Retrofit

Retrofit & Replacement

Objectives and potential benefits of retrofit, refit and replacement solutions using HCS amplifier boards for existing machinery and equipment.

Retrofit/Refit/Replacement Demand

Objectives and Potential Benefits

  • Extension of the operational service life of existing machinery and equipment
  • Potential increase in production capacity through targeted modernization measures
  • Support for maintaining or improving product quality
  • Opportunity to enhance system availability and operational efficiency
  • Replacement of assemblies and components for which original spare parts are no longer available or only available to a limited extent
  • Improved long-term serviceability through the use of modern and readily available components
  • Modernization of control, drive and automation technology
  • Potential reduction in investment costs compared to complete system replacement
  • Reduced downtime and implementation effort through selective modernization measures
  • Retention of proven machine concepts while integrating modern technologies

Retrofit/Refit/Replacement

OOur amplifier boards are suitable for a wide range of retrofit, modernization and replacement applications in existing machinery and equipment. In particular, when original assemblies are difficult to obtain, subject to long delivery times or associated with high procurement costs, our products may offer an economically attractive alternative.

Thanks to short delivery times and a broad range of applications, we are often able to support customers even when replacement solutions are required at short notice. The suitability of a specific product for a particular application should always be evaluated on a case-by-case basis.

Our products are designed for universal use and feature a consistent operating and parameterization concept across different product families. This can simplify commissioning, maintenance and service activities while supporting a standardized approach throughout the machine or system.

Examples for Replacement Applications:

  • DAC-4(A) boards as replacement solutions for proportional amplifiers of the VG40, VR300, VRD340, VRD350 and VRD355 series manufactured by Hydraulik-Ring and Parker.
    In many applications, a largely direct replacement may be possible due to pin and functional compatibility. The suitability for a specific application and any required modifications should always be evaluated on a case-by-case basis. This can facilitate the modernization of existing machinery and equipment with minimal integration effort.
  • DAC-4(A) boards as replacement solutions for amplifier electronics from various manufacturers, including Bosch Rexroth, Atos and Wandfluh.
    In many cases, only minor wiring modifications are required. This is particularly relevant when upgrading existing systems from analogue to modern digital technology.
  • DAC-42(A)-x-XXLT and DMA-22(A) for specific applications in certain milking robot systems manufactured by DeLaval.
  • DAC-4(A) and DMA-22(A) are generally suitable for applications where analogue amplifier electronics for proportional valves are currently in use. Upgrading to modern digital technology enables features such as bus interfaces as well as advanced parameterization and diagnostic capabilities. This can simplify commissioning, maintenance and troubleshooting while improving system transparency.

Trademark Notice

trademarks, product names and company names are the property of their respective owners. Unless expressly stated otherwise, no commercial relationship, partnership, authorization or endorsement by the respective manufacturers is implied.

In any case - we will be pleased togive you advice and support in this context, too !

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Important information

Transition from DMA-22 to DMA-22(A)

The previous DMA-22 series has been completely succeeded by the DMA-22(A) generation and is no longer available. With PROFINET, EtherNet/IP and CANopen the changeover is straightforward: the GSDML and EDS files are unchanged, and nothing needs to be altered on the PLC.

The changeover only requires attention with PROFIBUS. For equipment already in service we supply replacements there in a fully compatible configuration: they retain the previous device identification and continue to use the existing GSD file. Neither the PLC hardware configuration nor the PLC software needs to be changed.

To make that possible we need the complete model code and the article number from the type label with every PROFIBUS replacement order. Without them the order is treated as a new installation – and compatibility with an existing PLC configuration cannot be ensured without corresponding modifications.

What this means for your PLC →
Replacement types

Direct replacement for Hydraulik-Ring and Parker amplifier cards

The VG 40, VR 300 and VRD series proportional amplifiers are no longer available. These HCS cards take their place.

Legacy type Manufacturer HCS replacement Please note
VG 40 Hydraulik-Ring / Parker DAC-44(A) Pin and connection compatible. Parameters need to be adjusted.
VR 300 Hydraulik-Ring / Parker DAC-44(A) Pin and connection compatible. Parameters need to be adjusted.
VRD 340 Hydraulik-Ring / Parker DAC-44(A) Pin and connection compatible. Parameters need to be adjusted.
VRD 350 Hydraulik-Ring / Parker DAC-44(A) Pin and connection compatible. Parameters need to be adjusted.
VRD 355 Hydraulik-Ring / Parker DAC-42(A) Pin and connection compatible. Parameters need to be adjusted.

These type designations are often written without a space: VG40, VR300, VRD340, VRD350 and VRD355. All HCS cards are parameterised with the free HCSTool software. Suitability must be verified for each individual application – talk to us, we will support you with the selection and commissioning.

Hydraulik-Ring and Parker are trademarks of their respective owners. They are named solely to describe replaceability; no commercial relationship exists.

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