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KVEBS1099 Electrical Displacement Control - Sauer-Danfoss

KVEBS1099 Electrical Displacement Control - Sauer-Danfoss

KVEBS1099 Electrical Displacement Control -

DESCRIPTION KVEBS1099 ELECTRICAL CONNECTION AND CHARACTERISTICS Unit Specifi cation Sheet KVEBS1099 Electrical Displacement Control Intrinsically Safe 4-20 mA This device is a two stage electrohydraulic pump stroke control which uses mechanical feedback to establish closed loop control of the swashplate angle of Sauer-Danfoss Series 90 PV. This Electrical Displacement Control is designed to be controlled directly from a 4-20 mA current source. The pilot stage contains an arc suppression circuit that is intrinsically safe and is qualifi ed for use in specifi c hazardous locations. The term “intrinsically safe” refers to a design technique based on limiting energy, electrical Pump Phasing With EDC Manual Operator (MO) Pump Rotation CW CCW D C MO Rotation Towards Connector Towards Connector A B 2009 Unit Specifi cation Sheet K28273 Issue 1, September 2001 Control Port Goes High X2 X2 Active Pins A, B Pump Flow Out Port B A Pin orientation of 4-pin, 90° MS Mating Connector. Part No. MS3108E-14S-2S (Sauer-Danfoss Kit No. K08106). and thermal, to a level below that required to ignite a specifi c hazardous atmospheric mixture. This device is Factory Mutual certifi ed for use in Class I, II, or III, Division 1, Group C, D, F, and G hazardous locations as defi ned by the National Electrical Code, NFPA-70 when used with approved barriers. This device is also Factory Mutual certifed for use in Division 2, Group C, D, F, G. If a given application requires only Division 2 approval, an inline barrier may not be required. Input Shaft Rotation vs. Terminal Connection vs. Output Flow. Input Shaft Rotation Clockwise Counterclockwise A B + phasing to terminals A B A B Start Full Stroke Start Full Stroke Coil Ω Current (mA) Current (mA) Voltage (Vdc) Voltage (Vdc) 75° F 4.5 - 7.5 16.0 - 20.0 0.5 - 0.8 1.75 - 2.2 110 Maximum Continuous Current 40 mA at 4.4 Vdc. The EDC is designed to be controlled from a dc current source or voltage source. Pulse width modulation (PWM) is not required. But if a PWM signal is used, it is preferred to avoid a carrier frequency < 200 Hz. Do not use a pulse current of more than 120% of that required for full output. © Copyright 2001, Sauer-Danfoss (US) Company. All rights reserved. Contents subject to change. Produces Flow Out of Port A B B A 2136 Scale factor: 5.5 ± 0.5 psid /mA Coil inductance: 0.435 henries at 70°F 1

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