Rexroth VM310 0608750109-102 Industrial Power Supply | Indramat

Rexroth VM310 0608750109-102: Industrial Power Data Link for Indramat Drive Systems

The Bosch Rexroth VM310 0608750109-102 is a precision-engineered power supply module designed for the Indramat series of industrial drive and control systems. In modern smart factory environments, stable and reliable power delivery is the foundation of every data link — from field-level sensors and actuators through to PLC controllers, remote I/O nodes, HMI panels, SCADA platforms, and enterprise MES systems. The VM310 0608750109-102 fulfills this role by providing conditioned, regulated DC bus power to Rexroth Indramat servo drive systems, ensuring that every downstream device in the automation chain receives clean, uninterrupted energy to sustain real-time communication and control.

In a typical Indramat-based drive topology, the VM310 sits at the heart of the power section, feeding regulated voltage to servo amplifier modules such as the Rexroth DKC series digital AC servo controllers and HDS series AC servo drives. These drives in turn receive motion commands via SERCOS III or PROFIBUS-DP fieldbus protocols from a higher-level Rexroth IndraMotion MLC or IndraLogic L40 PLC controller. The VM310’s stable DC bus output is what allows these drives to execute high-speed, high-precision positioning tasks without voltage sag or transient interference — conditions that would otherwise corrupt fieldbus telegrams and trigger fault states across the network.

Compatibility & Integration Notes

Connected Automation Data Flow

Understanding the VM310 0608750109-102 requires viewing it within the full automation data flow of a smart factory. At the field level, Rexroth IndraDyn servo motors and MSK series synchronous motors generate encoder feedback signals that travel back through the drive bus to the servo amplifier. The VM310 power supply module ensures that the DC bus voltage feeding these amplifiers remains within specification, preventing under-voltage trips that would halt the entire motion sequence and break the real-time SERCOS III communication cycle.

Moving up the network hierarchy, the servo drives connect via PROFIBUS-DP to a Siemens S7-300 or Rexroth IndraMotion MLC L65 PLC, which aggregates axis position data and forwards it to a Wonderware InTouch or Siemens WinCC SCADA/HMI system for operator visualization. Remote I/O modules — such as the Rexroth Inline I/O system — collect digital and analog signals from proximity sensors, pressure transducers, and temperature probes on the production line, feeding this data into the same PROFIBUS network. An edge gateway running OPC-UA then bridges the OT network to the IT layer, enabling cloud-based analytics and remote diagnostics without exposing the fieldbus to external traffic.

The VM310’s role in this chain is foundational: without stable power delivery, the servo drives cannot maintain their SERCOS III synchronization window (typically 1–4 ms cycle time), and the entire motion coordination sequence collapses. By maintaining a clean DC bus, the VM310 0608750109-102 protects the integrity of every data packet flowing through the drive network — from encoder feedback pulses to PROFIBUS-DP parameter read/write telegrams.

Solving Data Isolation in Industrial Sites

One of the most persistent challenges in legacy industrial installations is data isolation — the condition where field devices, drive systems, and supervisory platforms operate on incompatible protocols or physically separate network segments, making it impossible to achieve plant-wide visibility. The Rexroth Indramat ecosystem, anchored by power supply modules like the VM310 0608750109-102, addresses this challenge through a layered architecture that supports multiple communication standards simultaneously.

When a facility operates a mix of older Indramat TDM/KDS analog servo drives alongside newer Rexroth IndraDrive Cs digital drives, the VM310 power supply module can serve both generations from a common DC bus, eliminating the need for separate power infrastructure. This unified power architecture simplifies the integration of protocol converters and PROFIBUS-to-EtherNet/IP gateways that bridge legacy fieldbus segments to modern Ethernet-based control networks.

For remote monitoring and diagnostics, the IndraMotion MLC controller connected downstream of the VM310 supports OPC-UA server functionality, allowing SCADA systems to poll real-time drive status, fault codes, and energy consumption data without requiring physical access to the control cabinet. This capability is critical for multi-site manufacturers who need to monitor production lines across geographically distributed facilities from a central operations center. The VM310’s reliable power delivery ensures that these remote diagnostic sessions are never interrupted by bus voltage fluctuations — a common failure mode in aging power supply infrastructure.

System expansion is equally straightforward: additional drive modules can be added to the Indramat DC bus rail powered by the VM310, and the PROFIBUS-DP network can be extended with repeaters or segmented with DP/DP couplers to accommodate new production cells without redesigning the existing network topology. This scalability makes the VM310 0608750109-102 a long-term investment for facilities planning phased automation upgrades.

Industrial Connectivity FAQ

Q1: What communication protocols are supported by drive systems powered by the Rexroth VM310 0608750109-102?
The VM310 itself is a DC bus power supply module and does not process fieldbus data directly. However, the Indramat and IndraDrive servo amplifiers it powers support SERCOS III, PROFIBUS-DP, CANopen, and EtherNet/IP depending on the specific drive variant and communication option card installed. This makes the VM310-powered drive system compatible with a wide range of PLC and SCADA platforms.

Q2: How does the VM310 contribute to network stability and reduced communication latency?
By delivering a stable, regulated DC bus voltage, the VM310 eliminates power-related drive faults that would force the SERCOS III or PROFIBUS-DP master to execute fault recovery routines — a process that can add 50–500 ms of unplanned latency to the control cycle. Stable power is therefore a direct contributor to deterministic, low-latency fieldbus communication.

Q3: Can the VM310 0608750109-102 be integrated into an existing SCADA or HMI monitoring system?
Yes. While the VM310 does not have a direct network interface, the drive modules it powers expose diagnostic data — including DC bus voltage levels, load current, and fault status — via their fieldbus interfaces. This data can be read by a PROFIBUS-DP or SERCOS III master PLC and forwarded to any SCADA or HMI platform, including Siemens WinCC, Wonderware, or iFIX, for real-time monitoring and alarm management.

Q4: What warranty and pre-shipment testing does the VM310 0608750109-102 come with?
Every VM310 0608750109-102 unit supplied by ZYPLC undergoes pre-shipment functional testing to verify DC bus output voltage, current capacity, and protection circuit operation. All units are covered by a warranty terms confirmed during quotation from the date of shipment. Global delivery is available via DHL and FedEx with full tracking. For volume orders or urgent requirements, contact our team directly for lead time confirmation.