ELAU DRIVE PS-5 Replacement for PacDrive Series

Product Overview

ELAU DRIVE PS-5 Replacement for PacDrive Series: Smooth Transition, Zero Compromise

When your legacy PacDrive control system depends on the ELAU DRIVE PS-5 power supply module and the original unit reaches end-of-life or fails in the field, every hour of unplanned downtime translates directly into production loss. The DRIVE PS-5 is the dedicated DC bus power supply at the heart of the PacDrive motion control architecture, responsible for delivering stable, conditioned power to the servo amplifier rack and all connected axis modules. Our verified-stock DRIVE PS-5 units are sourced, inspected, and dispatched from Xiamen to support your retrofit, emergency replacement, or planned upgrade with the shortest possible lead time.

The PacDrive platform was engineered by ELAU and later integrated into the Schneider Electric automation portfolio. Its modular rack-based architecture means that replacing the DRIVE PS-5 does not require redesigning the entire control cabinet. The module slots directly into the existing PacDrive rack, retains the original 24 VDC auxiliary supply wiring, and interfaces with the DC bus distribution rail without modification to adjacent servo amplifier modules such as the DRIVE MC-4 or DRIVE MC-6 axis controllers already installed in the same rack. This physical and electrical compatibility is the primary reason engineers specify a like-for-like DRIVE PS-5 replacement rather than attempting a full platform migration during an unplanned outage.

From a communications and programming perspective, the DRIVE PS-5 operates transparently within the PacDrive IEC 61131-3 environment managed by the MC-4 or MC-6 controller. No firmware changes, no re-parameterization of the SERCOS ring, and no modifications to the PacDrive Designer project file are required when swapping a failed power supply for a verified replacement unit. The SERCOS fiber-optic ring connecting the controller to each axis module remains intact, and the system resumes normal operation after a standard power-cycle initialization sequence. This is a critical advantage over cross-platform migrations, which would require re-engineering the motion program, re-mapping I/O, and re-commissioning every servo axis on the machine.

Control cabinet space is another factor that makes the DRIVE PS-5 the preferred replacement choice. The module occupies a fixed slot width in the PacDrive rack, and its mounting footprint, connector positions, and cooling airflow requirements are identical to the original specification. There is no need to modify DIN rail layouts, relocate terminal blocks, or re-route cable harnesses. Engineers working on packaging machinery, printing lines, and converting equipment — the primary application domains for PacDrive — consistently report that a verified DRIVE PS-5 swap can be completed within a single maintenance window, often in under two hours, compared to multi-day re-engineering efforts associated with platform changes.

For facilities managing a broader PacDrive installation, the DRIVE PS-5 replacement is frequently ordered alongside complementary components to complete a rack refresh or preventive maintenance cycle. The ELAU DRIVE MC-4 and DRIVE MC-6 servo amplifier modules share the same rack and DC bus, and aging units in these positions are often identified during the same inspection that flags the power supply. Similarly, the PacDrive IPC C400 or IPC C600 industrial PC controller, which hosts the motion application and communicates with the rack via SERCOS, may be evaluated for firmware updates or hardware refresh at the same time. Encoder feedback cables connecting servo motors to the DRIVE MC axis modules, the 24 VDC system power supply feeding the controller and I/O backplane, and the SERCOS fiber patch cables linking rack positions are all consumable items that experienced maintenance teams inspect and replace proactively during a power supply swap.

For machines that have been in service for more than a decade, the replacement of the DRIVE PS-5 is sometimes the trigger for a broader assessment of the PacDrive I/O infrastructure. The PacDrive system supports distributed I/O via CANopen or SERCOS, and terminal modules, digital I/O expansion cards, and analog signal conditioning modules connected to the same backplane should be verified for firmware compatibility with the replacement power supply. In cases where the original ELAU firmware version is no longer supported, our technical team can advise on compatible firmware revisions available for the DRIVE PS-5 to ensure interoperability with the existing controller and axis module firmware stack.

Procurement teams responsible for spare parts inventory will find that stocking a verified DRIVE PS-5 unit significantly reduces mean time to repair for PacDrive-equipped production lines. The module is compact, does not require special storage conditions beyond standard ESD precautions, and has a long shelf life when stored correctly. Our 12-month warranty covers the replacement unit from the date of shipment, providing assurance for both emergency purchases and planned inventory builds. Each unit undergoes functional verification prior to dispatch, including DC bus output voltage checks, auxiliary supply regulation tests, and visual inspection of connectors and PCB assemblies.

Compatibility Comparison Table

Seamless Upgrade Solutions

A DRIVE PS-5 replacement is most effective when the surrounding rack components are also verified. In a typical PacDrive rack refresh, engineers simultaneously inspect and, where necessary, replace the DRIVE MC-4 single-axis servo amplifier modules and DRIVE MC-6 dual-axis modules that share the DC bus supplied by the power supply. These axis modules are the direct load on the DRIVE PS-5 output, and a failed or degraded axis module can cause recurring power supply faults if not addressed at the same time.

The PacDrive IPC C400 industrial PC controller, which runs the PacDrive Designer motion application and manages the SERCOS ring, should be checked for firmware version compatibility with the replacement power supply. In installations where the IPC C400 has been in service for more than eight years, a parallel evaluation of the IPC C600 — the higher-performance controller variant — is often initiated as part of the same modernization project. The SERCOS fiber-optic patch cables connecting the controller to each rack slot are a low-cost consumable that is frequently replaced during a power supply swap to eliminate latent fiber degradation as a source of future communication faults.

On the I/O side, PacDrive systems often incorporate CANopen-based distributed I/O modules for digital and analog signal acquisition. Terminal modules and digital I/O expansion cards connected to the CANopen network should be verified for node address conflicts and firmware compatibility after a rack power cycle. Analog signal conditioning modules used for pressure, temperature, or position feedback in the machine process should also be checked for calibration drift, as extended power interruptions can affect zero-point references in some sensor types.

For machines where the control cabinet also houses a third-party HMI panel communicating with the PacDrive controller via Ethernet or serial link, the HMI communication parameters — IP address, baud rate, and protocol settings — should be documented before the power supply replacement and verified after restart. Encoder feedback cables running from servo motors back to the DRIVE MC axis modules are another item that experienced retrofit teams inspect during the same maintenance window, as connector wear and cable shielding degradation are common in high-cycle packaging and printing applications.

Retrofit Guidance FAQ

Q: Do I need to rewire the cabinet when replacing the DRIVE PS-5?
A: No. The DRIVE PS-5 replacement unit uses the same rack slot connector and 24 VDC auxiliary supply wiring as the original. The DC bus connections to adjacent DRIVE MC axis modules are made through the internal rack bus, requiring no external rewiring.

Q: Will my existing PacDrive Designer program run without modification?
A: Yes. The power supply module is transparent to the IEC 61131-3 application running on the PacDrive IPC controller. No program changes, variable remapping, or axis re-parameterization are required.

Q: Is the SERCOS fiber-optic ring affected by the power supply replacement?
A: The SERCOS ring topology is not changed by replacing the DRIVE PS-5. After installation, a standard power-cycle initialization will re-establish the SERCOS ring and all axis modules will be recognized automatically by the controller.

Q: What if my PacDrive rack has a mix of DRIVE MC-4 and DRIVE MC-6 modules?
A: The DRIVE PS-5 supplies the shared DC bus for all module types in the rack. A mixed MC-4 and MC-6 configuration is fully supported and does not affect the replacement procedure.

Q: How much physical space does the replacement unit require?
A: The replacement DRIVE PS-5 has the same physical dimensions and slot width as the original. No cabinet modifications, DIN rail changes, or cable re-routing are required.

Q: What communications protocols are supported?
A: The PacDrive system uses SERCOS (fiber-optic) for motion control communication and CANopen for distributed I/O. The replacement DRIVE PS-5 is fully compatible with both protocols as implemented in the original system architecture.

Q: Can I use this unit as a long-term spare?
A: Yes. The unit can be stored under standard ESD-safe conditions and used as a cold spare. The 12-month warranty applies from the date of shipment, not from the date of installation.

Warranty Assurance

Every ELAU DRIVE PS-5 unit shipped by TOPNLMS is covered by a 12-month warranty from the date of shipment. Prior to dispatch, each unit undergoes a structured pre-shipment verification process that includes DC bus output voltage measurement, auxiliary 24 VDC supply regulation check, visual inspection of all PCB assemblies and connectors, and functional power-on test. Units that do not pass all verification steps are quarantined and not offered for sale.

In the event of a warranty claim, TOPNLMS provides a replacement unit or full refund based on the customer’s preference and the nature of the fault. Our after-sales response target is 24 hours for initial fault assessment and 72 hours for replacement dispatch. Customers are not required to return the failed unit before a replacement is dispatched for verified warranty claims, minimizing additional downtime during the claims process.

For procurement teams building approved vendor lists or qualifying suppliers for critical spare parts, TOPNLMS can provide shipment documentation, test records, and certificate of conformance on request. We ship from Xiamen via DHL Express, FedEx International Priority, and UPS Worldwide Expedited, with typical transit times of 3–7 business days to most industrial regions globally. Customs documentation, including commercial invoice and packing list with HS code declaration, is prepared for every international shipment.

Our technical support team is available to assist with installation questions, firmware compatibility queries, and system commissioning guidance before and after delivery. Contact us at [email protected] or +86 18359293191 for pre-purchase technical consultation or post-delivery support.