Allen-Bradley 1771-ASB PLC-5 Remote I/O Adapter Module
$123.00
$320.00
Description
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.
Features
Minimum Order Quantity (MOQ)
We welcome bulk orders and have a minimum order quantity of just one unit.
Certificates and Documentation
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
Delivery Time
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
Payment Methods
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
Warranty
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Refund and Return Policy
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
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