Yaskawa E7 Drive User Manual - Manual (Page 208)

Specifications C - 4
Table C.1 Common E7 Drive Specifications
Model Number
CIMR-E7U
Specification
Control method
Sine wave PWM
V/f control
Speed range 40:1
Speed control accuracy ±2 to 3% (77 °F ± 50°F) (25°C ± 10°C)
Frequency accuracy
(temperature characteristics) Digital references: ± 0.01% (14 °F to 104°F) (-10°C to +40°C)
Analog references: ±0.1% (77 °F ± 50°F) (25°C ±10°C)
Frequency setting resolution
Digital references: 0.01 Hz
Analog references: 0.025/50 Hz (10 bit with sign)
Frequency setting signal
(Speed Command)
0-10 Vdc, 4-20 mA
Acceleration/Deceleration
time
0.0 to 6000.0 s (2 selectable combinations of independent acceleration and deceleration settings)
Main control functions
Restarting for momentary power loss, bi-directional speed search, overtorque detection, 5 preset speeds,
acceleration/deceleration time changes, S-curve acceleration, 3-wire sequence, auto-tuning, cooling fan ON/OFF
control, torque compensation, jump frequencies, upper and lower limits for frequency references, DC braking for
starting and stopping, high-slip braking, PI control (with sleep function), energy-saving control, Modbus communi-
cations (RS-485/422, 19.2 kbps maximum), fault reset, and copy function
Motor protection Protection by electronic thermal overload relay
Fuse blown protection Stops for fuse blown
Overload capacity and
maximum current
110% of rated output current for 60 seconds
Overvoltage protection
208-240Vac: Stops when main-circuit DC voltage is above 410 V
480Vac: Stops when main-circuit DC voltage is above 820 V
Undervoltage protection
208-240Vac: Stops when main-circuit DC voltage is below 190 V
480Vac: Stops when main-circuit DC voltage is below 380 V
Momentary power loss
ridethru Power Interruptions of 15 ms or more
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. (50% of inverter rated current)
Charge indicator Lit when the main circuit DC voltage is approx. 50 Vdc or more
Enclosure Type
Enclosed wall-mounted type (NEMA 1): CIMR-E7U20P4 thru 2030 and 40P4 thru 4055
Open chassis type (IP00): CIMR-E7U2022 thru 2110 and 4030 thru 4300
Ambient operating
temperature 14 °F to 104°F (-10°C to 40°C) NEMA 1 type
14 °F to 113°F (–10°C to 45°C) Open chassis type
Ambient operating humidity 95% max. (with no condensation)
Storage temperature -4 °F to 140°F (- 20°C to + 60°C) short-term temperature during transportation
Application site Indoor (no corrosive gas, dust, etc.)
Altitude 3300 ft. (1000 m), higher altitudes by derate
Vibration 10 to 20 Hz, 32 ft/sec 2 (9.8 m/s 2 ) max.; 20 to 50 Hz, 6.5 ft/sec 2 (2 m/s 2 ) max.
Approval Agencies UL File E143427
P
rotecti
ve Fu
nc
ti
ons
E
nvi
ronm
en
t
.
Con
tr
ol
Char
act
er
is
tic
s
TM_E7_01_07182008.book Page 4 Wednesday, July 23, 2008 2:35 PM