4qd 4QD-300-48 Інструкція з експлуатації - Сторінка 3
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Друкувати сторінку5 Specifications
Supply voltage ‡1, ‡2 15v to 56v
Supply current
Output voltage
(36v version)
Output current, max
Current adjustment
Reverse current, max 270A
Overheat cut out
Ramp time
Reversing threshold
Switching frequency
Overvoltage engage
Undervoltage
Size
Weight
Input
Pot fault detection
Mode switch
Brake output
Deadband
altered. This is beyond the scope of this manual but is fully explained on our www site.
http://www.4qd.co.uk/serv/4qd_transfer.html 4QD series: removing input dead band.
Do not touch the Deadband header unless you understand its purpose.
‡1 Minimum voltage subject to alteration of the undervoltage setting.
‡2 Controllers are factory-set to operate on 24v as this is the most common usage. See page 6.
‡3 Brake output is 'trip' protected: wiring or solenoid faults will switch off the controller.
Additional Information
Although this manual is quite comprehensive, there is a limit to what it is sensible to print on paper. If you
have queries, then you are best advised to consult our www site where there is a large amount of additional
information including many instructions on some of the more arcane applications of this controller
4QD series controller instructions.
70mA
36v to +36v
0 to 36v
330A
330A to 70A
95°C
.3 to 12 secs
7v
4v
20 kHz approximately
68v
14 - 40v approx
280 mm x 103 mm x 60 mm
1685g (of which heatsink is 725g)
5kΩ to 20kΩ Joystick or pot.
or 0-3V (Adjustable) for-full speed
40KΩ typically
Single ended or Joystick
1A
With Issue 15 control boards, the zero speed deadband can be
48v version
at zero speed
J/S mode
S/E mode
typical
typical
typical
internal temperature
accel & decel rates independently adjustable
approx (J2 in place)
approx (J2 open - factory default)
48v versions
adjustable
tripped ‡3
(cold)
(cold)
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