Description
1785-L20E Allen‑Bradley Output module
Product Dimensions：
Product Description
The Allen-Bradley 1785-L20E is a member of the PLC-5 family of programmable logic controllers. It is an Ethernet-enabled processor designed for use in industrial automation environments requiring robust control, networking, and communication capabilities. The 1785-L20E combines powerful logic processing with built-in Ethernet/IP communication, making it ideal for both legacy and modern industrial systems.
Product Specifications
| Parameter | Description |
|---|---|
| Processor Type | PLC-5 Ethernet Processor |
| Memory Size | 64 KB (user memory) |
| I/O Capacity | Up to 1024 inputs and 1024 outputs |
| Communication Ports | 1 Ethernet (10/100BaseT), 1 DH+ (Data Highway Plus), 1 RS-232/RS-422/485 |
| Backplane Compatibility | 1771 I/O chassis (local and remote) |
| Programming Software | RSLogix 5 |
| Networking Protocols | Ethernet/IP, DH+, Remote I/O (RIO) |
| Power Supply | Requires 1771 power supply (e.g., 1771-P7) |
| Operating Temperature | 0–60 °C (32–140 °F) |
| Certifications | UL, CE, C-Tick, KC |
Product Advantages
- Ethernet Integration: Built-in Ethernet/IP enables direct connectivity to HMIs, SCADA systems, and other networked devices.
- Robust Performance: Handles complex control tasks with high-speed logic execution and large I/O capacity.
- Legacy Support: Compatible with existing PLC-5 systems, DH+ networks, and 1771 I/O modules.
- Flexible Communication: Multiple communication ports allow integration into diverse industrial networks.
- Reliability: Designed for harsh industrial environments with wide temperature tolerance and solid construction.
- Ease of Programming: Fully supported by RSLogix 5 software with ladder logic programming.
Precautions
- Compatibility Check: Ensure compatibility with existing 1771 I/O modules and chassis before installation.
- Firmware Updates: Periodically check and update firmware to maintain optimal performance and security.
- Network Configuration: Properly configure IP addresses and subnet masks to avoid network conflicts.
- Power Requirements: Use only compatible Allen-Bradley power supplies to prevent hardware damage.
- Environmental Considerations: Avoid exposure to extreme humidity, corrosive gases, or direct sunlight.
- Backup Programs: Always back up control programs and configurations before making changes or updates.
Product Applications
- Factory Automation: Used in assembly lines, packaging systems, and material handling.
- Process Control: Applied in industries such as water treatment, chemical processing, and oil & gas.
- Machine Control: Controls complex machinery requiring precise timing and coordination.
- SCADA Integration: Serves as a data acquisition and control node in SCADA systems.
- Legacy System Upgrades: Enables Ethernet connectivity in older PLC-5 systems without replacing entire hardware setups.
- Remote Monitoring: Facilitates remote access and monitoring of equipment via Ethernet/IP networks.
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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