Allen Bradley 1756-L61 Series B Logix 5561 Controller Processor

P/N: 1756-L61USED · TESTED

$375.00

In stock — 2 units· ships fast

Request a quote — volume & international

30-day warranty included

Every unit is function-tested before shipping and covered for 30 days from delivery. DOA units replaced at our cost.

Ships from Goleta, CA

Ships to 30+ countries

100% positive feedback

3,200+ items sold

Key specifications

Controller Logix5561 (ControlLogix 1756 chassis)

User memory 2 MB

I/O memory 478 KB

Serial port CH0 RS-232 (DF1, DH-485, ASCII; Modbus via logic)

Nonvolatile storage CompactFlash slot (1784-CF128)

Front panel Keyswitch (RUN/REM/PROG) + status LEDs

Controller tasks 32

Hardware series B

Item specifics

Model 1756-L61

MPN 1756-L61

Brand Allen-Bradley

The Allen-Bradley 1756-L61 is the Logix5561 processor for the ControlLogix 1756 chassis, with 2 MB of user memory plus 478 KB of I/O memory for mid-size control applications. Programs load over the front RS-232 port (CH0 — DF1, DH-485 or ASCII), a keyswitch selects RUN, REM or PROG, and a CompactFlash slot takes a 1784-CF128 card for nonvolatile project storage.

This listing is a Series B unit, tested through our 12-point Orbitz Certified process.

Condition: Used, tested, as listed, covered by the Network Orbitz 30-Day Warranty.

Used, tested unit: after Rockwell's reference render (shown with battery and keys), the photos show the exact processor that ships — front bezel and the side label/battery compartment.

Orders are professionally packed and dispatched fast, fully tracked. Heavy items ship on protected freight. Every unit carries our 30-day warranty from delivery.