3Com VFD-D D Refrigerator User Manual


 
Appendix A Specifications |DD Series
A
-2
Multi-Function Output Signal
(RC1,RA1,RB1) , (RC2,RA2,RB2) ,(MO1,MO2,MO3 and MCM) AC
drive operating, frequency attained, fault indication, over torque,
over voltage, operation mode, alarm indication, demo mode
indication, overheat alarm, drive is ready, emergency stop, braking
signal, zero speed indication, PG indication error, position
detection, limit signal, re-open/close indication, position finished
Communication Interface Built-in MODBUS, customize CAN Bus
Alarm Output Contact Contact “ON” when malfunctions occurs (relay with a “C” or “A”
contact, or 2 open collector outputs)
Operation Function
AVR,
6
set fault records, opening door is prohited, DC brake, auto
torque/slip compensation, auto tuning, adjustable carrier
frequency, output frequency upper and lower limits, parameter
reset, vector control, MODBUS communication, abnormal reset,
abnormal re-start, PG feedback control, fan control, demo mode,
door width auto-tuning
Protection Function Over voltage, over current, under current, external fault, overload,
ground fault, overload, overheating, electronic thermal, PG
feedback error, external limit signal error, re-open/re-close
Digital Keypad 7 function keys, 4-digit 7-segment LED, 4 status LEDs, master
frequency, output frequency, output current, custom units,
parameter values for setup, review and faults, RUN, STOP,
RESET, FWD/REV
EMI Filter built in
Corresponding to EN55011 CLASS A
(economy versions are not included)
Motor Protection Electronic thermal relay protection
Over Current Protection The current forces 220% of the over-current protection and 300%
of the rated current
Overload Capacity 150% for 60 seconds; 180% for 10 seconds
Voltage Protection Over-voltage level: Vdc>400; low-voltage level: Vdc<200
Over-voltage Protection for
Input Power
Varistor (MOV)
Protection
Characteristics
Overheat Protection Built-in temperature sensor
Enclosure Rating IP20
Operation Temperature -10 ~40℃℃
Ambient Temperature -20 ~60℃℃
Ambient Humidity Below 90% RH (non-condensing)
Vibration 1.0G less than 20Hz, 0.6G at 20~60 Hz
Environment
Installation Location Altitude 1,000m or lower, keep from corrosive gasses, liquid and
dust
Approval
UL(2011Q2),
(IEC 61800-3)