Products Description
| Company Information | |||
| [email protected] | |||
| Mobile | +8613950166376 | ||
| +8613950166376 | |||
| 13950166376 |
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | Allen-Bradley 1785-L40 |
| Product Type | PLC-5/40 Processor Module |
| Manufacturer | Rockwell Automation / Allen-Bradley |
| Series | PLC-5 (1771 I/O platform) |
| Function | High-performance programmable logic controller CPU for large-scale industrial automation |
| User Memory | 48K words (battery-backed SRAM) |
| I/O Capacity | Up to 2048 I/O (any mix) |
| Analog I/O | Up to 2048 analog I/O (system dependent) |
| Communication Ports | 4 × DH+/Remote I/O channels, 1 × serial (RS-232/422/423) |
| Optional Versions | Ethernet (L40E), ControlNet (L40C), extended I/O (L40L variants) |
| Programming Software | RSLogix 5 |
| Backplane | 1771 I/O chassis compatible |
| Backplane Power | Supplied via 1771 chassis |
| Battery Backup | Yes (lithium battery) |
| 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) | ~280 mm × 160 mm × 50 mm |
| Weight | ~1.0–1.4 kg |
| Mounting Type | 1771 chassis slot module |
FAQ
FAQ
Q1. What is the 1785-L40 used for?
It is a high-performance PLC-5/40 processor used for controlling large and complex industrial automation systems.
Q2. Is it a CPU or communication module?
It is a CPU (processor module), responsible for executing control logic.
Q3. What memory capacity does it have?
It provides 48K words of battery-backed SRAM.
Q4. What communication interfaces are available?
Standard versions support DH+, Remote I/O, and serial communication, with variants offering Ethernet or ControlNet.
Q5. How many I/O points can it support?
Up to 2048 I/O points, depending on system configuration.
Q6. What chassis does it use?
It installs into a 1771 I/O chassis in PLC-5 systems.
Q7. Does it require a battery?
Yes, a lithium battery is required to retain memory when power is removed.
Q8. Is it still in production?
No, it is a legacy/discontinued PLC-5 processor, commonly maintained in existing installations.
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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.
