Yokogawa ALR111 Serial Communication Interface Module for Industrial Automation and Control Systems
Yokogawa ALR111 Serial Communication Interface Module for Industrial Automation and Control Systems
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Brand:Yokogawa Electric Item No.:Yokogawa ALR111 Product Origin:Japan Product Dimensions:32.8 × 130 × 126.7 mm Product Weight:0.30 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Yokogawa ALR111 Serial Communication Module is designed to enable reliable data exchange between field control stations and external subsystems within advanced industrial automation environments. Built for Yokogawa control architectures, this module provides a stable RS-232C communication interface that allows controllers, PLCs, and subsystems to exchange operational data efficiently.
Engineered for mission-critical applications, the ALR111 supports multiple transmission speeds and flexible communication settings, ensuring compatibility with a wide range of industrial equipment. Its compact structure, robust electrical design, and dependable communication performance make it an ideal solution for process plants, manufacturing lines, and distributed control systems where reliable serial communication is essential.
With Yokogawa’s reputation for reliability and system integration, the ALR111 helps engineers build scalable and dependable control networks while maintaining consistent performance under demanding operating conditions.
Technical Specifications
Parameter
Specification
Brand
Yokogawa
Model
ALR111
Module Type
Serial Communication Module
Communication Interface
RS-232C (2 ports)
Connection Method
Point-to-Point
Communication Mode
Half-duplex
Synchronization
Start-Stop synchronization
Transmission Speed
1200 / 2400 / 4800 / 9600 / 19200 / 38400 bps
Transmission Code
ASCII / Binary
Character Length
7 or 8 bits
Stop Bit Length
1 or 2 bits
Parity Check
None / Even / Odd
Transmission Distance
Max. 15 m
Connector
D-sub 9-pin (female ×2)
Current Consumption
0.5 A
Power Requirement
24 VDC
Operating Temperature
-10°C to +60°C
Dimensions (W×H×D)
32.8 × 130 × 126.7 mm
Weight
0.30 kg
The ALR111 module enables field control stations to communicate with subsystems such as programmable controllers or other industrial devices through serial communication lines.
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Applications
The Yokogawa ALR111 module is widely used across industries where stable and accurate communication between subsystems is required.
Typical application scenarios include:
Distributed Control Systems (DCS)
Process automation plants
Oil and gas processing facilities
Power generation control systems
Chemical and petrochemical production lines
Manufacturing automation
Plant monitoring and supervisory control networks
Its RS-232 communication capability allows integration with PLCs, barcode scanners, industrial printers, and other serial devices in automation environments.
Advantages
Reliable Serial Communication
The ALR111 ensures stable RS-232C communication, enabling consistent data transfer between field devices and control systems.
Flexible Communication Settings
Multiple transmission speeds and communication formats allow the module to adapt to various industrial devices.
Compact Industrial Design
With a compact structure and lightweight build, the module is easy to install in control cabinets and automation racks.
High System Compatibility
Designed for Yokogawa control platforms, it integrates smoothly with FCS units, bus node units, and subsystem interfaces.
Low Power Consumption
Efficient design minimizes power requirements while maintaining consistent performance.
Industrial-grade Reliability
Engineered for demanding environments, the ALR111 delivers long-term operational stability in process industries.
Technical FAQs
1. What is the main function of the ALR111 module?
It provides serial communication between a field control station and external subsystems using an RS-232 interface.
2. What communication protocol does it support?
The module supports serial communication formats including ASCII and binary transmission.
3. How many communication ports are available?
The ALR111 provides two RS-232C communication ports.
4. What is the maximum communication distance?
The typical maximum transmission distance is approximately 15 meters.
5. What transmission speeds are supported?
It supports speeds ranging from 1200 bps up to 38400 bps.
6. What systems can the module be installed on?
It can be installed on Yokogawa field control units and bus node units such as ANB10, ANR10, AFV series, and similar platforms.
7. What type of connectors are used?
The module uses D-sub 9-pin female connectors.
8. What industries commonly use this module?
Industries such as power generation, chemical processing, oil & gas, and manufacturing frequently deploy it.
9. Does the module support redundant communication?
Some communication configurations support redundant communication depending on the system architecture.
10. Is the module suitable for long-term industrial operation?
Yes. It is designed for continuous operation in industrial control systems with high reliability and stability.
