Description
Product Introduction & Engineering Value
Having spent decades keeping legacy Indramat racks alive on automotive lines, I consider the Rexroth CLC-V02.3C-FW motion controller a true workhorse of coordinated multi-axis automation. When older machine control nodes throw parity errors or lose their configuration memory, swapping in a verified controller gets spindles turning again without expensive PLC conversions.
This VME-bus card handles deterministic motion loops locally using an onboard 68020 processor and dedicated SERCOS interfaces. Maintenance teams rely on its stable architecture to maintain tight synchronization across complex mechanical transfer presses and high-speed indexing tables.
Technical Specifications
| Parameter | Specification |
| CPU Architecture | Motorola 68020 running at 25.0 MHz |
| Math Coprocessor | Motorola 68882 floating-point unit |
| Flash EPROM | 1 Mbyte |
| Battery-Backed SRAM | 32 Kbytes |
| Shared SRAM | 2 Mbytes |
| Digital Inputs | 12 channels |
| Digital Outputs | 4 channels (300 mA max output current each) |
| Serial Interfaces | 2 RS-232C communication ports |
| Motion Interfaces | Dedicated SERCOS fiber-optic input and output ports |
| VME Bus Addressing | A32, A24, and A16 address modes; D8, D16, and D32 data widths |
Field Application & The “Trench” Experience
A high-speed metal stamping plant in Michigan suffered an unexpected line shutdown when the motion controller on a multi-axis transfer press locked up with a fatal bus error code. With thousands of dollars in parts idling per hour, waiting for a custom factory rebuild was out of the question. Plant technicians pulled a pre-tested surplus Rexroth CLC-V02.3C-FW from their emergency shelf, slotted it into the Z9 VME rack, reloaded the parameter memory via the RS-232 port, and resumed full production before the morning shift ended.
Specific Niche Application Scenarios:
- Automotive Body Transfer Presses: Synchronizing multiple electronic line-shaft axes for exact part transfer timing.
- Complex Rotary Die Cutters: Managing high-speed angular position loops for continuous web converting machinery.
- Multi-Axis Robotic Pick-and-Place Cells: Coordinating deterministic trajectory updates across high-load servo drives.
CLC-V02.3C-FW
CLC-V02.3C-FW
Transparency SOP: QA & Testing
- VME Edge Connector Inspection: Examine gold finger contacts and bus pins under optical magnification for wear, oxidation, or bending.
- Battery Voltage Verification: Test the onboard backup battery voltage level under load to guarantee proper retention of stored SRAM parameters.
- Static Resistance Check: Measure baseline impedance across local power rails to confirm absence of short circuits on internal DC buses.
- SERCOS Fiber Loop Test: Mount the card onto a specialized test rack and verify optical signal transmission and loop integrity across dedicated fiber ports.
- Thermal Chamber Stress Run: Subject the module to 24 hours of continuous operation inside a 45°C thermal enclosure to weed out marginal silicon components.
The Veteran’s Tech Trap Guide
⚠️ PRO TIP: Always check the lithium backup battery status and transfer your active machine parameters before pulling a failing card. If the battery is dead and memory has bled out, a bare replacement card will boot up unconfigured and throw parameter mismatch faults.
Warning: Never insert or remove VME rack cards while the system rack power supply is energized. Backplane arcing can instantly destroy the board’s shared SRAM and fry sensitive bus interface chips. Always rack out and lock out main cabinet power first.
Dynamic FAQ
- Is this Rexroth CLC-V02.3C-FW card brand new or surplus?
We supply verified New Surplus and fully bench-tested refurbished units, backed by complete historical traceability.
- What warranty is provided with this motion controller?
Every unit includes a comprehensive 12-month replacement warranty covering mechanical and electrical functionality.
- Does this module require external firmware loading?
The firmware is integrated into the card architecture, but machine-specific parameters and application logic must be loaded via the RS-232 port during commissioning.
- Can I use this card to replace older CLC-V01 variants directly?
Compatibility depends on your specific firmware revision and rack backplane wiring. Contact our technical desk with your complete part number suffix for verification.
- How is the internal user memory protected against data loss?
User parameters and logic files are retained via an onboard battery-backed SRAM architecture.
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