Closed-loop and Open-loop Proportional Valve
Contents
1. C2 Ramp down 0 S NOT USED C3 Mode 2 CUR USE ENBL C3 Min input 0 2 V C3 Max input 10 0 V C3 Min output 5 mA C3 Max output 600 mA C3 Ramp up 1S C3 Ramp down 1S C4 Mode 2 IN4 USE ENBL C4 Min input 0 2 V C4 Max input 10 0 V C4 Min output 5 mA C4 Max output 600 mA C4 Ramp up 1S C4 Ramp down 1S Dither frequency Copyright High Country Tek Inc 2013 150 Hz ie e i lj b Closed Loop Velocity Mode DRF2 Vxx The DRF can drive a single solenoid valve in closed loop velocity mode Set the input ranges to match the desired command and feedback range NOTE The feedback C2 input setting should be inverted for reverse logic valves The minimum must be greater than the maximum Set the dither and output settings according to the valve specifications Schematic V Power Input 9 32VDC PWR J1 1 HET GND J1 2 Geet Enable J1 3 V Enabled 10VDC 20mA Supply Voltage 10V Ref Out J4 3 Ch 1 I P J5 1 10V Ref Out J4 1 Sig GND J4 2 DRF2 PE lectronic Valv Hecrenie valve Feedback DRF Closed loop Valve Controller Example Settings Parameter Value C1 Mode 4 VEL USE ENBL C1 Min input 0 2 V C1 Max input 10 0 V C1 Min output 5 mA C1 Max output 600 mA C2 Mode 2 IN2 USE ENBL C2 Min input 0 22. Click write settings to controller before clicking read settings from controller After this step the static table will display the DRF settings from the data file ere a rmm An eee E Ee ee Free Parameter DRF4 V25 DRF4 V25 C1 MODE C1 MODE C1 MODE C1 PROPORTIONAL 100 C1 PROPORTIONAL C1 PROPORTIONAL CIINTEGRALGAIN 20 0 C1 INTEGRAL GAIN C1 INTEGRAL GAIN C1 DERIVATIVE 0 0 C1 DERIVATIVE C1 DERIVATIVE C1 PID LOOP TIME 1 CYCLES C1 PID LOOP TIME C1 PID LOOP TIME C1 DEADBAND 0 000V C1 DEADBAND C1 DEADBAND C1 MINIMUM INPUT DANI 0 0 Ci MAXIMUM INPUT 10 0V 0 0 C1 MIN OUTPUT 0 02A 0 00 C1 MAX OUTPUT 1 00A 0 00 C1 RAMP UP TIME 0 0S CIRAMP DOWN TIME 0 0S C2 MODE 1 IN2 NO ENBL C2 MINIMUM INPUT DAT 0 0 C1 MINIMUM INPUT C1 MAXIMUM INPUT C1 MIN OUTPUT C1 MAX OUTPUT 1 00A 0 00 C1 RAMP UP TIME d CIRAMP DOWN TIME 00S C2 MODE 1 IN2 NO ENBL C2 MINIMUM INPUT DAT 0 0 C1 MINIMUM INPUT DAT 00 C1 MAXIMUM INPUT 10 0V 0 0 C1 MIN OUTPUT 0 02A 0 00 C1 MAX OUTPUT 1 00A 0 00 C1 RAMP UP TIME 0 0S CIRAMP DOWN TIME 00S C2 MODE 1 IN2 NO ENBL C2 MINIMUM INPUT DAT 0 0 021 DRF RevA DRF User Manual 9 Copyright High Country Tek Inc 2013 San Apacs Corg het C Eieciottydraulic Control Boiuthons DRF Closed loop Valve Controller Parameter List The following table outlines the DRF parameters as well as the lim
3. 100 125 150 175 200 225 250 275 300 1000 Hz Analog Input Range DRF Vxx 10V to 10V DRF Axx 0 to 20mA Analog Input Impedance DRF Vxx 38kQ DRF Axx 2500 Analog Input Resolution 10 bits Operating Temperature Range 20 to 70 C 40 to 85 C storage Enclosure Polyamide Dimensions Inch 0 69 W x 4 50 H x 4 30 D mm 17 5 W x 114 5 H x 109 4 D 021 DRF RevA DRF User Manual 5 Copyright High Country Tek Inc 2013 Q nydrautics Hcl DRF Closed loop Valve Controller antral Hoiutecee Physical Description aaa There are PWR LED and OUTx LEDs For DRF 4 there are 5 LEDs The PWR LED is green when the applied voltage is within the operating range OUTx LEDs indicate current output for a given channel The LEDs are yellow and the brightness will vary with the output current In the case of a fault the LEDs will flash red with a flash code See Fault Status for details The DRF communicates with the Graphical User Interface through the USB port When connected to a PC the DR controller is recognized as a USB device with or without power supply However it must be powered when configuring the settings User Interface The DRF has a number of internal settings Users can open the Graphical User Interface to view make changes and save the settings in a data file which can be uploaded to any DRF controller The Hand Held Interface can also be used to view and make change
4. etc Some parameters combine variable and monitor in one line Use it to set a variable according to the current monitor value Press the unlock button to enter the edit mode An asterisk will appear at the beginning of the second line Use the up and down buttons to change the value For parameters containing both variable and monitor the monitor data is in square brackets Press the lock button to save the parameters and end edit mode When the lock button is pressed the changes take effect immediately Change values only when the machine is NOT running 021 DRF Rev A DRF User Manual 7 Copyright High Country Tek Inc 2013 Q nydrautics DRF Closed loop Valve Controller HeT Eecyro tydra Control Boluthons Read settings from controller displays a static table of values from non volatile memory The changes made to the settings by selecting lock are not updated in the table unless read settings from controller is selected again To save the settings into a file for future use click read settings from controller before clicking save settings to file 7 EI 021 DRF Rev A DRF User Manual Copyright High Country Tek Inc 2013 Source DRF4 V25 on COM31 Zeng wun on NI SE A Source ORF4 V25 on COM31 Source DRF4 V25 on an Stee seltiogs to fe DRF4 V25 i Parameter Setting Parameter Setting C1 MODE DRF4
5. CYCLES C1 DEADBAND C1 MINIMUM INPUT C1 MAXIMUM INP 5V 6 3 C1 MIN OUTPUT 0 02A 0 00 C1 MAX OUTPUT C2 MIN OUTPUT C2 MAX OUTPUT C2 RAMP UP TIME DRF User Manual San Apacs Lorg a HC DRF Closed loop Valve Controller e i lj b Wiring Terminal functions are listed in the table below Terminal Function V Supply Supply Common Enable Input Output Ch 1 Common Output Ch 2 Output Ch 3 Common Output Ch 4 10V Reference Common 10V Reference Command Input Ch Common Command Input Ch Command Input Ch Common Command Input Ch 021 DRF Rev A DRF User Manual 18 Copyright High Country Tek Inc 2013 G nydrautics HC DRF Closed loop Valve Controller Order Information The following is a break down of the DRF part numbering system DRF4 V12 06 600mA max 12 1 2A max 25 2 5A max V 10 to 10V input A 0 to 20mA Number of channels 2 or 4 Required Communication Cables For the Hand Held Interface Device P N HH2USB and PN 108 00134 For the PC software SAM PN 108 00134 P N HHI2USB P N 108 00134 021 DRF Rev A DRF User Manual 19 Copyright High Country Tek Inc 2013 nydraulics e Application Examples Open Loop Double Solenoid Control DRF2 Vxx The DRF can drive a dual coil valve with a joystick or potentiometer of 10kQ If enable switch is not used set channel 1 to
6. V C2 Max input 10 0 V C2 Min output 5 mA C2 Max output 600 mA Dither frequency 150 Hz Command Feedback Transfer Diagram Feedback C2 10V Sig GND J2 2 Process Process 0 2V O EE Command C1 Ch 2 Out J2 3 Prop PWM Sourcing 4 OV 021 DRF Rev A DRF User Manual 22 Copyright High Country Tek Inc 2013 tet Chectro fytiraulic Control Boiuthons Mining amp Exploration d Agriculture lt Cranes amp lifts DRF Closed loop Valve Controller Refuse amp Re cycling d Construction d Off Road vehicles Forestry Wood amp Pulp Reclamation amp Salvage Ze Oil Field amp Sands Demolition Equipment Cooling Solutions Military Apparatus Specialty Use d Remote Control d Power Generation Emission Controls Integrated Drivers HCT Product Sales and Support For a full list of authonzed distributors worldwide please visit Valve amp Pump Controls www hctcontrols com distributors index htm Need More Information For customer service pricing order placement and application support contact us through E mail at info hctcontrols com www hctcontrols com G hydraulics A SUN Hydraulics C ompany C Electro Hydraulic Control Solutions High Country Tek Inc 208 Gold Flat Court Nevada City CA 95959 Tel 1 530 265 3236 Fax 1 530 265 3275
7. AMP UP TIME C2RAMP DOWN TIME 0 0S 021 DRF RevA Copyright High Country Tek Inc 2013 DRF Closed loop Valve Controller When the feedback channel 2 input 5 5V is less than the command channel 1 input 7 2V DRF outputs 0 74A to Channel 1 Channel 2 does not have an output x Device DRF4 V25 Version V1 04 Source DRF4 V25 on COM DRF4 V25 Version 1 04 C1 MODE 3 VEL NO ENBL C1 PROPORTIONAL 100 C1 INTEGRALGAIN 200 C1 DERIVATIVE 0 0 C1 PID LOOP TIME 1 CYCLES C1 DEADBAND C1 MINIMUM INPUT C1 MAXIMUM INPUT C1 MIN OUTPUT C1 MAX OUTPUT C1 RAMP UP TIME CIRAMP DOWN C2 MODE C2 MINIMUM INP C2 MAXIMUM INP C2 MIN OUTPUT C2 MAX OUTPUT C2 RAMP UP TIME C2RAMP DOWN TIME 00 0 02A 0 74 1 00A 0 74 DRF User Manual E Gun HFFA cee HeT Control Boluthons Open loop dual coil Mode 0 5V to 9 5V drives the channel 1 output 0 5 to 9 5V drives the channel 2 output Channel 1 has an output of 0 56A because the input is 5 5V og ORF4 V25 on COM32 Parameter Setting DRF4 V25 Version 1 04 C1 MODE 1 CUR NO ENBL C1 PROPORTIONAL 100 CIINTEGRALGAIN 200 C1 DERIVATIVE 0 0 C1 PID LOOP TIME 1 CYCLES C1 DEADBAND C1 MINIMUM INPUT C2 MINIMUM INFIUT C2 MAXIMUM INAUT C2 MIN OUTPUT C2 MAX OUTPUT C2 RAMP UP TIME C2RAMP DOWN TIME USS 021 DRF RevA Copyright High Country Tek Inc 2013 DRF User Manual DRF Closed loop Valve Controller Channe
8. Ae DRF Closed loop Valve Controller Clecto tytirautic Control Golutions DRF Closed loop and Open loop Proportional Valve Controller High Country Tek Inc reserves the right to improve this product at any time and without notice This manual may contain mistakes and printing errors The content is regularly checked and updated Please check our website or contact our customer support for latest version HCT accepts NO liability for technical mistakes or printing errors or their consequence 021 DRF RevA DRF User Manual Copyright High Country Tek Inc 2013 E bri HFFA Lorg SN He DRF Closed loop Valve Controller Contents MV CNG ONG EE 3 Product Application Guidelines EE 4 DRE CONTOS sty caret os A E E EE EE E A E E E E E E E E ER 5 Operating Specifications cc ccceeeeeccceeeceeeeeeeeeceeeeeeaaeeeseceeeeeesaeeeeseeeeeeeeseaeasseceeeeessseueseceeeeessaaeaeeeeeeessssaaaeeeseeees 5 PAYSA LODOS leide eee a E E A T A A E iis 6 User enn e 6 CO FIMO ANNO E 7 CULE FNS a E N E E E E E E E E A E E EE 10 PID AGONI E 13 See eier 13 MAMAN eaea a teres AE A EEE E ent eneeesae senna nena E E A dope noseteeeeeahentareaeuas cance E E 18 DOET aie d Ee Ir WEE 19 elei leede ul 20 Open Loop Double Solenoid Control DRF2 VXxX cccccccccccecceseeseeeceeeeeeseaeeeeeceeeeeeseesaeeceeeesesseaaaeeeeeeeessaaeaeees 20 Double Single Single Solenoid Control DREA Na 21 Closed Loop Velocity Mode DRF2 VXxX cccccss
9. Ch 1 Ch 1 Input 20 e Double Single Single Solenoid Control DRF4 Vxx The DRF drives a dual coil valve with joystick input J5 1 and 2 single coil valves with joystick input J6 1 and J6 3 Set the dither and output settings according to the valve specifications Schematic V Power Input 9 32VDC Eiacrge Meckagik Qian Shur DRF4 Controller Het PWR J1 1 GND J1 2 Enable J1 3 10V Ref Out J4 3 Ch 1 I P J5 1 10V Ref Out J4 1 Ch 2 I P J5 3 Sig GND J4 2 J5 2 Sig GND J2 2 Ch 1 Out J2 1 Ch 2 Out J2 3 Electronic Valve Ch 3 I P J6 1 Sig GND J6 2 Ch 4 I P J6 3 Ch 3 Out J3 1 Sig GND J3 2 Ch 4 Out J3 3 021 DRF Rev A V Enabled 10VDC 20mA Supply Voltage 0 10VDC 4 12mA 0 to 10VDC 12 20mA Prop PWM Sourcing Prop PWM Sourcing 10VDC 20mA Supply Voltage 0 10VDC 0 10VDC 10VDC 20mA Supply Voltage Prop PWM Sourcing Prop PWM Sourcing DRF User Manual DRF Closed loop Valve Controller Example Settings Parameter Value C1 Mode 2 CUR USE ENBL C1 Min input 0 2 V C1 Max input 10 0 V C1 Min output 5 mA C1 Max output 600 mA C1 Ramp up 1S C1 Ramp down 1S C2 Mode 4 IN1 USE ENBL C2 Min input 0 2 V C2 Max input 10 0 V C2 Min output 5 mA C2 Max output 600 mA C2 Ramp up 0 S NOT USED
10. D loop time Setup Procedure 1 Select the operating frequency 2 Set the Minimum and Maximum Outputs according to the valve specs 3 Set the Dither Frequency according to the valve specs Higher dither frequencies can improve frequency response 4 Start with Proportional only to achieve a stable system 5 Add Integral 6 Add Derivative to improve system response and or stability 021 DRF Rev A DRF User Manual 13 Copyright High Country Tek Inc 2013 ED hydrautics HeT Eiecto tydraulic DRF Closed loop Valve Controller Control Solutions DRF Closed loop control Place channel 1 in Mode 3 or 4 channel 2 in mode 1 or 2 When the feedback channel 2 input 5 5V is greater than the command channel 1 input 3 8V DRF outputs 0A to Channel 1 Channel 2 does not have an output _ Reading Sanaa ojlo EM A JOS x ik Device DRF4 V25 Version V1 04 Source DRF4 V25 on COM32 Parameter Setting DRF4 V25 Version 1 04 C1 MODE 3 VEL NO ENBL C1 PROPORTIONAL 10 0 C1 INTEGRAL GAIN 200 C1 DERIVATIVE 0 0 C1 PID LOOP TIME 1 CYCLES C1 DEADBAND DIN C1 MINIMUM INPUT C1 MAXIMUM INPUT C1 MIN OUTPUT C1 MAX OUTPUT C1 RAMP UP TIME CIRAMP DOWN TIM C2 MODE C2 MINIMUM INPUT C2 MAXIMUM INPUT 1 IN2 NO ENBL 0 5V 5 5 9 5V 5 5 C2 MIN OUTPUT 0 02A 0 00 C2 MAX OUTPUT ODA 0 00 C2 RAMP UP TIME C2RAMP DOWN TIME 0 0S 021 DRF RevA Copyright
11. High Country Tek Inc 2013 DRF User Manual When the feedback channel 2 input 5 5V is less than the command channel 1 input 9 8V DRF outputs 0 74A to Channel 1 Channel 2 does not have an output DRF4 V25 Version 1 04 2 ba LOLO Device ODRF4 V25 Version V1 04 Source DRF4 V25 on COM32 Parameter Setting ot DRF4 V25 Version 1 04 C1 MODE 3 VEL NO ENBL C1 PROPORTIONAL 100 C1 INTEGRALGAIN 200 C1 DERIVATIVE 0 0 C1 PID LOOP TIME 1 CYCLES C1 DEADBAND C1 MINIMUM INPUT O5V 9 8 C1 MAXIMUM INPUT VT C1 MIN OUTPUT C1 MAX OUTPUT C1 RAMP UP TIME 0 02A 0 74 1 00A 0 74 0 0S CIRAMP DOWN TIFE 00S C2 MODE 1 IN2 NO ENBL C2 MINIMUM INPU 0 5V 5 5 9 5V 5 5 C2 MIN OUTPUT 0 02A 0 00 C2 MAX OUTPUT C2 RAMP UP TIME PORAMP NAWA TIME When the feedback channel 2 input 5 5V is greater than the command channel 1 input 1 3V DRF outputs 0A to Channel 1 Channel 2 does not have an output D DE ig d KS e e ape e i p Device DRF4 V25 Version V1 04 Source DRF4 V25 on COM32 Parameter Setting gt DRF4 V25 Version 1 04 C1 MODE 3 VEL NO ENBL C1 PROPORTIONAL 100 CIINTEGRALGAIN 200 C1 DERIVATIVE 0 0 C1 PID LOOP TIME 1 CYCLES C1 DEADBAND C1 MINIMUM INPUT C1 MAXIMUM INPUT C1 MIN OUTPUT C1 MAX OUTPUT C1 RAMP UP TIME CIRAMP DOWN C2 MODE C2 MINIMUM INPU C2 MAXIMUM INPU C2 MIN OUTPUT C2 MAX OUTPUT C2 R
12. V25 Version 1 04 DRF4 V25 io CH PROPORTIONAL 100 C1 MODE C1 MODE CIINTEGRALGAIN 200 C1 PROPORTIONAL 100 C1 PROPORTIONAL 100 C1 DERIVATIVE 00 CIINTEGRALGAIN 200 CIINTEGRALGAIN 200 C1 PID LOOP TIME 1 CYCLES C1 DERIVATIVE 00 C1 DERIVATIVE 00 C1 DEADBAND 0 000V C1PIDLOOP TIME 1CYCLES CIPIDLOOP TIME 1CYCLES dees ean om 90 COENEN ot C1 MIN OUTPUT Fra 0 00 C1 MINIMUM INPUT 02V 0 0 C1 MINIMUM INPUT 0 2V 0 0 Gemen IRADO C1 MAXIMUMINPUT 10 0V 0 0 C1 MAXIMUM INPUT 10 0V 0 0 CI RAMP UPTIME 00S C1 MIN OUTPUT 0 02A 0 00 C1 MIN OUTPUT 0 02A 0 00 CIRAMP DOWN TIME 0 05 C1 MAX OUTPUT 1 00A 0 00 C1 MAX OUTPUT 1 00A 0 00 C2 MODE 1 IN2 NO ENBL C1 RAMP UP TIME 00S C1 RAMP UP TIME 00S C2 MINIMUM INPUT 02V 0 0 CIRAMP DOWN TIME 00S CIR DOWN TINE AS C2 MAXIMUM INPUT 10 0V 0 C2 MODE 1 IN2 NO ENBL C2 MODE 1 IN2 NO ENBL C2 MIN OUTPUT 0 024 0 00 C2 MINIMUM INPUT 02V 0 0 C2 MINIMUM INPUT DANI 0 0 C2 MAX OUTPUT 1 00A 0 00 C2 MAXIMUM INPUT 10 0V 0 0 C2 MAXIMUM INPUT 10 0V 0 0 C2 RAMP UP TIME 0 0S C2 MIN OUTPUT 0 02A 0 00 C2 MIN OUTPUT 0 02A 0 00 C2RAMP DOWN TIME 0 0S C2 MAX OUTPUT 1 00A 0 00 C2 MAX OUTPUT 1 00A 0 00 C3MODE 1 CLR NO FNRI CRAMP UPTIME 005 C2 RAMP UP TIME 0 05 E DnHrhkatkrsLraggpe Met Eectze t etrgaulke Control Golutions DRF Closed loop Valve Controller When uploading settings from a data file the static table shows the settings from the data file but they are not in the controller yet
13. be Mode 1 channel 2 to be Mode 3 If enable switch is used set channel 1 to be Mode 2 channel 2 to be Mode 4 The minimum and maximum input parameters for the two channels should not be overlap Set the dither and output settings according to the valve specifications Schematic V Power Input 9 32VDC PWR J1 1 GND J1 2 Het Eiere Qa uken Enable J1 3 10V Ref Out J4 3 Ch 1 I P J5 1 10V Ref Out J4 1 D HE Ch 2 I P J5 3 Electronic Valve Sig GND J4 2 Controller J5 2 Sig GND J2 2 Ch 1 Out J2 1 Ch 2 Out J2 3 021 DRF Rev A DRF Closed loop Valve Controller Example Settings Parameter Value C1 Mode 2 CUR USE ENBL C1 Min input 0 2 V C1 Max input 10 0 V C1 Min output 5 mA C1 Max output 600 mA C1 Ramp up 1S C1 Ramp down 15S C2 Mode 4 IN1 USE ENBL C2 Min input 0 2 V C2 Max input 10 0 V C2 Min output 5 mA C2 Max output 600 mA C2 Ramp up 1S C2 Ramp down 15S V Enabled 10VDC 20mA Supply Voltage 0 to 10VDC 4 12mA 12 20mA 0 to 10VDC Prop PWM Sourcing Prop PWM Sourcing DRF User Manual Dither frequency Input Output Diagram Ch 2 Current 600mA 5mA 10V Ch 2 Copyright High Country Tek Inc 2013 Center OV 0 2V Ch 2 150 Hz Ch 1 Current 600mA 0 2V 10V Command
14. fore operating the controller Follow and abide by local and country health amp safety standards 021 DRF Rev A DRF User Manual 4 Copyright High Country Tek Inc 2013 Q nydrautics e DRF Controllers The DRF controller drives proportional solenoid valves in a closed loop system to follow a command signal When the feedback is greater than the command input the coil receives full current when the feedback is less than the DRF Closed loop Valve Controller command input the coil receives 0 current Once configured the settings are permanently stored in the controller memory DRF Features Operating Specifications Easily configured using HCT Graphical User Interface GUI or HCT Hand Held Interface HHI LED indication of power output current and fault status DIN rail mount housing with removable terminal blocks Multiple modes for open loop and closed loop applications programmable enable input All input and output limits are independently adjustable Adjustable output with short circuit protection adjustable ramp up and ramp down rates Fully adjustable PID control loop Supply Voltage 9 to 32VDC Supply Current Valve current 50mA Quiescent Max Output Current DRF x06 600mA MAX per channel DRF x12 1 2A MAX per channel DRF x25 2 5A MAX per channel Coil Resistance 20 MIN Reference Voltages 10V 10V 20mA DRF Vxx versions only Dither Frequency 30 50 75
15. its and units of measure for each parameter Parameter Limits Units DRFx xxx Version C1 Mode See Mode Description Mode C1 Proportional gain 0 0 to 100 C1 Integral gain 0 0 to 100 C1 Derivative gain 0 0 to 100 KC C1 PID loop time 1 to 30 Cycles C1 Deadband 0 0 to 2 0 V mA Previous S parameters repeated T C1 Min input 10 to 10 0 4 to 20 0 VM mA C1 Max input 10 to 10 0 4 to 20 0 V mA C1 Min output 0 to 600 mA C1 Max output 0 to 600 mA C1 Ramp up 0 0 to 120 0 Seconds C1 Ramp down 0 0 to 120 0 Seconds eus b paranese alan cl Pe Dither frequency 30 to 1000 Hz C1 Command input V mA C1 Output current mA Supply voltage Volts Fault status Fault 10 to 1 2 A for 12A version 0 to 2 5 A for 25A version Parameters starting with C1 are repeated for each channel and are displayed as C2 to C4 021 DRF Rev A DRF User Manual 10 Copyright High Country Tek Inc 2013 a Hcl DRF Closed loop Valve Controller DRFx xxx The title parameter is fixed It displays the model number and the firmware version Cx MODE Four modes of operation 1 CUR NO ENBL Open loop use its own input 2 CUR USE ENBL Open loop use its own input 3 VEL NO ENBL Closed loop C1 amp C3 are the command inputs 4 VEL USE ENBL Closed loop C1 and C3 are the command inputs 1 IN2 NO ENBL Open loop single coil
16. l 1 has an output of 0 22A because the input is 2 4V Readi g t Guer nc g Controlle SPL aa Device ORF4 V25 Version V1 04 Source ORF4 V25 on COM32 Parameter Setting DRF4 V25 Version 1 04 C1 MODE 1 CUR NO ENBL C1 PROPORTIONAL 100 C1 INTEGRAL GAIN 20 0 C1 DERIVATIVE 0 0 C1 PID LOOP TIME 1CYCLES C1 DEADBAND KER C1 MINIMUM INPUT C1 MAXIMUM INP C1 MIN OUTPUT C1 MAX OUTPUT C1 RAMP UP TI E 0 0S CIRAMP DOWNTIME C2 MAXIMUM INFUT C2 MIN OUTPUT C2 MAX OUTPUT C2 RAMP UP TIME C2RAMP DOWN TIME GI E Gun Apinauies cee HeT Eectze t etrgaulke Control Golutions Channel 2 has an output of 0 34A because the input is 3 5V DRF4 V25 on EMT A Device DRF4 V25 Version V1 04 Source DRF4 V25 on COM32 Parameter Setting DRF4 V25 Version 1 04 C1 MODE 1 CUR NO ENBL C1 PROPORTIONAL 100 CIINTEGRALGAIN 200 C1 DERIVATIVE 0 0 C1 PID LOOP TIME 1 CYCLES C1 DEADBAND C1 MINIMUM INPUT C1 MAXIMUM INPU C1 MIN OUTPUT C1 MAX OUTPUT C2 MIN OUTPUT C2 MAX OUTPUT C2 RAMP UP TIME C2RAMP DOWN TIME OS 021 DRF RevA Copyright High Country Tek Inc 2013 DRF Closed loop Valve Controller Channel 2 has an output of 0 64A because the input is 6 4V A lalla Device DRF4 V25 Version V1 04 Source DRF4 V25 on COM32 DRF4 V25 Version 1 04 C1 MODE 1 CUR NO ENBL C1 PROPORTIONAL 100 CIINTEGRALGAIN 200 C1 DERIVATIVE 0 0 C1 PID LOOP TIME 1
17. ld be disabled prior to changing setup values or operating modes In every case exercise caution and work should be completed only by qualified personnel 021 DRF RevA DRF User Manual 3 Copyright High Country Tek Inc 2013 G nydrautics a Hcl DRF Closed loop Valve Controller tr Product Application Guidelines ALWAYS do the following FULLY read this manual and accompanying data sheets BEFORE starting Isolate this unit from all other equipment BEFORE any form of welding Isolate the controller from ANY form of battery charging or battery boosting Be aware of the electrical amp mechanical connections and the expected reactions of the equipment Operate the units within the temperature range Use the correct tools to do the job i e P C software etc Separate High Voltage AC cables from Low Voltage DC signal and supply cables Make sure power supply is CORRECT ELECTRICALLY CLEAN STABLE and rated for the full load Make sure the controller output voltage amp current is compatible with the equipment All unused wires terminals should be terminated safely Ensure ALL connectors have no unintended SHORT or OPEN circuits Ensure ALL connectors are wired correctly secure locked in place and fully connected Disconnect or connect wires to or from this unit only when the power supply is disconnected Use adequate screening in areas of intense Radio Frequency fields Ensure ALL work areas are clear of personnel be
18. n the brackets is the present output current Cx RAMP UP DOWN Sets the time for Output current to ramp UP or Down through the full input range These parameters are variable DITHER FREQ Options 30 50 75 100 125 150 175 200 225 250 275 300 and 1000 Hz Set the PWM or dither frequency according to the valve specifications This parameter is variable Cx COMMAND INPUT Displays the present input This parameter is a monitor type Cx OUTPUT CURRENT Displays the present output current This parameter is a monitor type SUPPLY VOLTAGE Displays the module s power supply voltage It is helpful for troubleshooting This parameter is a monitor type FAULT STATUS The STATUS LED will flash red 2 times for Coil Open and 3 times for Coil Short in both open loop modes and closed loop modes In open loop mode the LED will continue to flash until clearing faults by moving the command signal out of active range or cycling the power In closed loop mode only power cycle can clear the faults 021 DRF RevA DRF User Manual 12 Copyright High Country Tek Inc 2013 Q nydrautics Hcl DRF Closed loop Valve Controller n tral Gotutioe PID Algorithm The controller uses a digital velocity PID algorithm as shown O t O t 1 P e t e t 1 I T e t D T e t e t 2 2 e t 1 Where O output P proportional gain term integral gain term D derivative gain term e t error at time t T PI
19. s but this device does not have the capability to save the settings in a data file The programmer cable and adapter are self contained which makes the HHI a viable alternative for field work 021 DRF RevA DRF User Manual 6 Copyright High Country Tek Inc 2013 ED nydrautics Da He DRF Closed loop Valve Controller Configuration The GUI has A buttons ran from a PC Lock Unlock Up and Down There are short cut keys lock unlock up and down The HCT Hand Held Interface has the same 4 buttons and 2 line LCD DRF4 V25 on COM31 a 2I DRF4 V25 on COM31 ANA Hand Held i Programmer PiNo HHI ac CL MODE S MODE 3 VEL No ENDL l CUR NO ENBL 2 rl ZB HE A a t r x tom Eou Use TECH a D I et ve oaa wwe A Cleanirois cor Use the up and down arrows to navigate through the parameter list The display will show the next parameter in the list when pressed The parameter name is on the first line and the value is on the second line The list is in circular stepping down from the last parameter to the first and vice versa There are three types of parameters fixed monitor and variable Fixed parameters show the module s firmware version etc Monitor parameters display output current and system voltage Use variable parameters to configure the controller such as maximum output current operating mode
20. ssccccceesseeeeeceeeseceeecseuseceeecsaeseceeeesaaseceeessaaeeeeessaaaeeeesssaageeessssaaaes 22 021 DRF Rev A DRF User Manual 2 Copyright High Country Tek Inc 2013 G hydrautics a Hcl DRF Closed loop Valve Controller Welcome Welcome to High Country Tek Inc HCT is North America s foremost independent designer and producer of modular ruggedized digital and analog electronic controllers for the fluid power industry From our factory in California we manufacture specialty controllers for specific functions and the user programmable DVC family to enable large area networked system solutions The modules are used in mobile industrial and marine applications They are also applied successfully in other industry segments HCT products are encapsulated in solid flame resistant material for maximum durability electrical integrity and complete environmental security HCT is a market leader in many application arenas including hydraulic generator e Fan and hydraulic fan system controls These controllers facilitate significant fuel emission and operational savings HCT s market neutrality offers integration with any hydraulic OEM valves pumps sub systems or systems For more information please visit us at www hctcontrols com Cautions Changing setup values or operating modes while a machine is running may cause unintended machine movement lt could lead to possible injury or death Any moving parts shou
21. t or to correct for small deviations over time A higher gain will result in more integral control but can cause oscillation It is variable type DERIVATIVE GAIN Sets the D term in a PID control loop It is the rate of change of error The higher the derivative gain the quicker the system will respond to sudden changes It is variable type 021 DRF Rev A DRF User Manual 11 Copyright High Country Tek Inc 2013 Q nydrautics a Hcl DRF Closed loop Valve Controller PID LOOP TIME Sets the PID loop closure time in number of dither cycles The lower the number the more quickly the system responds to error It is a variable type DEADBAND Sets the error tolerance of the PID loop The control will only respond to error greater than the Deadband parameter For a velocity loop the output will remain at a fixed level For a position loop both outputs will remain off This parameter is a variable type Cx MIN INPUT Sets the minimum command input The input can be inverted The value in the brackets is the present command input Cx MAX INPUT Sets the maximum command input The input can be inverted The value in the brackets is the present command input Cx MIN OUTPUT Sets the minimum output current milliamps for O6A amps for 12A 25A The value in the brackets is the present output current Cx MAX OUTPUT Sets the maximum output current milliamps for O6A amps for 12A 25A It cannot be inverted The value i
22. valve use its own input Closed loop feedback 2 IN2 USE ENBL Open loop single coil valve use its own input Closed loop feedback 3 IN1 NO ENBL Open loop dual coil valve use inputs from C1 amp C3 4 IN1 USE ENBL Open loop dual coil valve use inputs from C1 amp C3 Open Loop Modes Modes 1 and 2 are open loop modes for channel 1 amp 3 For modes 1 amp 2 channels 2 amp 4 use its own inputs For modes 3 amp 4 channels 2 amp 4 use the inputs from channel 1 amp 3 for dual coil applications E g to drive a two coil directional proportional valve set C1 mode 1 and C2 mode 3 Do not overlap the input ranges Closed Loop Modes Modes 3 and 4 use the velocity PID algorithm Channel 1 or 3 input is the command input channel 2 or 4 input is the feedback Only channel 1 or 3 has output current When the feedback is bigger than the command the output reduces to 0A when the feedback is smaller than the command the output current increases to maximum current until the feedback matches the command PROPORTIONAL GAIN Sets the P term in a PID control loop It is a multiplication of the error added to the output The higher the setting the faster the response will be Also higher settings result in shorter ramp time but it can cause oscillation It is variable type INTEGRAL GAIN Sets the term in a PID control loop It is the sum of the error over time It overcomes an offset in the outpu
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