FAGOR PMC-3000 Modules | 8070-OL-ICU-RS CN70-10U-OL-B4S1-RS-4

Technical Dossier

Product Details And Specifications

FAGOR PMC-3000 Series: Comprehensive Module Range and Technical Overview

The FAGOR PMC-3000 and its associated 8070 CNC platform represent one of the most widely deployed motion control architectures in European and Asian heavy industry. Installed across chemical processing plants, nuclear facility auxiliary systems, petroleum refinery automation lines, and precision metal-cutting operations, the PMC-3000 family established FAGOR Automation's position as a Tier-1 CNC supplier from the early 2000s through the mid-2010s. The 8070 open-architecture CNC system — of which the PMC-3000 is a core motion controller module — supports up to 4 interpolated axes, multiple spindle channels, and real-time Ethernet fieldbus communication. Its modular backplane design allows mixed I/O configurations, making it a standard reference in multi-axis machining centers, grinding machines, and transfer lines across the EU, China, and Southeast Asia.

Following FAGOR Automation's insolvency proceedings in 2013 and subsequent asset restructuring, the PMC-3000 and 8070 series entered a sustained maintenance phase. OEM production of new units ceased, but the installed base remains extensive. DriveKNMS maintains a dedicated inventory and repair pipeline for this series to support long-term operational continuity.

The Evolution of PMC-3000 / 8070 Architecture

The FAGOR 8070 CNC platform was introduced circa 2003 as a successor to the 8055 and 8065 series, adopting a PC-based open architecture running on a real-time OS kernel. The PMC-3000 motion controller module is the axis interpolation and servo drive interface card within the 8070 rack system. Early revisions (circa 2003–2007) used proprietary SERCOS I fiber-optic servo communication. Mid-cycle revisions (2008–2012) introduced Ethernet-based SERCOS III and expanded the axis count from 2 to 4 per module. The CN70 sub-series (e.g., CN70-10U) represents the compact panel-mount variant of the 8070 platform, integrating the HMI, CPU, and I/O into a single enclosure for space-constrained installations.

Compatibility note: PMC-3000 modules are not backward-compatible with the 8055 backplane. The 8070 rack uses a dedicated high-speed bus; mixing 8055 and 8070 I/O modules on the same rack is not supported. Firmware versions must be matched to the CNC kernel release; mismatched firmware causes axis initialization faults (Error 1001/1002 class).

FAGOR PMC-3000 / 8070 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified models within the FAGOR PMC-3000 and 8070 CNC platform. Classified by functional category:

Motion Controllers & CPU Modules

• PMC-3000: Core motion controller; 4-axis interpolation, SERCOS III interface, real-time servo loop.
• 8070-OL-ICU-RS: Integrated CNC unit with operator panel interface, RS-232/RS-422 serial comms, open-loop spindle support.
• CN70-10U-OL-B4S1-RS-4: Compact 8070 panel unit; 4-axis, 1 spindle, open-loop, RS serial, integrated display.
• 8070-M-ICU: Milling-optimized CNC unit; multi-channel, Ethernet SERCOS III, tool management.
• 8070-T-ICU: Turning-optimized CNC unit; C-axis support, live tooling, thread cutting cycles.
• 8070-G-ICU: Grinding machine variant; dress cycle management, gap elimination, wheel wear compensation.

Digital I/O Modules

• RIO-DI16: Remote I/O module; 16-channel 24VDC digital input, DIN rail mount, CANopen interface.
• RIO-DO16: Remote I/O module; 16-channel 24VDC digital output, 0.5A per channel, CANopen interface.
• RIO-DIO3216: Combined 32 DI / 16 DO remote I/O; high-density rack I/O expansion for large PLC programs.
• RIO-AI8: 8-channel analog input module; ±10V / 4–20mA selectable, 12-bit resolution.
• RIO-AO4: 4-channel analog output module; ±10V, 12-bit, for spindle speed reference or process control.

Communication & Fieldbus Adapters

• 8070-PROFIBUS-M: PROFIBUS-DP master adapter for 8070 CNC; integrates PLC I/O nodes on DP network.
• 8070-CANopen-M: CANopen master module; supports RIO remote I/O nodes and third-party CANopen devices.
• 8070-ETH: Ethernet communication card; DNC file transfer, remote diagnostics, PC-DNC protocol.

Power Supply Modules

• PSU-8070-24V: 24VDC rack power supply for 8070 backplane; 10A continuous, over-voltage and short-circuit protected.
• PSU-8070-5V: 5VDC logic power supply; internal bus power for CPU and communication modules.

Sourcing Hard-to-Find & Obsolete PMC-3000 Parts

Following the cessation of FAGOR Automation's manufacturing operations, the PMC-3000 and 8070 series are classified as end-of-life (EOL) by the original equipment manufacturer. No new production units are available through standard distribution channels. DriveKNMS operates a dedicated EOL parts program for this series, encompassing three supply streams:

• New-old-stock (NOS): Sealed, original-packaging units sourced from decommissioned machine tool OEM inventories and authorized distributor closeouts.
• Refurbished exchange: Fully tested and reconditioned units with 12-month functional warranty, covering PMC-3000 motion controllers, 8070-OL-ICU-RS integrated units, and CN70 panel computers.
• Board-level repair: Component-level repair service for failed PMC-3000 PCBs, including FPGA re-programming, SERCOS transceiver replacement, and backplane connector re-pinning.

Customers operating FAGOR 8070-based machining centers are advised to maintain a minimum buffer stock of one PMC-3000 motion controller and one PSU-8070-24V per production line, given lead times of 8–16 weeks for refurbished units.

Quality Control for the PMC-3000 / 8070 Range

The PMC-3000 and 8070 modules present specific test challenges due to their integrated SERCOS III fiber-optic bus, real-time OS dependency, and multi-axis servo loop architecture. DriveKNMS applies the following test protocol to all units prior to shipment:

• Backplane bus integrity test: Each module is seated in a reference 8070 rack and subjected to a 72-hour continuous bus communication stress test, verifying zero CRC errors on the internal high-speed bus.
• SERCOS III link validation: Fiber-optic transceivers are tested at rated baud rate (100 Mbit/s) with a loopback fixture; optical power margin is measured and logged.
• Axis interpolation functional test: PMC-3000 motion controllers are connected to a servo drive simulator; all 4 axes are commanded through full-range position, velocity, and torque profiles.
• Firmware version verification: CNC kernel and PMC firmware versions are read and documented; units are supplied with version certificates to ensure compatibility with the customer's existing system.
• Environmental burn-in: All refurbished units undergo 48-hour thermal cycling (0°C to 55°C) to screen latent component failures before shipment.