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User Guide for SAUER-DANFOSS models including: MCE125A Ramp Card Amplifier, MCE125A, Ramp Card Amplifier, Card Amplifier, Amplifier
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DocumentDocumentPhased Out Products MCE125A Ramp Card Amplifier Technical Information Phased Out Products MCE125A Ramp Card Amplifier Technical Information Overview DESCRIPTION The Sauer-Danfoss MCE125A Ramp Card Amplifier provides a time-delayed control for MCV104A, MCV105A or MCV111B Electrical Displacement Controls (EDC) for hydrostatic transmissions.The adjustable ramptime is the same for up and down.The Amplifier operates uni- or bidirectionally. FEATURES · Proportional driving of an EDC with a potentiometer. · Adjustable output current. · Adjustable ramptime (0 - 8 seconds). · ON/OFF switching of the delay time possible. · Operates uni- or bidirectionally. · Simple adjustments. · 12 VDC or 24 VDC supply voltage. · Reverse polarity and short circuit protected. · Withstands vibration and shock. ORDERING INFORMATION Controller MCE125A1001 MCE125A1002 Supply voltage [VDC] 12 or 24 12 or 24 Ramp time [seconds] 0 - 8 0 - 20 Id. No. 662338 502539 TECHNICAL DATA EDC ADJUSTMENT Supply voltage: Ripple: Power load: Setpoint: 12 VDC or 24 VDC 20 % 3,6 W or 7,2 W External potentiometer 5 k ± 10 %, 1 W Output current range: 40 mA - 150 mA (at 23 ) Adjustable ramptime: 0 - 8 seconds (Up or Down) © 2001, Sauer-Danfoss Sauer-Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Sauer -Danfoss reserves the right to alter its products without prior notice. This also applies to products already ordered provided that such alterations can be made without subsequent changes being necessary in specifications already agreed. All trademarks in this material are properties of the respective companies. Sauer-Danfoss and the Sauer-Danfoss logotype are trademarks of the Sauer-Danfoss Group. All rights reserved. 2 BLN-96-9211-E · Rev. C · 08/2001 Phased Out Products BLOCK DIAGRAM MCE125A Ramp Card Amplifier Technical Information Block Diagram Engine 1 Position shown: Neutral 2 Position shown: Ramp active EDC MCV104A A B MCV105A MCV111B Setpoint 5k 26 28 choice Unidirectional 24 or Bidirectional 22 2 Ramp ON OFF Ramp function V t Output stage Relay contact K1.1 10 12 R5 Ramp time R12 Neutral balance R39 Output current Neutral detection 18 4 2 choice F 12VDC 30 1A or 24VDC 31 + - 32 Battery 12 or 24VDC Voltage regulator V t BLN-96-9211-E · Rev. C · 08/2001 10V 1 K1 Relay contacts 20 for external connection K1.2 16 S00430a 3 Phased Out Products MCE125A Ramp Card Amplifier Technical Information Theory of Operation THEORY OF OPERATION General The MCE125A Ramp Card Amplifier can be powered with 12VDC (PIN 30) or 24VDC (PIN 31). Both inputs are protected by 680 mA fuses. The external fuse should be 480 mA. The external setpoint potentiometer should be 5 k ± 10 %, 1W. The potentiometer will be supplied by an internally generated stabilized voltage. As shown in the connection diagram, it is possible to work with the ramp card in uni- or bidirectional mode. Two way contacts, open or closed depending on neutral position, are available for such things as neutral start. The ramptime is adjustable with the potentiometer R5 over 0 8 seconds. The neutral adjustment of the output current is adjustable with R12 and the maximum output current with R39. Unidirectional Operation The setpoint potentiometer is connected to pins 24, 26 and 28 (see figures 1 and 2). Bidirectional Operation The setpoint potentiometer is connected to pins 22, 26 and 28 (see figures 3 and 4). In the center position of the potentiometer (neutral position) the value of the output current is <± 5 mA. In this range a neutral position sensor switches off to the EDC and defines a true neutral position. OPERATION DIAGRAMS Figure 1: unidirectional R39 R5 100mA Figure 2: unidirectional 100mA R39 R12 0 0 max. 8s t S01748_33 t S01748_34 Figure 3: bidirectional 100mA R39 R5 Figure 4: bidirectional 100mA R39 R12 5mA 0 0 t 5mA t 100mA 16s S01748_35 100mA 4 BLN-96-9211-E · Rev. C · 08/2001 S01748_36 Phased Out Products DIMENSIONS MCE125A Ramp Card Amplifier Technical Information Dimensions and Connection Diagram MP A B C D E F G H R39 V6 R12 R5 V12 160 100 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 S00293 CONNECTION DIAGRAM MP A B C D E F G H R39 V6 R12 R5 V12 BLN-96-9211-E · Rev. C · 08/2001 1 Position: Ramp active PIN 22: Bidirectional PIN 24: Unidirectional 1 Ramp ON OFF 1 2 3 4 5 6 7 8 9 A EDC 10 MCV104A 11 12 MCV105A 13 14 B MCV111B 15 16 17 18 19 20 Setpoint 21 5k 22 choice 23 24 25 F 12VDC 26 27 28 1A or 29 30 31 F 24VDC 32 1A - + Battery 12 or 24VDC S00384a 5 Phased Out Products OUR PRODUCTS Hydrostatic transmissions Hydraulic power steering Electric power steering Closed and open circuit axial piston pumps and motors Gear pumps and motors Bent axis motors Radial piston motors Orbital motors Transit mixer drives Planetary compact gears Proportional valves Directional spool valves Cartridge valves Hydraulic integrated circuits Hydrostatic transaxles Integrated systems Fan drive systems Electrohydraulic controls Digital electronics and software Battery powered inverter Sensors BLN-96-9211-E · Rev. C · 08/2001 Sauer-Danfoss Hydraulic Power Systems Market Leaders Worldwide Sauer-Danfoss is a comprehensive supplier providing complete systems to the global mobile market. Sauer-Danfoss serves markets such as agriculture, construction, road building, material handling, municipal, forestry, turf care, and many others. We offer our customers optimum solutions for their needs and develop new products and systems in close cooperation and partnership with them. Sauer-Danfoss specializes in integrating a full range of system components to provide vehicle designers with the most advanced total system design. Sauer-Danfoss provides comprehensive worldwide service for its products through an extensive network of Authorized Service Centers strategically located in all parts of the world. Sauer-Danfoss (US) Company 2800 East 13th Street Ames, IA 50010, USA Phone: +1 515 239-6000, Fax: +1 515 239-6618 Sauer-Danfoss (Neumünster) GmbH & Co. OHG Postfach 2460, D-24531 Neumünster Krokamp 35, D-24539 Neumünster, Germany Phone: +49 4321 871-0, Fax: +49 4321 871-284 Sauer-Danfoss (Nordborg) A/S DK-6430 Nordborg, Denmark Phone: +45 7488-4444, Fax: +45 7488-4400 Sauer-Danfoss (US) Company 3500 Annapolis Lane North Minneapolis, MN 55447, USA Phone: +1 763 509-2084, Fax: +1 763 559-0108 www.sauer-danfoss.com