The Rexroth QM-SOFT-VEO-04 is a high-performance controller card module engineered for the VEO drive series, delivering precise software-defined control logic that directly reduces unplanned downtime across motor-driven production systems. In modern industrial environments where energy costs and equipment uptime are critical KPIs, the QM-SOFT-VEO-04 provides the intelligence layer that bridges drive hardware with plant-level automation strategy. By embedding optimized control algorithms at the drive level, this module eliminates the latency and inefficiency of centralized processing, enabling faster response cycles, tighter torque regulation, and measurable reductions in idle-state power consumption.
Product Specification Table
| Parameter |
Specification / Value |
| SKU / Part Number |
QM-SOFT-VEO-04 |
| Product Series |
VEO (Variable Maintenance Planning) |
| Product Type |
Controller Card Module |
| Brand |
Bosch Rexroth |
| Origin |
Germany (DE) |
| Operating Voltage |
24 VDC (via drive backplane) |
| Power Consumption |
≤ 5 W (module-level) |
| Drive Compatibility |
Rexroth VEO Series AC Drives |
| Communication Protocol |
PROFIBUS-DP / CANopen / EtherCAT (drive-dependent) |
| Control Function |
Software-defined motor control, maintenance planning logic |
| Application Environment |
Industrial automation, conveyor systems, pump/fan control, CNC auxiliary axes |
| Energy Saving Value |
Reduces motor idle losses by up to 20% via adaptive control curves |
| Operating Temperature |
0°C to +55°C |
| Warranty |
warranty terms confirmed during quotation — tested before shipment |
System Compatibility and Application
The QM-SOFT-VEO-04 does not operate in isolation — it is designed as a functional node within a broader industrial automation system. In a typical VEO-series drive system, the QM-SOFT-VEO-04 works alongside the VEO-01 and VEO-02 base drive units, which handle the power conversion stage, while this card manages the control and optimization layer. When paired with Rexroth IndraDrive C series drives on adjacent axes, the system can synchronize energy recovery cycles, allowing regenerative braking energy from deceleration phases to be redistributed across the DC bus rather than dissipated as heat.
At the field level, Rexroth Inline I/O modules (IL series) collect real-time sensor data — including current draw, temperature, and vibration — and feed this information back through the control network. The QM-SOFT-VEO-04 processes these signals to dynamically adjust motor speed profiles, preventing over-torque conditions that waste energy and accelerate mechanical wear. Integration with Rexroth IndraControl L45 or L65 PLCs allows plant engineers to implement energy scheduling logic: for example, automatically reducing drive output during low-demand production windows or shift transitions.
For facilities running PROFINET or EtherCAT backbones, the QM-SOFT-VEO-04 communicates seamlessly with Rexroth’s communication gateway modules, enabling the drive’s energy data to be surfaced on SCADA dashboards or MES platforms. When combined with Rexroth’s power measurement modules — such as those in the Inline Power Measurement (IPM) family — engineers gain per-axis operating load visibility, making it straightforward to identify inefficient motors, oversized drives, or poorly tuned acceleration ramps. The Rexroth HMI IndraControl VCP series provides the operator interface layer, giving line supervisors real-time feedback on drive status, operating load trends, and fault history without requiring PLC programming access.
In multi-axis systems, the QM-SOFT-VEO-04 can be deployed across several VEO drive slots simultaneously, with each card independently managing its axis while sharing a common control reference from the master PLC. This distributed intelligence model reduces the processing burden on the central controller and shortens the control loop cycle time — a critical factor in high-speed packaging, textile, and material handling applications where production rhythm directly impacts throughput and energy efficiency per unit produced.
Maintenance and Replacement Notes
Consider a bottling plant running 12 conveyor axes, each driven by a VEO-series drive. Without intelligent control cards, each drive operates on fixed speed profiles, consuming full rated power regardless of actual load demand. With the QM-SOFT-VEO-04 installed, each axis continuously evaluates load torque and adjusts its output accordingly. During low-load segments — such as empty conveyor sections between product batches — the module automatically reduces motor flux, cutting operating load by 15–25% on those axes without any operator intervention.
In pump and fan applications, the QM-SOFT-VEO-04’s adaptive control logic eliminates the energy penalty of fixed-speed operation. Rather than running a pump at 100% speed and throttling flow with a mechanical valve, the card enables true variable-speed control matched to process demand. This single change typically reduces pump operating load by 30–50% in variable-flow systems, with payback periods measured in months rather than years.
Predictive maintenance is another area where the QM-SOFT-VEO-04 delivers measurable value. By continuously monitoring motor current signatures and comparing them against baseline profiles stored in the drive’s memory, the card can detect early signs of bearing wear, winding degradation, or coupling misalignment — conditions that, if left unaddressed, lead to unplanned downtime and emergency replacement costs. Maintenance teams receive early warnings through the PLC or HMI, allowing scheduled interventions during planned maintenance windows rather than reactive repairs during production hours.
All units supplied by ZYPLC are sourced from verified supply channels, undergo functional testing prior to shipment, and are covered by a warranty terms confirmed during quotation. Stock availability is maintained to support urgent replacement requirements, with fast dispatch to minimize production downtime.
Product Sourcing FAQ
Q1: How much energy can the QM-SOFT-VEO-04 save in a typical motor control application?
In variable-load applications such as conveyors, pumps, and fans, the QM-SOFT-VEO-04’s adaptive control algorithms typically reduce motor load by Actual operating results depend on the installed system, load profile, and commissioning parameters. Actual savings depend on load profile, duty cycle, and system configuration.
Q2: Is the QM-SOFT-VEO-04 compatible with existing Rexroth VEO drive installations?
Yes. The QM-SOFT-VEO-04 is designed as a plug-in controller card for the Rexroth VEO series drive platform. It is compatible with VEO-01, VEO-02, and VEO-03 base units. For installations using IndraDrive or older Diax series drives, please consult the compatibility matrix or contact our technical team before ordering.
Q3: What is the recommended replacement procedure when swapping a faulty QM-SOFT-VEO-04?
The card can be replaced without removing the drive from the panel. Power down the drive, discharge the DC bus, remove the existing card from its slot, insert the replacement QM-SOFT-VEO-04, and restore power. Parameter sets stored in the drive’s non-volatile memory are retained during card replacement. Re-commissioning typically takes less than 30 minutes with standard Rexroth IndraWorks engineering software.
Q4: What does the warranty terms confirmed during quotation cover, and how is the testing process conducted?
Every QM-SOFT-VEO-04 supplied by ZYPLC is functionally tested prior to dispatch, verifying communication interface integrity, control output response, and power supply rail stability. The warranty terms confirmed during quotation covers manufacturing defects and functional failures under normal operating conditions. Warranty claims are processed with fast turnaround to minimize impact on production schedules.
