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Allen Bradley 1756-L84ES｜ControlLogix Controllers｜

Allen Bradley 1756-L84ES｜ControlLogix Controllers｜illustration

General

Manufacturer: Rockwell Automation

Brand: Allen-Bradley

Product Series: ControlLogix 5580 / GuardLogix

Component Type: PLC & I/O

Module Type: Safety Processor

Safety Controller: Yes (Integrated Safety)

Memory

Standard (Non-Safety) User Memory: 20 MB

Safety Memory: Dedicated safety memory (separate partition)

I/O Memory: ~0.98 MB

Non-volatile Memory: 1 GB (SD card, installed)

Memory Card Type: SD

I/O Capacity

Maximum Digital I/O: 128,000

Maximum Analog I/O: 4,000

Maximum Total I/O: 128,000

Communications

On-board Ports:

USB (programming only)

Embedded EtherNet/IP

Supported Networks (via modules/adapters):

EtherNet/IP (standard + safety)

ControlNet

DeviceNet

DH+

Remote I/O

SynchLink

Safety Features

Safety Standard Compliance:

SIL 2 / SIL 3 (IEC 61508)

PL e / Cat. 4 (ISO 13849-1)

Safety Tasks: Integrated with standard logic

Safety I/O: Guard I/O over EtherNet/IP

Tasks & Programs

Maximum Tasks: 32

Programs per Task: 100

Event Tasks: All trigger types supported

Software

Configuration Software:

Studio 5000 Logix Designer

Safety configuration included (GuardLogix)

Electrical & Physical

Power Dissipation: ~2.5 W

Thermal Dissipation: ~8.5 BTU/hr

Weight: ~0.25 kg

Isolation Voltage: 30 V continuous

Environmental

Operating Temperature: 0 °C to 60 °C

Storage Temperature: −40 °C to 85 °C

Relative Humidity: 95 % RH, non-condensing

Mechanical

Shock Rating: IEC 60068-2-27

Vibration Acceleration (Max): 2 m/s²

Vibration Frequency (Operational, Max): 500 Hz

Vibration Standard: IEC 60068-2-6

Allen Bradley 1756-L84ES｜ControlLogix Controllers｜

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Allen Bradley 1756-L84ES｜ControlLogix Controllers｜illustration1

By structuring the information in this manner, the article provides a clear and organized understanding of input channels, transducer supply, and communication implementations in distributed control systems.

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