Controllers

Standard ControlLogix Controllers

The ControlLogix controller is part of the Logix5000 family of controllers. A ControlLogix system includes:

the ControlLogix controller, L6 or L7 series, available in different combinations of user memory.
RSLogix 5000 programming software.
1756 ControlLogix I/O modules that reside in a 1756 chassis.
separate communication modules for network communications.

1756-L6 Controllers Offer:

1756-L7 Controllers Offer:

Built-in USB port
500 controller connections, max.
SDRAM nonvolatile memory storage; ships with 1784-SD1 Secure Digital card installed
Energy Storage Module (ESM) eliminates the need for lithium batteries
On-board display for controller diagnostics and run-time information
Increased speed and processing capabilities for high-performance logic, motion, process, and redundancy applications

Features

Feature	1756-L6 Controllers	1756-L7 Controllers
Controller tasks	• 32 tasks • 100 programs/task • Event tasks: all event triggers
Built-in communication ports	1 RS-232 serial port	1 USB port
Serial port communications	• ASCII • DF1 full/half-duplex • DF1 radio modem • DH-485 • Modbus via logic	—
Communication options	• EtherNet/IP • ControlNet • DeviceNet • Data Highway Plus • Remote I/O • SynchLink • Third-party process and device networks
Controller connections supported, max	250	500
Network connections, per network module	• 100 ControlNet (1756-CN2/A) • 40 ControlNet (1756-CNB) • 256 EtherNet/IP; 128 TCP (1756-EN2x) • 128 EtherNet/IP; 64 TCP (1756-ENBT)
Controller redundancy	Full support
Integrated motion	• EtherNet/IP connection • SERCOS interface • Analog options ( Encoder input, LDT input, SSI input)
Programming languages	• Relay ladder • Structured text • Function block • SFC

ControlLogix Standard Controllers

Specifications [PDF]