Yokogawa ALR121-S00 Serial Communication Module
- Brand: Yokogawa
- Model Number: ALR121-S00
- Type: Serial Communication Module
- Product Origin: Japan
- Dimensions: 32.8 × 126.7 × 130 mm
- Weight: Approx. 0.34 kg
Description
The Yokogawa ALR121-S00 Communication Module is a dual-port serial communication module designed for Yokogawa CENTUM VP and CENTUM CS distributed control systems (DCS). Supporting RS-422 and RS-485 communication interfaces, it enables reliable data exchange between field control stations and external subsystems, PLCs, analyzers, and intelligent devices. Engineered for dependable industrial communication, the module delivers stable half-duplex data transmission, high system compatibility, and seamless integration in demanding process automation environments.
Industrial facilities searching for a trusted supplier of Yokogawa ALR121-S00 Communication Modules in Africa require genuine Yokogawa automation products that ensure reliable communication and seamless system compatibility. Instrument Africa supplies Yokogawa DCS spare parts, Yokogawa communication modules, and industrial automation components across Africa, supporting oil & gas, power generation, mining, petrochemical, chemical processing, water treatment, and manufacturing industries. Companies looking for Yokogawa ALR121-S00 modules in Africa, Yokogawa RS-422/RS-485 communication modules, Yokogawa CENTUM VP spare parts, and industrial automation suppliers in Africa rely on the ALR121-S00 for control system upgrades, maintenance shutdowns, subsystem integration, and critical replacement applications.
Key Features of Yokogawa ALR121 S00 Communication Module
- Dual-port RS-422/RS-485 serial communication module
- Designed for Yokogawa CENTUM VP and CENTUM CS DCS platforms
- Supports point-to-point and multipoint communication
- Half-duplex communication for reliable industrial data exchange
- Configurable transmission speeds up to 38.4 kbps
- Supports ASCII and binary transmission formats
- High immunity to industrial electrical noise
- Seamless integration with Yokogawa field control stations
- Compact industrial-grade design for continuous operation
- Ideal for subsystem integration, maintenance, and control system expansion
Technical Specifications of Yokogawa ALR121 S00 Communication Module
| Parameter | Specification |
|---|---|
| Model Number | ALR121-S00 |
| Product Type | Serial Communication Module |
| Manufacturer | Yokogawa |
| Compatible Systems | CENTUM VP, CENTUM CS |
| Communication Interface | RS-422 / RS-485 (2 Ports) |
| Communication Mode | Half-duplex |
| Connection Method | Point-to-point (RS-422), Multipoint (RS-485) |
| Synchronization | Start-stop synchronization |
| Transmission Code | ASCII / Binary |
| Baud Rate | 1200, 2400, 4800, 9600, 19200, 38400 bps |
| Character Length | 7 or 8 bits |
| Stop Bits | 1 or 2 |
| Parity | None / Even / Odd |
| Maximum Transmission Distance | Up to 1200 m |
| Current Consumption | Approx. 0.5 A |
| Weight | Approx. 0.34 kg |
Package Includes
Standard package contents generally include:
- 1 × Yokogawa ALR121 S00 Communication Module
- Industrial protective packaging
- Factory identification label
- Inspection or quality assurance documentation
- Anti-static protective covering
Applications
The Yokogawa ALR121-S00 Communication Module is commonly used in:
- Yokogawa CENTUM VP Distributed Control Systems (DCS)
- Yokogawa CENTUM CS 3000 Control Systems
- Serial Communication Networks (RS-422/RS-485)
- PLC and Subsystem Integration
- Process Control and Monitoring Systems
- Oil and Gas Processing Facilities
- Petrochemical and Chemical Plants
- Power Generation Facilities
- Water and Wastewater Treatment Plants
- Mining and Metals Processing Operations
Leading Yokogawa Electric Corporation Supplier Across Africa
Instrument Africa supplies Yokogawa Electric Corporation automation products, including the Yokogawa ALR121-S00 Serial Communication Module, DCS modules, and industrial control system spare parts across Africa.
Regionally Aligned Supply Chain
We supply Yokogawa automation and DCS spare parts across Africa, helping industries reduce downtime caused by long OEM lead times, breakdowns, and obsolete components. Our sourcing network ensures fast, reliable delivery for maintenance teams, plant operators, and industrial projects across oil & gas, power generation, and process industries in Africa.
Genuine Yokogawa Industrial Components
We supply original and verified Yokogawa parts, including AIP830-101 and CENTUM system modules, sourced through approved global channels. All parts are suitable for use in:
- Oil & Gas facilities
- Power generation plants
- Petrochemical and chemical industries
- Industrial automation systems
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From PLC I/O modules and DCS components to field instrumentation, we deliver application-ready solutions tailored for plant reliability and operational efficiency.
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We deliver Yokogawa products to major industrial regions including: Angola, Burundi, Egypt, Ghana, Kenya, Nigeria, Rwanda, South Africa, Tanzania, and Uganda.
We provide full export support including:
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We provide competitive pricing for industrial buyers across maintenance shutdowns, EPC projects, bulk procurement, and emergency replacement requirements, supporting cost-efficient sourcing for critical automation systems.
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We deliver to a wide range of international destinations, including Angola, Burundi, Egypt, Ghana, Kenya, Nigeria, Rwanda, South Africa, Tanzania, and Uganda.
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Delivery timelines may vary depending on product availability and destination. Standard delivery typically takes 5 to 10 business days. Expedited shipping options can be arranged for urgent requirements.
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