KVEBA1007 Danfoss Series 90 EDC Control Module

Product Overview

The KVEBA1007 is a Danfoss Series 90 Electrical Displacement Control (EDC). Danfoss identifies the component as “EDC, 100CC, MS CON, 4-20 MA S-C”, indicating a 100cc Series 90 pump application, MS connector and 4–20 mA control interface.

The KVEB family is not a conventional hydraulic directional-valve group. It belongs to the electrohydraulic pump displacement-control system used on Danfoss Series 90 variable displacement pumps.

Danfoss technical information describes the KVEB EDC as a two-stage electrohydraulic pump stroke control that uses mechanical feedback to establish closed-loop control of the pump swashplate angle. The EDC therefore converts an electrical command into hydraulic control action while the mechanical feedback mechanism regulates the actual swashplate position.

The related components in this product group have clearly defined configurations:

• KVEBA1007: 100cc, MS connector, 4–20 mA
• KVEBB0502: 55cc, MS connector, dual coil
• KVEBB0702: 75cc, MS connector, dual coil
• KVEBB0704: 75cc, Weather-Pack connector, dual coil.

The MCV116G4201 is a related but different component. Danfoss identifies it as a Pressure Control Pilot (PCP) with MS connector and dual-coil configuration. Series 90 parts manuals list it within the pump control assembly together with the relevant EDC kit.

For aftermarket replacement, the correct engineering approach is to match the pump displacement, control code, EDC part number, PCP, connector and coil configuration. Replacement units can then be verified through 100% simulated operating-condition testing.

Technical Specifications

KVEBA1007

• Manufacturer: Danfoss Power Solutions
• Part Number: KVEBA1007
• Official description: EDC, 100CC, MS CON, 4-20 MA S-C
• Component type: Electrical Displacement Control
• System: Danfoss Series 90
• Applicable pump displacement: 100cc
• Connector: MS
• Control signal: 4–20 mA
• Function: Variable-displacement pump displacement control
• Displacement: 100cc refers to the associated Series 90 pump, not the EDC component itself
• Rated pressure: Not separately specified in the cited official EDC product entry
• Peak pressure: Not separately specified
• Rotational speed: Not applicable
• Weight: Not separately specified by Danfoss
• Published product dimensions field: approximately L15 × W21.2 × H7 cm; this should not be interpreted as the pump mounting envelope.

KVEBB0502

• Manufacturer: Danfoss Power Solutions
• Part Number: KVEBB0502
• Official description: EDC, 55CC, MS CON, D-COIL
• Component type: Electrical Displacement Control
• System: Series 90
• Applicable pump displacement: 55cc
• Connector: MS
• Coil configuration: Dual coil
• Function: Electronic pump displacement control
• Rated pressure: Not separately specified in the cited official product entry
• Peak pressure: Not separately specified
• Rotational speed: Not applicable
• Weight: Not separately specified by Danfoss.

KVEBB0702

• Manufacturer: Danfoss Power Solutions
• Part Number: KVEBB0702
• Official description: EDC, 75CC, MS CON, D-COIL
• Component type: Electrical Displacement Control
• System: Series 90
• Applicable pump displacement: 75cc
• Connector: MS
• Coil configuration: Dual coil
• Function: Electronic pump displacement control
• Service kit: Danfoss 8510115, listed as SVC KIT-EDC, S90 75CC KVEBB0702 2 COIL.
• Rated pressure: Not separately specified in the cited official product entry
• Peak pressure: Not separately specified
• Rotational speed: Not applicable
• Weight: Not separately specified.

KVEBB0704

• Manufacturer: Danfoss Power Solutions
• Part Number: KVEBB0704
• Official description: EDC, 75CC, W-PACK CON, D-COIL
• Component type: Electrical Displacement Control
• System: Series 90
• Applicable pump displacement: 75cc
• Connector: Weather-Pack
• Coil configuration: Dual coil
• Function: Electronic pump displacement control
• Service kit: Danfoss 8510116.
• Rated pressure: Not separately specified in the cited official product entry
• Peak pressure: Not separately specified
• Rotational speed: Not applicable
• Published product dimensions field: approximately L14.2 × W21.4 × H9.4 cm.

MCV116G4201 Related PCP

• Manufacturer: Danfoss
• Part Number: MCV116G4201
• Official description: PCP, IV, DUAL, MS CONN, 1.15 SF.003 NULL GAP
• Component type: Pressure Control Pilot
• Connector: MS
• Coil: Dual coil
• Function: Pressure-control pilot stage within the Series 90 pump control system
• Documented application: Series 90 100cc pump, KA control, M9 position.
• Associated EDC: EDC3 kit 8510117 for the documented 100cc KA control configuration.
• Important: MCV116G4201 is a PCP, not the EDC assembly itself.

Key Technical Advantages

1. Two-Stage Electrohydraulic Displacement Control

The KVEB EDC architecture uses a two-stage electrohydraulic pump stroke-control system. The electrical command is converted into hydraulic control action, while mechanical feedback closes the control loop around the swashplate angle.

This architecture is suitable for continuously variable displacement control rather than simple ON/OFF hydraulic switching.

2. Dedicated Series 90 Pump Matching

Danfoss product documentation directly associates the EDC variants with different Series 90 pump displacements:

• KVEBB0502 → 55cc
• KVEBB0702 → 75cc
• KVEBB0704 → 75cc
• KVEBA1007 → 100cc.

The EDC part number therefore carries functional application information and should not be treated as a generic electronic controller.

3. Defined Connector Architectures

KVEBB0702 and KVEBB0704 are both 75cc EDC configurations, but their connectors are different:

• KVEBB0702: MS connector
• KVEBB0704: Weather-Pack connector.

This distinction is critical for harness compatibility and field replacement.

4. 4–20 mA Control on KVEBA1007

KVEBA1007 explicitly incorporates a 4–20 mA control interface. This makes it suitable for industrial analog command systems where pump displacement is controlled continuously through a current signal.

5. Defined PCP–EDC Control Chain

Danfoss documentation separates the PCP and EDC functions. For example, MCV116G4201 is listed as the PCP while an EDC kit is separately identified for the same pump-control configuration.

The engineering control chain can therefore be understood as:

Electrical command → EDC → hydraulic control → PCP/servo system → swashplate → mechanical feedback

6. Strong Relevance for Legacy Series 90 Service

Danfoss continues to publish detailed Series 90 parts documentation identifying control codes, EDC components, PCPs, feedback links and associated service kits.

This provides an engineering reference for legacy pump repair and replacement rather than relying solely on external appearance.

Application Areas

Typical applications include:

• Closed-circuit mobile hydraulics
• Construction equipment
• Road-building machinery
• Material-handling equipment
• Mobile hydraulic power systems
• Danfoss Series 90 variable displacement pumps
• Hydrostatic transmissions
• Legacy Series 90 pump repair
• EDC control assembly replacement
• OEM hydraulic control systems

KVEBA1007

Primarily associated with 100cc Series 90 pump control using a 4–20 mA command interface.

KVEBB0502

Designed for 55cc Series 90 EDC applications with MS connector and dual-coil configuration.

KVEBB0702

Designed for 75cc Series 90 EDC applications with MS connector and dual-coil configuration.

KVEBB0704

Designed for 75cc Series 90 EDC applications with Weather-Pack connector and dual-coil configuration.

Expert Maintenance Tips

1. Confirm Pump Displacement First

Do not select a replacement simply from the KVEBB prefix.

First confirm the Series 90 pump displacement, then match the exact EDC part number. Danfoss explicitly distinguishes 55cc, 75cc and 100cc EDC configurations.

2. Check Connector Type Even Within the Same Pump Size

KVEBB0702 and KVEBB0704 are both 75cc EDC components, but the electrical connectors are different. Mechanical similarity does not establish electrical interchangeability.

3. Inspect the Mechanical Feedback Link

Series 90 documentation lists the feedback link together with the PCP and EDC components. Because the EDC uses mechanical feedback for swashplate control, wear, bending or incorrect installation of the feedback mechanism can cause displacement-control errors even when the EDC itself is functional.

4. Preserve the Original Orifices

Danfoss Series 90 parts documentation explicitly instructs technicians to transfer all orifices present in the original control to the replacement control where applicable.

This should be treated as a critical replacement procedure, not an optional detail.

5. Match PCP and EDC as a Control Set

For systems using MCV116G4201, confirm the corresponding EDC configuration and pump control code. The PCP and EDC perform different functions and should not be combined solely because both carry an MCV/KVE-related part number.

6. Verify the 4–20 mA Command on KVEBA1007

For KVEBA1007, troubleshoot:

• Actual 4–20 mA command
• Electrical supply
• Zero and full-scale signal
• MS connector
• Wiring integrity
• EDC response to command changes

A signal-interface mismatch can produce an apparent hydraulic-control fault even when the mechanical assembly is functioning correctly.

7. Perform Dynamic Testing After Replacement

Recommended verification includes:

• Electrical command response
• EDC actuation
• Pilot pressure
• Swashplate movement
• Neutral response
• Maximum displacement
• Directional response
• Load-transition stability

Our replacement units can be subjected to 100% simulated operating-condition testing, combining EDC control behavior with the associated PCP, feedback mechanism and representative pump operating conditions.

Engineering Replacement Assurance

For KVEBA1007, KVEBB0502, KVEBB0702, KVEBB0704 and MCV116G4201, the correct replacement strategy is based on functional compatibility, not merely dimensional similarity.

The replacement process should verify the Series 90 pump size, control code, EDC configuration, PCP, connector and coil architecture, followed by controlled testing of electrical response, hydraulic control behavior and swashplate displacement.

Our engineering objective is in-place interchangeability backed by 100% simulated operating-condition testing, providing a more reliable replacement solution for Danfoss Series 90 control systems.