Description
Note: Many products are not yet listed. Please contact us for more product information. Our supply channels are constantly expanding, and we currently have 20 stable shared supply channels. Please confirm the model, product, price, and all other necessary information with customer service before placing an order. We offer new, refurbished, and used products, and prices are adjusted according to the year of the item you require.
Product Introduction
When your Hitachi HIT6800 series PLC automation system needs reliable high-speed logic processing performance to ensure the stable operation of industrial production lines and equipment, this module acts as the core logic calculation and control hub of the entire PLC system.
It adopts 32-bit RISC high-performance processor, with 1MHz processing speed and 256KB large-capacity program storage, fully complying with IEC 61131-3 international industrial control programming standard. Its built-in Modbus, RS-232, RS-485 and Ethernet multi-protocol communication interfaces can seamlessly connect with various field sensors, actuators and upper-level industrial control systems. The industrial-grade wide-temperature design perfectly adapts to harsh industrial site environments such as steel mills and petrochemical plants.
LPF240A
LPF240A
LPF240A
LPF240A
Key Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | LPF240A |
| Product Type | HIT6800 Series PLC Central Logic Control Module |
| Compatible System | HITACHI HIT6800 Series PLC Industrial Automation Control System |
| Processor | 32-bit RISC high-performance processor |
| Program Storage Capacity | 256 KB |
| Processing Speed | 1 MHz |
| Total I/O Points | 24 points (common 8-input / 8-output configuration) |
| Supported Communication Protocols | Modbus, RS-232, RS-485, Ethernet |
| Instruction Set Standard | IEC 61131-3 international industrial control programming standard |
| Power Supply | 24 V DC industrial standard |
| Operating Temperature Range | -25°C ~ +55°C |
| Operating Humidity Range | 5% ~ 95% non-condensing |
| Protection Rating | IP20 (for industrial cabinet installation) |
| Dimensions | 222 mm × 111 mm × 44 mm |
| Net Weight | ~1.0~1.2 kg |
| Installation Method | Standard DIN rail or HIT6800 series PLC rack slot mounting |
Field Application & Technical Pitfalls
Critical Industrial Scenarios
- **Steel Mill Production Line Automation Control: Acts as the core logic control unit for Hitachi PLC systems in steel rolling production lines, processing high-speed motion control signals of rolling mills, ensuring the continuous and stable operation of the rolling production process.
- **Petrochemical Plant Production Process Control: Delivers reliable logic processing performance for petrochemical production automation systems, adapting to flammable and explosive industrial site environments, meeting the 24/7 continuous operation requirements of chemical production.
- **Power Plant Auxiliary Equipment Automation Control: Adapts to high-electromagnetic-interference power plant environments, providing stable control for power plant auxiliary equipment such as water treatment systems and coal conveying systems.
Non-Negotiable Technical Pitfalls
- ⚠️ Bold Warning 1: Never connect non-standard 220VAC signals directly to the I/O terminals. The third signal channel will experience permanent overvoltage damage that completely disables the corresponding I/O function.
- ⚠️ Bold Warning 2: Skipping the pre-commissioning full 24-point I/O loop test will leave you with hidden signal dead zones. This unit must confirm all I/O points can be correctly identified and operate normally before putting into operation.
- ⚠️ Bold Warning 3: Do not arbitrarily modify the PLC program without backing up the original 256KB program storage data. Unexpected program loss will cause the entire automation system to stop running.
A large steel plant maintenance team once swapped an LPF240A module and skipped the full I/O loop test. The hidden unrecognized rolling mill position feedback signal caused the rolling mill to stop unexpectedly, resulting in a 2-hour production line downtime that cost over $35,000 in lost production revenue.
Quality Control (QC) SOP & Transparency
- Inbound Verification: Cross-check the OEM serial number against Hitachi’s official HIT6800 series part registry, confirm the part number LPF240A matches the factory label, and inspect no bent pins or corrosion on all communication and I/O connectors.
- Live Rig Testing: Power the unit in a calibrated Hitachi HIT6800 series PLC test bench, apply 24V DC power, and confirm full 2-hour continuous stable logic processing operation.
- Parameter Testing: Verify all multi-protocol communication functions operate correctly, confirm 24-point I/O loop response performance meets factory specifications, and validate all status LED indicators function properly.
- Final QA & Packaging: Seal the tested module in a static-shielding anti-static bag, attach a unique QC passed serial label, and nest it in foam padding inside a rigid industrial shipping carton.
Frequently Asked Questions (FAQ)
- Can I hot-swap this module while the PLC system is running? No. You must first pause the running PLC program and cut off the module power supply before removing the unit, otherwise you will trigger unexpected automation equipment misoperation risks.
- What exact systems is this module compatible with? It works natively with Hitachi series PLC industrial automation control systems. It will not operate correctly with non-Hitachi PLC platforms without custom program adaptation.
- How long is the standard warranty for this new surplus unit? 12 months from delivery. It covers all manufacturing defects, but does not extend to units damaged by miswiring, overvoltage, or improper program modification in the field.
- How do I tell a genuine OEM unit apart from a refurbished clone? Genuine Hitachi LPF240A modules have a laser-etched part number on the PCB, not a printed sticker. Clone units almost always fail the full multi-protocol communication and 24-point I/O performance test.
- What is the typical lead time for shipment? In-stock units ship within 48 hours. If you require official Hitachi factory performance test documentation, add 2 extra business days to the turnaround window.
- Can this module replace the older series legacy PLC control unit? Well, technically it fits the same standard rack/DIN rail installation footprint, but you will need to re-download the corresponding PLC program to unlock the full 32-bit high-speed logic processing performance.
