The 1769-L31 (Part Number: 1769-L31) is a modular Programmable Automation Controller (PAC) belonging to the Allen-Bradley CompactLogix™ 5331 series. This controller is designed for small to mid-size machine-level control applications that require high-performance logic but do not necessitate integrated Ethernet/IP on the processor card. The 1769-L31 (1769-L31) provides a cost-effective solution for standalone machine control or distributed architectures using serial communication, supporting a robust set of local I/O expansion capabilities.
The 1769-L31 (1769-L31) is characterized by its dual serial port configuration and modular I/O footprint.
Manufacturer: Rockwell Automation / Allen-Bradley
Model/Catalog Number: 1769-L31 (1769-L31)
Controller Series: CompactLogix 5331
User Memory: 512 KB (Available for program and data)
Local I/O Capacity: Supports up to 16 local 1769 modules
I/O Bank Limit: Maximum of 3 I/O banks (requires expansion cables)
Communication Ports: Dual RS-232 Serial Ports
Port 1: Isolated (DF1 or ASCII)
Port 2: Non-isolated (DF1 only)
Non-Volatile Memory: Slot available for 1784-CF Series CompactFlash cards
Programming Software: RSLogix 5000 / Studio 5000 Logix Designer
Power Supply Compatibility: 1769-PA2, 1769-PB2, 1769-PA4, 1769-PB4
Operating Temperature: 0°C to +60°C (32°F to +140°F)
Dimensions: 118 × 90 × 87 mm
Shipping Weight: 0.35 kg (0.77 lbs)
Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.
Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.
We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.