Allen-Bradley 1756-L74 ControlLogix 16 MB Controller
ALLEN-BRADLEY · Programmable Controllers

1756-L74

ControlLogix 16 MB Controller

ControlLogix 16 MB Controller

Catalog Number
1756-L74
Product Family
ControlLogix 5570 / GuardLogix 5570
Platform
ControlLogix
Category
Programmable Controllers
Product Type
Industrial automation product
TECHNICAL INFORMATION

1756-L74 technical information

Technical Specifications

Memory16 MB User Memory, 0.98MB I/O
Non Volatile Memory OptionSecure Digital
Power Supply5ma @ 1.2V DC, 800ma @ 5.1V DC
APPLICATION / ENGINEERING

1756-L74 application and engineering notes

System Role

ControlLogix coordinates high-performance centralized control, large EtherNet/IP architectures, distributed I/O, motion and, where required, safety or redundancy for large machine and process applications.

Selection Criteria

Size controller generation and memory together with EtherNet/IP device load, task/program structure, motion axes, safety/redundancy requirements, chassis and communication modules.

Integration

Engineer 1756 chassis/modules, remote POINT/FLEX/5000 I/O, PowerFlex/Kinetix, FactoryTalk and third-party EtherNet/IP devices as one architecture, including RPI, produced/consumed data, messaging and diagnostics.

Migration / Modernization

For PLC-5, SLC 500 and older ControlLogix migrations, validate I/O conversion, Remote I/O/DH+ communications, MSG logic, tag/program conversion, scan behavior and the controlled cutover plan.

DS Robotik evaluates product selection together with field conditions and system architecture, covering PLC/I/O architecture, panels, software, integration, commissioning and modernization.

PRODUCT STRUCTURE

1756-L74 system position

Allen-Bradley 1756-L74 is part of the ControlLogix 5570 / GuardLogix 5570 product family on the ControlLogix platform.