Description
Molex Applicom PCU1500S7 | Profibus S7/MPI PCI Card Specs
Architect’s Product Breakdown
The Applicom PCU1500S7 functions as a dedicated network communication card within standard PCI industrial computer architectures, specifically engineered to link PC-based supervisory systems with Siemens SIMATIC S7 and Profibus-enabled field devices. Featuring an integrated 133 MHz on-board processor, this communication model handles intensive protocol stacks locally, decoupling real-time fieldbus management from the host operating system CPU. This architecture guarantees reliable deterministic data exchange for factory automation networks, SCADA packages, and human-machine interfaces without introducing polling bottlenecks.
Deploying or replacing this model in an industrial rackmount PC requires configuring driver mappings through the Applicom / Molex software suite and establishing correct node addresses on the Profibus network segment. When executing maintenance swaps or retrofits in legacy control cells, automation engineers must verify that termination resistors are active at both physical extremes of the Profibus trunk and that DB-9 pinout assignments match standard PROFIBUS DP specifications to prevent communication dropouts.
PCU1500S7
Key Technical Specifications
- Manufacturer: Molex / Woodhead / Applicom
- Product Category: Profibus / S7 Network Interface Card
- Part Number / Catalog No.: PCU1500S7 (APP-PS7-PCU / 1120110006)
- Protocol Support: Profibus DP, S7/MPI, PROFIBUS-FMS
- Network Channels: 1 isolated Profibus channel (DB-9 female connector)
- Onboard Processing: 133 MHz dedicated processor for local stack execution
- Bus Architecture: Universal PCI 3.3V / 5V interface (PCI-X compatible)
- Data Transfer Rates: Up to 12 Mbit/s auto-baud rate detection
- Software Drivers: OPC servers, DLL libraries, and DAS drivers supporting 32-bit and 64-bit Windows environments
- Operating Temperature Range: 0°C to +55°C
- Weight: Approximately 110 g (0.24 lb)
Field Engineer’s Pitfall Guide (Unique Value)
- Hot-Swapping Under Power: Never insert or remove the PCU1500S7 card while the host computer is energized. Live plugging in standard PCI slots risks shorting backplane power rails and destroying host motherboard bus controller chips.
- Incorrect Profibus Termination and Polarization: Operating a Profibus network without active termination resistors at both cable ends of this model will cause severe signal reflections, leading to frame errors and bus dropouts across node drops.
- Mismatched Baud Rate Configuration: Failing to match the Profibus network baud rate (e.g., 1.5 Mbit/s vs. 12 Mbit/s) in the configuration utility will prevent the interface card from synchronizing with Siemens S7 PLCs or remote I/O drops.
QA & Testing SOP (Transparency)
- Visual & Origin Verification: Units undergo microscopic examination to confirm clean gold-finger edge connectors, undamaged DB-9 communication ports, intact crystal oscillators, and authentic OEM labeling.
- Live Test Bench Environment: Network interface cards are seated in a dedicated industrial PCI test chassis running validated Applicom / Molex driver software and OPC diagnostic tools to evaluate bus register response.
- Profibus Loopback & Communication Diagnostics: Technicians connect the DB-9 port to an active Profibus test simulator, verifying 12 Mbit/s auto-baud detection, frame transmission/reception integrity, and local processor memory stability.
- Anti-Static Packaging: Post-testing units are sealed inside conductive ESD shielding bags and cushioned with high-density protective foam to prevent electrostatic discharge during transport.
Technical FAQ
Can I hot-swap the PCU1500S7 card while the host computer is powered on?
No. Standard PCI expansion slots do not support live hot-swapping. Always power down the host computer completely before installing or servicing this network card.
What is the primary benefit of the onboard processor on this model?
The 133 MHz on-board processor executes Profibus communication stacks locally, offloading CPU overhead from the host computer and ensuring deterministic data updates for SCADA systems.
What software drivers are required to interface this card with applications?
The card utilizes Applicom OPC servers, DLL libraries, and DAS software modules to communicate with Windows-based visualization and control programs.
What is the standard warranty status for surplus inventory units?
Verified surplus or factory-sealed communication modules typically carry a 12-month operational warranty covering material and manufacturing defects under standard operating conditions.
