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Yokogawa ALR121-SE1 Serial Communication Module
Manufacturer: Yokogawa
Product Number: ALR121-SE1
Category: Serial Communication Module
Interface: RS-422/RS-485
Number of Ports: 2
Baud Rates: 1200 to 38400 bps
Application: Industrial automation and control systems requiring serial communication
Product Description
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | ALR121‑SE1 |
| Type | Serial Communication Module (RS‑422/RS‑485, 2‑port) |
| Interface | RS‑422 (point‑to‑point) / RS‑485 (multipoint) |
| Transmission Speeds | 1 200 / 2 400 / 4 800 / 9 600 / 19 200 / 38 400 bps |
| Current Consumption | Approx. 0.5 A |
| External Dimensions | Width ≈ 32.8 mm × Height ≈ 142.9 mm × Depth ≈ 125.5 mm |
| Weight | Approx. 0.34 kg |
FAQ
Q1: What does the “‑SE1” suffix in ALR121‑SE1 indicate?
A1: “‑SE1” designates a specialized enhanced version of the ALR121 module, offering additional functionality or firmware improvements compared to standard variants.
Q2: Which communication protocols does this module support?
A2: It supports RS‑422 for point‑to‑point and RS‑485 for multipoint serial communication.
Q3: What baud rates can the ALR121‑SE1 operate at?
A3: Supported baud rates include 1 200, 2 400, 4 800, 9 600, 19 200, and 38 400 bps.
Q4: What are the module’s dimensions and weight?
A4: The module measures approximately 32.8 mm width, 142.9 mm height, 125.5 mm depth, and weighs about 0.34 kg.
Q5: How much current does the module consume?
A5: The module draws roughly 0.5 A during normal operation.
Q6: Can ALR121‑SE1 be used in redundant communication configurations?
A6: Yes, it can be installed in dual modules to enable fault-tolerant, redundant communication setups.
Q7: What systems is this module designed for?
A7: It is designed for field control systems and safety control stations requiring reliable serial communication with subsystems such as FA‑M3 or Modbus devices.
Q8: Where can installation and wiring instructions be found?
A8: Detailed installation, wiring, and configuration guidance is provided in the ALR121 series hardware specification and installation manual.
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Yokogawa ALR121-SE1 Serial Communication Module
Manufacturer: Yokogawa
Product Number: ALR121-SE1
Category: Serial Communication Module
Interface: RS-422/RS-485
Number of Ports: 2
Baud Rates: 1200 to 38400 bps
Application: Industrial automation and control systems requiring serial communication
Product Description
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | ALR121‑SE1 |
| Type | Serial Communication Module (RS‑422/RS‑485, 2‑port) |
| Interface | RS‑422 (point‑to‑point) / RS‑485 (multipoint) |
| Transmission Speeds | 1 200 / 2 400 / 4 800 / 9 600 / 19 200 / 38 400 bps |
| Current Consumption | Approx. 0.5 A |
| External Dimensions | Width ≈ 32.8 mm × Height ≈ 142.9 mm × Depth ≈ 125.5 mm |
| Weight | Approx. 0.34 kg |
FAQ
Q1: What does the “‑SE1” suffix in ALR121‑SE1 indicate?
A1: “‑SE1” designates a specialized enhanced version of the ALR121 module, offering additional functionality or firmware improvements compared to standard variants.
Q2: Which communication protocols does this module support?
A2: It supports RS‑422 for point‑to‑point and RS‑485 for multipoint serial communication.
Q3: What baud rates can the ALR121‑SE1 operate at?
A3: Supported baud rates include 1 200, 2 400, 4 800, 9 600, 19 200, and 38 400 bps.
Q4: What are the module’s dimensions and weight?
A4: The module measures approximately 32.8 mm width, 142.9 mm height, 125.5 mm depth, and weighs about 0.34 kg.
Q5: How much current does the module consume?
A5: The module draws roughly 0.5 A during normal operation.
Q6: Can ALR121‑SE1 be used in redundant communication configurations?
A6: Yes, it can be installed in dual modules to enable fault-tolerant, redundant communication setups.
Q7: What systems is this module designed for?
A7: It is designed for field control systems and safety control stations requiring reliable serial communication with subsystems such as FA‑M3 or Modbus devices.
Q8: Where can installation and wiring instructions be found?
A8: Detailed installation, wiring, and configuration guidance is provided in the ALR121 series hardware specification and installation manual.
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