Allen-Bradley 1771-ASB PLC-5 Remote I/O Adapter Module
$123.00
$320.00
Deskripsi
Overview
The Allen-Bradley 1771-ASB is a PLC-5 series remote I/O adapter module designed to link distributed I/O chassis with programmable controllers across industrial networks. It enables high-reliability communication between remote racks and central PLC systems, supporting scalable automation architectures.
This module acts as a communication bridge for remote I/O configurations, allowing multiple input and output modules to be managed from a central control system over extended distances.
Key Features
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Remote I/O communication interface for PLC-5 systems
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Supports long-distance control network integration
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Flexible addressing modes: 1-slot, 1/2-slot, and 2-slot configurations
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Integrated field wiring arm for simplified installation
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Configuration jumpers included for setup flexibility
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Built-in diagnostic indicators for system monitoring
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Supports up to 32 I/O points in mixed configurations
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Designed for leftmost slot installation in I/O chassis
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Suitable for distributed control and remote rack architectures
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Allen-Bradley |
| Model | 1771-ASB |
| Product Type | Remote I/O Adapter Module |
| Product Series | PLC-5 |
| Function | Remote I/O Communication Interface |
| Backplane Current | 1.0–1.2 A @ 5 VDC |
| Supply Voltage | 5 VDC |
| Maximum Cable Distance | Up to 10,000 cable feet |
| Maximum Baud Rate | 57.6 Kbps at full distance |
| Addressing Methods | 1-slot / 1/2-slot / 2-slot |
| I/O Capacity | Up to 32 points (mixed I/O) |
| Diagnostic Indicators | Supported (status and fault LEDs) |
| Wiring Interface | Field Wiring Arm Included |
| Configuration Hardware | Jumpers Included |
| Mounting Position | Leftmost chassis slot |
| Mounting Style | Rack-mounted |
| Terminal Type | Screw terminals |
| Weight | 1.54 lbs |
System Functionality
The 1771-ASB module provides deterministic remote communication between PLC processors and distributed I/O racks. It supports stable data exchange across long cable distances, ensuring consistent system synchronization in large-scale installations.
Its flexible addressing structure allows engineers to optimize I/O density based on application requirements.
Typical Applications
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Distributed I/O control systems
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Large-scale manufacturing automation
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Remote process monitoring systems
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Material handling networks
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Oil and gas facility control systems
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Multi-rack PLC-5 architectures
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Infrastructure and utility automation
FAQ
What is the primary function of the 1771-ASB module?
It serves as a communication adapter between PLC-5 controllers and remote I/O racks.
What is the maximum communication distance supported?
The module supports communication distances up to 10,000 cable feet.
Does it support multiple I/O addressing formats?
Yes. It supports 1-slot, 1/2-slot, and 2-slot addressing methods.
Where is the module installed in the chassis?
It must be installed in the leftmost slot of the I/O chassis.
Is configuration hardware included?
Yes. The unit includes both configuration jumpers and a field wiring arm.
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