Molex APP-ETH-PCU-C PCU2000ETH Applicom PCI Ethernet Interface Card

Molex APP-ETH-PCU-C (PCU2000ETH) is an Applicom PCI universal industrial Ethernet communication card, previously branded Woodhead Brad. It adopts AMD SC520 embedded processor, integrates 16MB SDRAM and 4MB Flash, serving as a dedicated protocol gateway between industrial PC and field automation devices.

This PCI card supports 10/100Mbps Fast Ethernet, compatible with multiple industrial Ethernet protocols. It is widely used for HMI, SCADA and MES systems to connect PLC, DCS and field instruments, and is a common spare part for legacy industrial PC communication retrofit and maintenance.

Data Parameters

• 1. Brand: Molex (Woodhead / Applicom)

• 2. Model: APP-ETH-PCU-C, PCU2000ETH

• 3. Product Type: PCI Industrial Ethernet Communication Interface Card

• 4. Application: Industrial PC, SCADA, HMI, MES fieldbus communication

• 5. Feature: PCI / PCI-X compatible, 10/100Mbps Ethernet, multi-protocol support, onboard memory

• 6. Characteristic: AMD SC520 core, 16MB SDRAM, 4MB Flash, plug-and-play

• 7. Interface: Single RJ45 Fast Ethernet port

• 8. Supported Protocols: Multiple industrial Ethernet protocols for PLC connection

• 9. Mounting: Standard PCI slot installation inside industrial PC

• 10. Operating Temperature: -20℃ ~ +70℃

Core Functions

• 1. Act as independent protocol processor to offload industrial communication tasks from host PC CPU.

• 2. Establish stable data exchange between industrial PC and various brand PLC, DCS controllers.

• 3. Support real-time data collection, tag reading/writing for SCADA and HMI software.

• 4. Provide onboard diagnostics, status indicator and communication fault alarm function.

• 5. Realize protocol conversion for different industrial automation network systems.

Application Scenarios

• 1. Power plant, oil & gas and chemical industry SCADA industrial PC workstation.

• 2. Factory HMI host connecting multi-brand PLC and field control equipment.

• 3. Old automation system upgrade and communication card spare replacement.

• 4. Production line MES data acquisition and process monitoring host.

• 5. Legacy Applicom PCI communication system maintenance and retrofit.

FAQ

• 1. Q: What is Molex APP-ETH-PCU-C PCU2000ETH?
      A: It is an Applicom PCI industrial Ethernet communication card for industrial PC to connect PLC and field devices.

• 2. Q: What is the difference between PCU2000ETH and PCIE2000ETH?
      A: PCU2000ETH is PCI bus, PCIE2000ETH is PCI Express version for newer motherboards.

• 3. Q: Can it work with all PLCs?
      A: It depends on the loaded firmware protocol; different variants support different industrial protocols.

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