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Parker 700-00027-0, Manual

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Parker 700-00027-0 Manual Download Page 11

11

Liquid tight cable outlet

Rubber gasket seal in lid recess.

Driver plug base to valve coil rubber 

gasket supplied ( loose )

M3 x 40mm mounting screw

If required, Apply ‘lithium 
grease’ under lid ( fill void ) 
and between driver plug 
base, gasket and valve coil 
connector.

Application Notes for Harsh Environments.

• Use care when re-assembling unit after adjustment and ensure that lid gasket is in place.

• DO NOT over tighten the central M3 x 40mm mounting screw.

• Ensure that flat rubber gasket ( supplied ) is fitted between valve coil and driver plug.

• For ‘high moisture’ applications apply ‘lithium grease’ between valve coil and driver plug base 
before final assembly and mounting screw tightening process.

• For total immersion applications, follow above step and additionally fill driver plug lid with ‘lithium 
grease’ after adjustment and before final assembly to form liquid proof seal around all potentiometers 
and units plug base / valve coil joint.

Block Diagram.

PWM 

F.E.T.

output 

stage

‘Dither’

( PWM ) 

frequency 

adjust.

I Min adjust

ECU PWM 

signal I/P

Internal

PSU

Ramp 

Generator

Current 

Feedback

PWM ‘ f ’

generator

Output to 
valve coil 

interface

I Max ( 20 Turn potentiometer )

+Vin

0Vin

ECU 0V

700-00027-0, DFC-3 Plug Top Driver Unit.

PWM

To V

Summary of Contents for 700-00027-0

Page 1: ...1 Fan Controller Unit 700 00027 0 Application and Information Manual DFC 3 24V 600mA Direct Connect option for 20Hz ECM output Publ 700 00027 0 July 2005 ...

Page 2: ... advice should be sought from your Local distributor or from Parker Denison internal sales departments To keep pace with the changing laws on environmental issues new legislation regarding engine efficiency while also reducing machine operating costs the award winning Parker Denison Fan Controller DFC systems program has now produced a third iteration of the controller DFC 3 aimed specifically at ...

Page 3: ...low wires TO or FROM the unit to short circuit to each other or chassis cabinet e t c 8 Attempt to use this unit in areas of intense RF without adequate screening measures 8 Disconnect or connect wires to or from this unit unless it it isolated from the power supply 8 Use this unit in temperatures that exceed those specified as operation may be effected Important Notes 700 00027 0 DFC 3 Plug Top D...

Page 4: ...llow Default to full fan speed safety operation if the power supply to the DFC 3 controller is removed Adjustment Guide NON NON Inverting Inverting valve control operation valve control operation Typical characteristic of a normal pressure or flow control valve or variable piston pump Electro hydraulic stroker This option WILL NOT allow Default to full fan speed operation if the power supply to th...

Page 5: ...0 60 70 80 100 10 90 Adjustment Guide Controller Input Output Logic Controller Input Output Logic see page 6 7 8 for details see page 6 7 8 for details PWM input NOTE For operational safety if the input PWM signal is below approx 5 the output to the valve is OFF 0 20 40 60 80 100 110 Output Current mA 0 20 30 40 50 60 70 80 100 PWM input 10 90 I Max 100 I Max 75 I Max 50 90 PWM 5 PWM 0 PWM 100 PWM...

Page 6: ...output Variable from 100Hz to 250Hz 20 11 Environmental Totally ENCAPSULATED Printed Circuit Board 12 IP Rating IP68 Min When assembled correctly 13 NEMA Rating NEMA 6P 14 Humidity 95 Non Condensing 15 Storage temp 120 Deg C 250 F Max 16 Working temp 40 Deg C 40 F Max 70 Deg C 160 F Max Inc Ambient DFC 3 Specifications TOP VIEW OF PLUG DRIVER WITH LID REMOVED Output Current Adjustment I Max Clockw...

Page 7: ...e opaque lid carefully ensuring that seal is maintained Replace securing screw and tighten Do not overtighten or lid damage is seen Unit is now ready for continuous application use Adjust Dither frequency to suit valve product being driven Fully Anti clockwise approx 100Hz Fully Clockwise Approx 250Hz Suggested setting is MID position Set command to minimum PWM Isolate plug from 24VDC supply 700 0...

Page 8: ... seal is maintained Replace securing screw and tighten Do not overtighten or lid damage is seen Unit is now ready for continuous application use Adjust Dither frequency to suit valve product being driven Fully Anti clockwise approx 100Hz Fully Clockwise Approx 250Hz Suggested setting is MID position Set command to minimum PWM Isolate plug from 24VDC supply 700 00027 0 DFC 3 Plug Top Driver Unit Ne...

Page 9: ...TE The Emergency Fan MINIMUM SPEED configuration shown above assumes that the controller is being used with an inverting operation pressure valve and the PWM input is positive logic i e 0 PWM fan full on 100 PWM fan full off Closing the relay will force the input to 24V supply voltage and the fan will be controlled to fully OFF the fan may still rotate even in this state if absolute zero fan speed...

Page 10: ...mm All Internal Dividers Lid material High Impact Resistant Molded ABS Lid Colour Opaque clear Lid finish Matt Unit size See above size detail drawings Unit Weight Approx 400 grams including Encapsulation material Cable Wire entry Via PG11 gland to fixed cable Encapsulation Flame Resistant Black Two Part Epoxy Resin Wire length Approx 3 Metres colour coded cable Wire specification 4 core 16 02 wit...

Page 11: ...een valve coil and driver plug For high moisture applications apply lithium grease between valve coil and driver plug base before final assembly and mounting screw tightening process For total immersion applications follow above step and additionally fill driver plug lid with lithium grease after adjustment and before final assembly to form liquid proof seal around all potentiometers and units plu...

Page 12: ...12 NOTES Visit us on the web at www parker com hydraulics fandrives ...

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