Technical Specifications
| Parameter | Specification |
|---|---|
| Model | Yokogawa ALR111‑S01 |
| Type | Serial Communication Module (RS‑232C) |
| Interface | RS‑232C, two ports (D‑sub 9‑pin, female × 2) |
| Transmission Speed | 1 200 / 2 400 / 4 800 / 9 600 / 19 200 / 38 400 bps |
| Input Voltage | 24 V DC ±10% |
| Current Consumption | Approx. 0.5 A |
| External Dimensions | Width ≈ 45 mm × Height ≈ 97 mm × Depth ≈ 103 mm |
| Weight | Approx. 0.3 kg |
FAQ
Q1: What does the suffix “‑S01” in ALR111‑S01 signify?
A1: The “‑S01” suffix designates a specific revision and standard type of the serial communication module, indicating RS‑232C version with standard non‑explosion‑proof classification.
Q2: Which communication interface and how many ports does this module provide?
A2: It provides an RS‑232C interface with two ports (D‑sub 9‑pin female × 2) for point‑to‑point serial communication.
Q3: What transmission speeds are supported by this unit?
A3: It supports multiple baud rates: 1 200, 2 400, 4 800, 9 600, 19 200 and 38 400 bps.
Q4: What are the physical size and weight of this module?
A4: The module’s dimensions are approximately 45 mm width × 97 mm height × 103 mm depth, and it weighs about 0.3 kg.
Q5: What power supply voltage does the ALR111‑S01 require?
A5: It requires a 24 V DC supply with a tolerance of ±10%.
Q6: What is the approximate current consumption of this module?
A6: The current consumption is about 0.5 A during normal operation.
Q7: Can this module be used for industrial automation systems requiring serial communication?
A7: Yes — it is designed for integration with systems such as FCS/FCU platforms and supports Modbus or other serial protocols via RS‑232C.
Q8: Where should one look for detailed installation, wiring and protocol configuration instructions?
A8: Detailed instructions including installation, wiring, communication protocol usage and port configuration are provided in the manufacturer’s hardware specification documentation for the ALR111 series.
