Description
Product Introduction
The Pro-Face PL-5700S1 is a 10.4-inch industrial panel computer engineered by Digital Electronics Corporation (Pro-Face). Introduced as part of the early-generation PL-5700 series, this rugged PC combines an industrial-grade x86 motherboard, a high-contrast 10.4-inch TFT color display, and a resistive touch screen into a sealed front-bezel housing.
Designed for harsh plant environments, the PL-5700S1 bypasses commercial PC vulnerabilities in favor of heavy-duty noise isolation, reinforced panel mounting, and expansive legacy I/O support (including RS-232C serial, PCMCIA card slots, and printer ports). It serves as an operator terminal for SCADA monitoring, custom Windows/DOS control runtimes, and direct PLC diagnostics on legacy production lines.
Key Technical Specifications
| Parameter | Specification |
| Model Code | PL-5700S1 |
| Display Panel | 10.4-inch TFT Color LCD (VGA 640 × 480 pixels) |
| Touch Screen Panel | High-Precision Analog Resistive Film Overlay |
| Input Power | 100V AC to 240V AC (50/60 Hz wide-range input) |
| Cooling Architecture | Internal forced-air fan with replaceable intake dust filter |
| Serial Communications | COM1 (RS-232C), COM2 (RS-232C / RS-422 configurable) |
| Expansion Capabilities | PCMCIA Type II/III slots, IDE storage interface (HDD/CF card) |
| 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 an aging PL-5700S1 unit suffers a power supply failure or hard drive crash on a key manufacturing line, replacing the unit with a modern PC is rarely straightforward. Modern computers lack legacy ISA/PCI support, 16-bit OS drivers, and the exact 10.4-inch panel cutout dimensions. Sourcing a bench-tested PL-5700S1 replacement allows maintenance technicians to move the original IDE drive or PCMCIA card over to the replacement chassis, restore original system drivers, and re-boot the line in less than an hour.
Target Applications
- Automotive Stamping & Press Lines – Running localized machine diagnostic screens, part counter logging, and press angle tracking.
- Plastics Injection Molding – Displaying real-time temperature zone curves and hydraulic valve pressure profiles.
- Packaging & Conveyor Systems – Serving as a centralized terminal for conveyor routing, motor drive alarms, and photoelectric sensor states.
PL-5700S1
Transparency SOP: Quality Assurance & Testing
Every legacy PL-5700S1 panel computer is systematically bench-tested prior to release:
- Visual & Internal Mechanical Check: Full teardown inspection for bezel seal degradation, chassis warping, fan bearing noise, and power supply capacitor bulge.
- Power Rail Regulation Check: Testing internal DC power supply rails (+5V, +12V, -12V, +3.3V) across line voltages (100V–240V AC) under heavy load.
- Display & Touch Screen Matrix Calibration: Inspecting LCD brightness, checking backlight uniformity, and performing multi-point touch accuracy verification across all screen coordinates.
- I/O & Expansion Port Diagnostics: Exercising COM1, COM2, printer parallel ports, and PCMCIA bus lines using loopback diagnostic software.
- Burn-In & ESD Packaging: 24-hour continuous power burn-in, static cleaning, and vacuum sealing with custom foam packaging.
The Veteran’s Tech Trap Guide
⚠️ Trap 1: Check the CMOS Backup Battery
The PL-5700S1 uses an internal 3V lithium coin cell battery to store BIOS settings and real-time clock data. If a surplus unit has been stored in inventory for years, replace the backup battery before deploying the unit to prevent “CMOS Checksum Error” halts on bootup.
❗ Trap 2: Clean or Replace the Intake Fan Filter
The PL-5700S1 relies on an internal cooling fan pulling air through a small filter mesh on the side or rear of the housing. If this filter becomes clogged with ambient plant oil mist or dust, internal thermal buildup will cause unpredictable CPU throttling or spontaneous thermal shutdowns.
⚠️ Trap 3: Rubber Gasket Sealing During Re-Installation
Never re-install a replacement panel computer using a dried, cracked, or missing front bezel gasket. Washdown fluids or ambient moisture leaking through the panel cutout will drop directly onto the display inverter board, causing an electrical short.
Frequently Asked Questions
Q: Is the Pro-Face PL-5700S1 still actively manufactured?
No. The PL-5700 series is a legacy/discontinued line from Digital Electronics Corporation (Pro-Face). We supply pre-owned, refurbished, and new-surplus units to keep existing machinery operating without requiring cabinet alterations.
Q: What operating systems are natively supported on the PL-5700S1?
Depending on memory configuration and storage media, the PL-5700S1 supports legacy x86 operating systems including MS-DOS, Windows 3.1, Windows 95/98, Windows NT 4.0, and Windows 2000/XP Embedded.
Q: Can I swap my existing hard drive into a replacement PL-5700S1 chassis?
Yes. If your original IDE hard drive, CompactFlash adapter, or PCMCIA system card is functional, installing it directly into the replacement PL-5700S1 chassis will boot your original operating system and application software seamlessly.
Q: What warranty covers your refurbished PL-5700S1 units?
Every pre-tested PL-5700S1 unit is backed by a full 12-month direct replacement warranty from stocked inventory.
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