Products Description
| Company Information | |||
| [email protected] | |||
| Mobile | +8613950166376 | ||
| +8613950166376 | |||
| 13950166376 |
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | Allen-Bradley 1785-L80B |
| Product Type | PLC-5/80 Processor Module |
| Manufacturer | Rockwell Automation / Allen-Bradley |
| Series | PLC-5 (1771 I/O platform) |
| Function | High-performance PLC CPU for large-scale industrial automation systems |
| User Memory | 100K words (battery-backed SRAM) |
| I/O Capacity | Up to 3072 I/O points (any mix) or 3072 in + 3072 out |
| Communication Ports | 4 × DH+/Remote I/O (CH1A, CH1B, CH2A, CH2B), 1 × serial (RS-232/422/423) |
| Programming Software | RSLogix 5 |
| Backplane | 1771 I/O chassis compatible |
| Backplane Current | ~3.3 A @ 5 V DC |
| Power Dissipation | ~17 W |
| Battery Backup | Yes (lithium battery for memory retention) |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity | 5–95% non-condensing |
| Vibration | 2 g (10–500 Hz) |
| Shock | 30 g operating / 50 g non-operating |
| Dimensions (H × W × D) | ~279 mm × 51 mm × 178 mm |
| Weight | ~1.3–1.5 kg |
FAQ
FAQ
Q1. What is the 1785-L80B used for?
It is a PLC-5/80 high-performance processor used for large-scale industrial automation and distributed control systems.
Q2. How much memory does it have?
It provides 100K words of battery-backed SRAM for program and data storage.
Q3. What is its maximum I/O capacity?
It supports up to 3072 I/O points (or 3072 inputs + 3072 outputs in complementary mode).
Q4. What communication interfaces does it support?
It includes 4 DH+/Remote I/O channels and 1 serial port (RS-232/422/423).
Q5. What chassis does it use?
It is installed in a 1771 PLC-5 I/O chassis system.
Q6. What is its role in a control system?
It acts as a central controller coordinating local and remote I/O across multiple racks and networks.
Q7. Is it suitable for modern automation systems?
No, it is a legacy PLC-5 controller, mainly used for maintaining existing industrial installations.
Q8. Why is it considered high-end in PLC-5 series?
Because it has the largest memory, highest I/O capacity, and most communication channels in the PLC-5 family.
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Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
