A-B 1747-L551

A-B 1747-L551 is a processor module produced by Allen-Bradley(part of Rockwell Automation).Here is a detailed introduction to it:

I.Basic Overview

Allen-Bradley 1747-L551 is a high-performance controller module with integrated 16KB program memory and capable of controlling up to 4096 input and output points.It supports online and offline programming functions such as runtime editing and is widely used in industrial automation control systems.

A-B 1747-L551

II.Functional Features

Communication Capability:

With Ethernet port,it supports built-in 10/100 Base-T Ethernet channel,supports SNMP,BOOTP,extended messaging functions and high-speed communication.

With RS232 port,it supports DF1 full-duplex,DF1 half-duplex host and DF1 radio modem.

Real-time clock:It has built-in real-time clock and calendar functions for convenient time-related control and recording.

Instruction set:It includes advanced mathematical instructions and various additional instructions,supports indirect addressing,and provides rich programming options.

Channel-to-channel,remote I/O,and DeviceNet pass-through functions:enhance the flexibility and scalability of the module.

A-B 1747-L551

3.Electrical and physical characteristics

Operating voltage and current:The supported operating voltage range is 24~240V(may vary depending on the application),and the rated current is 60A(the specific value may vary depending on the actual application).

Operating temperature and humidity:

The operating temperature range is 32140 degrees Fahrenheit(about 060 degrees Celsius).

The storage temperature range is-40185 degrees Fahrenheit(about-4085 degrees Celsius).

Relative humidity is 5%~95%,non-condensing.

Tolerance:

According to UL 508,CSA C22.2 No.142 standards,the module has an insulation tolerance of 150 volts AC.

The isolation voltage between the backplane and I/O is 1500 volts AC.

Vibration and shock:

The operating vibration is 2.5G,and the frequency is 5~2000 Hz.

The non-operating vibration is 5G,and the frequency is 5~2000 Hz.

The operating shock is 30G(3 pulses,11 milliseconds).

The non-operating shock is 50G(3 pulses,11 milliseconds).

IV.Application and Compatibility

Application Field:Widely used in industrial automation fields,such as manufacturing,process control,etc.

Compatibility:As part of the Allen-Bradley PLC system,the 1747-L551 module is compatible with other Allen-Bradley PLC components and automation software,which is easy to integrate and expand.

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