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SHIPPING: 2332 S0 25TH STREET (ZIP 68105) MAILING: P.O. BOX #6069 OMAHA, NE 68106 PHONE: (402) 344-4434 FAX: (402) 341-5419 HTTP://WWW.BRAND-HYD.COM ELECTRONIC INTERFACE CONTROL “EC0003” FEATURES: • • • • • • • • • • • ACCEPTS 4-20 mA OR 0-10 VDC input signals from PLC’s, Transducers, etc. (Input signal must be specified when ordering (4-20 mA is standard at this time)) LIGHTWEIGHT IN DESIGN to minimize panel fatigue. SMALL IN SIZE to minimize space requirements. PULSE WIDTH MODULATION OUTPUT to reduce the effects of hysteresis. SHORT CIRCUIT PROTECTION to guard against over current conditions. (Onboard Fuse) INPUT PROTECTION from voltage transients, load dumps and reverse polarity from supply voltage. PLUGGABLE TERMINAL BLOCKS for easy wiring. CAN BE MOUNTED to a 35mm DIN rail, Series rail or surface mounted. CAN BE PACKAGED for mobile applications. LED’S TO INDICATE that power is present and to indicate that an input signal is present. COATED CIRCUIT BOARD has a special conformal coating to guard against moisture, dust and other contaminates. SPECIFICATIONS: • • • • • • • • • Input Signal: 4-20 mA. Input Impedance: 500 Ω . Supply Voltage: 12.70-18.00 VDC. PWM Frequency: 100 Hz Average. Approximate Weight: 4.80-oz (136 g). Output Voltage: 12 VDC, regardless of input supply voltage between 12.70-18.00 VDC. Output Current: 1.0 amp Nominal, 1.5 Amp Max. Operating Temperature: -40°° to 176°° F (-40°° to 80°° C) Storage Temperature: -40°° to 194°° F (-40°° to 90°° C) Revision A Page #1 Electronic Interface Control EC-GENERAL INFORMATION: The Brand, electronic interface control is designed to proportionally adjust the Brand EFC-Series valves and other proportional valves that meet the appropriate solenoid specifications. The control can be mounted on a standard DIN rail or Series rail. Brand can also package these controls for harsh environment use on mobile equipment. This control will take the industry standard 4-20 mA or 0-10 VDC signal and convert it to a linear Pulse Width Modulated (PWM) output. This signal may be found in many devices, for example, Programmable Logic Controllers (PLC’s), pressure sensors, flow sensors, ultrasonic sensors, position sensors and AC current sensors, just to name a few. Each controller produced is burned-in for 24 hours after assembly to assure the controller is operating properly and meets all specifications. There are also many other quality assurance procedures that our controllers go through before they are shipped. All tests are performed with up to date, state of the art test equipment that is calibrated to NIST standards by an independent laboratory on a yearly basis. EC – COMPLETE LIST OF MODEL CODES AND ACCESSORIES: EC0003……………….…Electronic interface control. E1002……………….…...Fuse 1.5 amp. EC OUTPUT CURRENT VS. INPUT CURRENT: Output Current vs. Input Current for EC0003 1000 Readings may vary slightly for every control and valve combination. Output Currrent (mA) 900 800 700 600 500 400 300 200 100 0 0 2 4 6 8 10 12 14 Input Current (mA) from a Sensor Page #2 16 18 20 Electronic Interface Control EC/EFC – SERIES SCHEMATIC DRAWING: DIMENSIONAL DATA: Page #3 Electronic Interface Control EC0003 WIRING DIAGRAM: Page #4