PD104SL5: The Robust 10.4-inch SVGA TFT-LCD for Industrial HMI and Legacy System Integration
An Engineering-Focused Overview of the PVI PD104SL5 Display Module
Content last revised on October 18, 2025.
Engineered for endurance and seamless integration, the PVI PD104SL5 is a 10.4-inch SVGA TFT-LCD module designed to meet the rigorous demands of industrial environments. This display delivers proven performance with its core specifications: 10.4” SVGA (800x600) | 300 nits Brightness | -10°C to +70°C Operating Temperature. The primary engineering benefits include exceptional operational reliability across wide temperature fluctuations and cost-effective retrofitting for legacy systems. It directly addresses the challenge of sourcing dependable, form-factor-correct displays for existing industrial control panels. For system designs requiring a mechanically compatible display with higher brightness, the G104S1-L01 offers a similar form factor with different performance characteristics. Best fit for maintaining and upgrading industrial HMIs where a 4:3 aspect ratio and proven durability are non-negotiable requirements.
Application Scenarios & Value
System-Level Benefits in Industrial Equipment Modernization
The PVI PD104SL5 provides significant value in the maintenance, repair, and overhaul (MRO) of long-lifecycle industrial equipment. A primary engineering challenge in this sector is replacing failed displays in older Human-Machine Interface (HMI) units or Programmable Logic Controller (PLC) visualization panels without undertaking a costly, system-wide redesign. The PD104SL5's classic 4:3 aspect ratio and standard SVGA (800 x 600) resolution make it a direct-fit replacement for many aging industrial displays. This compatibility minimizes the need for software modifications and mechanical adjustments, drastically reducing engineering time and system downtime. Its anti-glare surface treatment and 300 cd/m² brightness ensure clear readability under the varied and often challenging lighting conditions found on factory floors, contributing to reduced operator error and improved safety.
Key Parameter Overview
Decoding the Specs for Environmental Reliability and Visual Performance
The specifications of the PD104SL5 are tailored for industrial utility, prioritizing reliability and clear visual output over consumer-grade metrics. The parameters below highlight its suitability for control and monitoring applications where performance under stress is critical.
| Parameter | Specification & Engineering Insight |
|---|---|
| Display Size | 10.4 inch (26.4 cm) diagonal - A standard size for a wide range of industrial control panels and embedded systems. |
| Resolution | 800 (RGB) × 600 [SVGA] - Provides sufficient detail for typical HMI graphics and data readouts without requiring high-performance graphics controllers. Ideal for legacy system compatibility. |
| Brightness | 300 cd/m² (Typ.) - Delivers solid readability in typical indoor industrial and control room environments. |
| Contrast Ratio | 350:1 (Typ.) - This ratio is key for distinguishing between different graphical elements and ensuring text is legible. Think of it like the difference between whispering and speaking clearly in a moderately noisy room; a 350:1 ratio ensures information is conveyed distinctly, preventing misinterpretation. |
| Viewing Angle | 45/45/15/35 (L/R/U/D) - Optimized for a direct, head-on viewing position typical for a machine operator. |
| Operating Temperature | -10°C to +70°C - A critical specification confirming its ability to operate reliably in unconditioned environments, from cold storage facilities to factory floors with significant heat-generating machinery. |
| Storage Temperature | -20°C to +70°C - Ensures module integrity during transport and storage in non-controlled warehouses. |
| Backlight System | 1 pc CCFL (Cold Cathode Fluorescent Lamp) - A mature and well-understood backlight technology with predictable drive requirements and lifetime characteristics. |
| Signal Interface | TTL (1 ch, 6-bit) - A standard parallel interface common in industrial controllers, simplifying integration with existing hardware. |
Disclaimer: The parameters listed are for reference purposes. For detailed specifications, performance curves, and integration guidelines, consult the official document.
Download the PD104SL5 datasheet for detailed specifications and performance curves.
Frequently Asked Questions (FAQ)
How does the PD104SL5's 4:3 aspect ratio provide a tangible benefit in system design?
Its 4:3 aspect ratio is a key advantage for retrofitting older industrial machines, which were almost universally designed for this format. Using the PD104SL5 allows engineers to replace a faulty display without altering the machine's physical enclosure or rewriting the HMI software's graphical layout, saving significant time and cost.
What is the engineering significance of the -10°C to +70°C operating temperature range?
This wide range is crucial for reliability in environments that lack climate control. It guarantees stable display operation on factory floors, in outdoor-housed control boxes, or in vehicles where temperatures can fall below freezing or rise significantly, a key differentiator from commercial-grade displays.
What are the design considerations for the single CCFL backlight system?
Engineers must account for the CCFL inverter, which supplies the high voltage needed to power the lamp. The design must also consider the warm-up time of the CCFL in cold conditions and its typical lifespan (often rated in hours to 50% brightness), which is a critical factor for planning system maintenance cycles.
How does the anti-glare surface of the PD104SL5 benefit an industrial HMI?
The anti-glare treatment diffuses ambient light reflections from overhead factory lighting or indirect sunlight. This reduces visual noise and glare, improving screen legibility and reducing eye strain for the operator, which is vital for minimizing errors in critical monitoring tasks.
Is the TTL interface on the PD104SL5 compatible with modern controllers?
While many modern controllers use LVDS or eDP interfaces, the TTL interface on the PD104SL5 is ideal for direct connection to legacy industrial motherboards and single-board computers. For new designs, a simple TTL-to-LVDS converter IC can be used if the chosen processor lacks a parallel RGB output.
Industry Insights & Strategic Advantage
Ensuring Operational Continuity in Long-Lifecycle Industrial Systems
The industrial automation and manufacturing sectors are characterized by equipment with lifecycles often exceeding 15-20 years. For these systems, operational continuity is paramount. The PVI PD104SL5 serves a strategic role by providing a reliable, form-fit-function display solution that extends the life of valuable capital equipment. Opting to replace a display module rather than an entire HMI or control system offers a dramatic reduction in the total cost of ownership (TCO). This approach avoids the cascading costs associated with system-wide requalification, software migration, and operator retraining.
What is the key value of a wide operating temperature range? It acts as an all-season tire for your HMI. While a standard display might fail in a cold food processing plant or overheat near a furnace, the PD104SL5 is engineered to perform consistently across these extremes. This inherent robustness is fundamental for equipment deployed in challenging thermal environments, where display failure can lead to costly production halts. This focus on durability makes it a smart choice for any industrial TFT-LCD application where uptime is the primary performance metric.
A Strategic Component for Sustaining Proven Systems
In an era of rapid technological change, the PVI PD104SL5 represents a commitment to stability and long-term support. By providing a reliable component for existing infrastructure, it allows engineering and procurement teams to make fiscally responsible decisions that prioritize operational uptime and maximize the return on original equipment investments. This display is not about chasing the latest specifications but about delivering the sustained performance required to keep critical industrial processes running reliably.
