1771-ASB Allen-Bradley PLC 5 Remote I/O (RIO) Adapter Module

Product parameters

Basic information:

Manufacturer: Allen-Bradley (Rockwell Automation)

Model: 1771-ASB (including different versions such as Series B, D, and E)

Type: Remote I/O Adapter Module

Compatible systems: PLC-2, PLC-3, PLC-5 controllers

Installation location: It must be installed in the leftmost slot of the 1771 I/O rack

Electrical parameters:

Backplane current: 1.0A @ 5V DC (1.2A for some models)

Maximum power consumption: 5.2W

Operating temperature: 0°C to 60°C (32°F to 140°F)

Storage temperature: -40°C to 85°C (-40°F to 185°F)

Authentication: Class I, Division 2, Groups A, B, C, D, Temperature Code T6

Communication parameters:

Communication rate: 57.6 Kbps, 115 Kbps or 230.4 Kbps

Maximum transmission distance:

57.6 Kbps: Up to 10,000 feet (approximately 3,048 meters)

230.4 Kbps: Up to 2,500 feet (approximately 762 meters)

Supported networks: Supports Ethernet, DH+ (Data Highway Plus) or ControlNet networks

Cable type: Belden 9463 or equivalent cable (1770-CD) is recommended.

Terminal resistance: 82 ohms or 150 ohms

Connector: Equipped with 1771-WB wiring arm

I/O point support: Supports 4, 6, 8, 16 or 32 I/O points (can be used in combination)

Addressing mode: Supports 1/2 slot, 1 slot or 2 slot I/O addressing

Others:

Diagnostic function: Equipped with 3 LED indicator lights (I/O rack failure, adapter failure, active status)

Configuration: Settings are made through the module configuration plug, module switch and I/O rack backplane switch

Compatible rack: Supports 1771 I/O racks with 4, 8, 12, 16 or 32 slots

Function

Remote I/O interface

1771-ASB, as a remote I/O adapter, is responsible for connecting the input/output modules in the 1771 I/O rack to the scanning ports of the PLC controller through I/O links to achieve remote data transmission.

Supports communication with up to 32 I/O adapter devices.

Data transmission

Supports parallel reading/writing of I/O module data, and simultaneously supports serial data transmission to I/O scanners.

It provides fast backplane scanning (up to 230.4 Kbps) to ensure efficient data exchange.

Flexible addressing mode:

Supports 1/2 slot, 1 slot and 2 slot addressing to meet the requirements of different I/O module densities.

When powering on, check the I/O configuration and verify whether the module placement is correct.

Diagnosis and Monitoring

It is equipped with three LED indicator lights for real-time monitoring of the I/O rack, adapter status and communication activities, facilitating troubleshooting.

You can choose to scan all slots or ignore the last four slots to optimize the scanning time and I/O image space.

Compatibility and scalability

It can be integrated with a variety of Allen-Bradley devices (such as RediPANEL button modules, VMEbus I/O scanners).

Supports connecting up to 8 adapters in a single subnet.

The behavior of the Series B adapter can be simulated to ensure compatibility with older systems (such as 1771-S4A, S4B scanners).

Simplify wiring and maintenance:

By placing the I/O module close to the sensors and actuators, the wiring requirements are reduced, and the installation and maintenance costs are lowered.

Equipped with a wiring arm (1771-WB), it simplifies the wiring process and reduces setup errors.

Application scenarios

Distributed control system

It is applicable to scenarios where I/O modules need to be distributed in different areas of the factory, such as large manufacturing plants, chemical production or energy facilities.

The data of sensors and actuators are efficiently transmitted to the central PLC controller through the remote I/O link.

Industrial Automation

It is used to control and monitor various industrial processes, such as production lines, assembly lines, packaging equipment and material handling systems.

It is particularly suitable for scenarios that require high reliability and rapid response, such as automotive manufacturing or food processing.

Energy and Public Utilities

In the power, oil and gas or water treatment industries, it is used to monitor and control remote devices (such as pumps, valves, sensors).

Its durable design and wide temperature range make it suitable for harsh industrial environments.

Upgrade of the old system

It is applicable to upgrading or maintaining traditional automation systems based on PLC-2, PLC-3 or PLC-5.

Provide migration paths with modern ControlLogix systems to help enterprises leverage new technologies to enhance performance and efficiency.

Complex I/O configuration

It supports a mixed configuration of multiple I/O points (4, 6, 8, 16, 32 points), making it suitable for complex control systems that require flexible I/O layouts.

It can be used in scenarios that require high-density I/O or multi-point data acquisition, such as factory automation or process control.

Advantage Products:

All items are Distributor Ready-stock Genuine Brand-new Supplying, please inform us if the other conditions are needed, Used, Open-box, Refurbished, etc.

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