EC20300
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Sealed Interface Control: EC20300 • Weather tight control package • Pulse Width Modulated output • Waterproof altitude pressure and vapor release vent allows enclosure to "breathe". • Protected against reverse polarity, short circuit, and over voltage conditions. • Current controlled output, maintains output current regardless of supply voltage and coil resistance variations. • On board proportional indicators for input signal and output signal. Also includes an on/off power and potentiometer status indicator. • Two Enable lines are provided, one with adjustable soft stop, both with adjustable soft • Independent ramp adjustments up and down, 0.1 -12 seconds. • Minimum and Maximum current adjustment for fine tuning the outputs span. • Wide voltage supply range 12-30 VDC, one control for 12 or 24VDC systems. The EC20300 conveniently interfaces a PLC or transducer with a proportional solenoid. The EC20300 has been designed to meet the various requirements of mobile and industrial hydraulic control applications. EC20300 controls are versatile, cost effective and easily integrated into new or pre-existing designs. Much of this is a result of the unique ability each card has to accept 4 different signals. The EC20300 can accept any of the following input types: Potentiometer, 0-10V, 0-5V, or 4-20mA. The control takes these signals and converts them into a PWM output suitable for a Brand EFC-Series valve or other proportional valves that meet the proper specifications.

Electronic Controls CONTROL LAYOUT: BRAND Functions 1. Waterproof altitude pressure and vapor realese vent. 2. Master power indicator. E1947 Output Cable Pin 1, Wire #1, Positive 12-30 VDC Supply Input Pin 2, Wire #2, 4-20 mA Input Pin 3, Wire #3, 0-5 Volt Input Pin 4, Wire #4, 0-10 Volt Input Pin 5, Wire #5, Signal Ground Pin 6, Wire #6, 10 Volt Reference Pin 7, Wire #7, Potentiometer Wiper Input Pin 8, Wire #8, Potentiometer Ground Pin 9, Wire #9, Enable Input Pin 10, Wire #10, Positive EFC Output Pin 11, Wire #11, Ground Pin 12, Wire Green/Yellow, System Ground E1914 Mating Output Cable...

Electronic Controls INTERNAL LAYOUT: Power LED LED indicates when board has DC power present. LED turns off when the enable input becomes active (switched low). Input Signal LED Proportional to the level of input signal. Output Signal LED Proportional to the level of output current. Minimum Output Adjustment Clockwise: Increases Output Maximum Output Adjustment Clockwise: Increases Output Ramping Down Clockwise: Increases the Outputs Ramp off time. Ramping Up Clockwise: Increases the Outputs Ramp on time. Power Red Input Signal Green P.F.P. Red Output Blue P.F.P. Potentiometer Fault...

Electronic Controls TYPICAL SYSTEM CONFIGURATIONS: EC20300 & Brand Series Flow Control 10A FUSE 0-5V Transmitter 0-10V Transmitter Gray Blue Black Signal Ground Remote Potentiometer 10V Reference Potentiometer Wiper Potentiometer Ground System Ground NOTE: Brand Hydraulics recommends a 10 amp fuse be placed within 18 inches of this controls power source. The fuse and power source are customer supplied parts. Also, ensure that all unused wires are capped, and electrically isolated from each other and ground.

Electronic Controls DIMENSIONAL DATA: inches & [millimeters] Mounting Feet Can Be Rotated Bottom View of Enclosure Mounting Holes (Optional Mounting Method)

Electronic Controls INPUT SPECIFICATIONS: Potentiometer Wiper Input Impedance Wiper Input range Potentiometer guidelines Resistance Minimum Power rating 0-10 Volt Input Input Impedance Step response 0-5 Volt Input Input Impedance Step response 4-20mA Input Input Impedance Step response Enable Input Input Impedance High state EN pin voltage Source current while pulled low Ramping Enable Input Input Impedance High state REN pin voltage Source current while pulled low Solid State Outputs (A & B) Input Specifications Input Impedance Output Off Input Voltage Range Output Undetermined (Unstable)...

Electronic Controls Adjustments: Minimum output or zero setting Maximum output Clockwise rotation increases minimum output 0 - 1.5 Amps Clockwise rotation increases maximum output 0.05 - 2 Amps Maximum output will always be 50 mA greater then the minimum output Ramping Down, or Fall Time Clockwise rotation increases ramp time 0.1 - 12 Seconds Ramping Up, or Rise Time Clockwise rotation increases ramp time 0.1 - 12 Seconds ADJUSTMENT PROCEDURE: Adjustments are made by turning a trim pot screw. The trimmers are 25 turn, end to end devices. The trimmers have a built in slip clutches so over...

Electronic Controls MIN/MAX Adjustments Control Output Ramping Signal Input Control Output Control Input Signal Rise Time Fall Time ENABLE INPUTS: The Enable Inputs can be used to turn the controllers output on and off, without having to switch on/off the main power source. The EC0004A cards are supplied with two unique types of Enable inputs, EN and REN. When the EN line is switched to ground the control will go into sleep mode. It will be as if the controls power source has been turned off. When the EN line is switched back to its normal state, open to ground, the control output will...

Electronic Controls Output Current vs. 0-10V Input Signal Output Current vs. Potentiometer Wiper Input Output Regulation vs. Load Resistance (Set point 1 Amp, 26VDC Supply) Output Current vs. Voltage Supply Fluctuation Output Current vs. 4-20mA Input Signal Output Current vs. 0-5V Input Signal Load Resistance in Ohms Note: Unless stated otherwise the above readings were taken at 25C, with control connected to a 14.6V supply, and the output was set for 1 amp.

Electronic Controls PARTS AND ACCESSORIES: E1803………………...Potentiometer assembly 10K Ohm, 2 Watt, comes with 6’’ leads E1048………………...Potentiometer dial plate, 2.125’’ diameter E1071………………...Potentiometer seal nut E1050………………...Potentiometer knob, black with a light grey pointer E1907.………………..Water proof pressure and vapor release vent E1908………………...Vent lock nut E1902………………...Mounting feet kit, includes 4 feet and 4 screws Contact your local Brand Hydraulics distributor for pricing. ATTENTION: WARNING: All used and unused wires should be secured and electrically isolated from each other and...