Allen-Bradley 1756-L61 ControlLogix Processor

Series#: AllenBradley

Product Details

Model: 1756-L61 ALLEN BRADLEY – High-performance ControlLogix processor for mission-critical automation.
Advanced 32-bit CPU with 2 MB of user memory for complex control logic.
Supports up to 32 local I/O modules and 100+ remote nodes via ControlNet/ EtherNet/IP.
Integrated RS-232 serial port for programming and HMI connectivity.
Hot-swappable design with redundant chassis support for maximum uptime.
100% Genuine and New, rigorously inspected before international dispatch.

Specification

The Allen-Bradley 1756-L61 ControlLogix processor is a cornerstone of modern industrial automation, engineered for high-speed logic execution and seamless integration in distributed control systems. This model, the 1756-L61, delivers robust performance with a 32-bit CPU operating at 1.2 GHz, providing 2 MB of user memory for ladder logic, structured text, and function block diagrams. It features a dedicated 10/100 Mbps EtherNet/IP port for real-time I/O and peer-to-peer communication, alongside a ControlNet port for deterministic control networks. The processor supports up to 32 local I/O modules in a single chassis and can manage over 100 remote nodes across multiple networks, making it ideal for large-scale manufacturing, oil & gas, and power generation applications. With redundant chassis and power supply options, the 1756-L61 ensures non-stop operation in critical environments. Its compact form factor and hot-swappable capability simplify maintenance, while the integrated RS-232 port allows easy programming via RSLogix 5000 or Studio 5000 software.

Specification	Details
Product Series	ControlLogix
Processor Type	32-bit RISC
Clock Speed	1.2 GHz
User Memory	2 MB (non-volatile)
I/O Capacity	32 local modules per chassis; up to 100+ remote nodes
Network Ports	1 x EtherNet/IP (10/100 Mbps), 1 x ControlNet (5 Mbps)
Serial Port	1 x RS-232 (DB9, 115.2 kbps max)
Power Supply Compatibility	1756-PA72, 1756-PB72, 1756-PA75, 1756-PB75 (AC/DC models)
Chassis Type	1756-A4, 1756-A7, 1756-A10, 1756-A13, 1756-A17
Operating Temperature	0 to 60 °C (32 to 140 °F)
Storage Temperature	-40 to 85 °C (-40 to 185 °F)
Relative Humidity	5% to 95% non-condensing
Shock Resistance	30 g peak, 11 ms duration (operating)
Vibration Resistance	2 g Standard Models 10-500 Hz (operating)
Certifications	UL, CSA, CE, ATEX, IECEx, TÜV
Programming Software	RSLogix 5000 v20.0 or later; Studio 5000 v24.0 or later
Redundancy Support	Yes (redundant chassis and power supplies)
Dimensions (H x W x D)	5.0 in x 1.7 in x 5.0 in (127 mm x 43 mm x 127 mm)
Weight	1.2 lbs (0.54 kg)