosive gas, dust, etc.)
1000 m max.
2
10 to 20 Hz, 9.8 m/s max.; 20 to 50 Hz, 2 m/s
2
max