Description
Product Introduction
The Pro-Face PS3651A-T42 is a 12.1-inch industrial panel computer engineered by Digital Electronics Corporation (Pro-Face). As part of the popular PS3000 series platform, this unit integrates an x86 industrial motherboard, a high-contrast SVGA TFT display, and an analog resistive touch screen overlay into an IP65/NEMA 4X rated front-bezel enclosure.
Designed to operate reliably under severe plant conditions, the PS3651A-T42 features 24V DC power input, robust noise suppression, and flexible expansion options (including CompactFlash card slots and dual LAN ports). It serves as a primary operator station for SCADA visualization, batch tracking, and direct PLC diagnostic execution across automated production lines.
Key Technical Specifications
| Parameter | Specification |
| Model Code | PS3651A-T42 |
| Display Panel | 12.1-inch TFT Color LCD (SVGA 800 × 600 pixels) |
| Touch Screen Technology | High-Precision Analog Resistive Film Overlay |
| Input Power | 24V DC (19.2V DC to 28.8V DC operating range) |
| Expansion Storage | CompactFlash (CF) Card Slot (Type II), SATA/IDE HDD option |
| Serial Communications | COM1 (RS-232C), COM2 (RS-232C / RS-422 / RS-485 configurable) |
| Network & USB | 2× 10/100/1000M Ethernet (RJ-45), USB 2.0 Host Ports |
| Front Bezel Rating | IP65f / NEMA Type 4X / 12 equivalent (when panel mounted) |
| Operating Temperature | 0°C to +50°C (32°F to 122°F) |
Application Scenarios & The “Trench” Experience
The “Trench” Reality
When a 12.1-inch PS3651A-T42 unit suffers a mainboard fault or display failure on a packaging line, replacing it with a modern IPC causes major headaches: modern PCs lack legacy 24V DC terminal blocks, original OS display drivers, and matching 12.1-inch cutout dimensions. Sourcing an exact PS3651A-T42 replacement allows maintenance personnel to swap the existing CompactFlash drive or hard disk straight into the new chassis, connect the 24V DC power leads, and resume production immediately without software re-compilation.
Target Applications
- Food & Beverage Packaging – Managing washdown-ready operator controls for cappers, fillers, and case packers.
- Automotive Stamping & Weld Cells – Displaying real-time weld parameters, part counts, and safety zone status.
- Plastics & Extrusion Lines – Tracking barrel heating profiles and hydraulic pressure feedback.
Transparency SOP: Quality Assurance & Testing
Every legacy PS3651A-T42 unit is systematically bench-tested prior to release:
- Visual & Internal Mechanical Check: Inspection for bezel gasket cracks, chassis warping, fan bearing wear, and power supply capacitor degradation.
- 24V DC Power Rail Stress Test: Powering the unit at low (19.2V) and high (28.8V) voltage bounds to ensure internal DC converter stability under load.
- Display & Touch Screen Matrix Calibration: Verifying backlight brightness, color uniformity, and performing multi-point touch accuracy testing across all screen quadrants.
- I/O Port & Network Loopback: Exercising Ethernet LAN ports, COM1/COM2 serial channels, USB ports, and CF card reader lines.
- ESD Cleaning & Protective Packaging: Sanitizing surfaces, followed by static-shielding vacuum sealing with heavy foam cushioning.
PS3651A-T42
PS3651A-T42
The Veteran’s Tech Trap Guide
⚠️ Trap 1: Check the 24V DC Input Power Polarity
The runs strictly on 24V DC power. Applying 120V or 230V AC line power to the power input block will destroy the internal power supply module instantly. Double-check your cabinet wiring before energizing.
❗ Trap 2: SRAM / CMOS Battery Depletion
If the unit has been stored in a spare parts locker for months, the internal coin-cell battery may be discharged. Replace the battery before loading your runtime OS to prevent lost BIOS configurations or real-time clock reset errors upon bootup.
⚠️ Trap 3: Inspect Panel Mount Sealing Gaskets
Never install a replacement panel PC using an oil-soaked or flattened rubber bezel gasket. Washdown fluids or cutting oil seeping through an unsealed cutout will ruin the display inverter located at the bottom of the chassis.
Frequently Asked Questions
Q: Is the Pro-Face still manufactured by Digital/Schneider Electric?
No. The PS3000 series is discontinued by the OEM. We source, refurbish, and bench-test pre-owned and new-surplus units to keep operational lines running without requiring cabinet redesigns.
Q: What operating systems are natively supported on the ?
Depending on memory and storage configuration, the supports legacy OS environments including Windows 2000, Windows XP Professional, Windows XP Embedded, and Windows CE.
Q: Can I swap my existing CompactFlash card directly into this replacement chassis?
Yes. If your original CF memory card or hard drive is undamaged, inserting it into the replacement chassis will boot your original operating system and HMI runtime application seamlessly.
Q: What warranty covers your refurbished units?
Every pre-tested unit is backed by a full 12-month direct replacement warranty.
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