Overview
The ALR121-SE1 serial communication module enables reliable data exchange within Yokogawa CENTUM control system architectures.
It connects external devices and subsystems through standardized serial communication interfaces for industrial automation applications.
Moreover, Yokogawa designs this module for stable operation in complex process control environments.
Therefore, engineers can integrate diverse equipment while maintaining consistent communication performance.
Specification
| Parameter | Specification |
|---|---|
| Model | ALR121-SE1 |
| Manufacturer | Yokogawa |
| Product Type | Serial Communication Module |
| System Compatibility | Yokogawa CENTUM CS / CENTUM VP |
| Communication Interface | Serial (RS-232 / RS-422 / RS-485 configurable) |
| Number of Ports | Dual serial communication ports |
| Protocol Support | Modbus, proprietary Yokogawa protocols, and custom serial protocols |
| Data Transmission | Full-duplex and half-duplex communication |
| Data Rate | Configurable baud rates for industrial applications |
| Signal Processing | Error detection and data buffering |
| Isolation | Electrical isolation between communication channels |
| Power Supply | Supplied via system backplane |
| Power Consumption | Low power design for continuous operation |
| Mounting Type | Rack-mounted module |
| Dimensions | Approx. 130 × 30 × 120 mm |
| Weight | Approx. 0.4 – 0.6 kg |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -20°C to 70°C |
| Relative Humidity | 5% to 95% non-condensing |
| Vibration Resistance | 1 mm peak-to-peak (5–16 Hz), 0.5 g (16–150 Hz) |
| Shock Resistance | 10 g half-sine wave for 11 ms |
| EMC Compliance | Industrial electromagnetic compatibility standard |
| Environmental Rating | ISA-S71.04 Class G3 |
| Cooling Method | Passive cooling without fan |
FAQ
A1: Yes, we supply 100% new original ALR121-SE1 modules with guaranteed quality and performance.
Q2: Do you have ALR121-SE1 in stock?
A2: Yes, we keep stock for ALR121-SE1, and availability depends on current inventory levels.
Q3: How long does delivery take?
A3: We ship within 3 days to 2 weeks depending on order size and preparation requirements.
Q4: Which shipping methods do you use?
A4: We use DHL and other major logistics providers for fast and reliable delivery.
Q5: What if there is a quality issue?
A5: We support returns within 30 days if any quality issue occurs after delivery.
Q6: What devices can ALR121-SE1 connect to?
A6: The ALR121-SE1 connects PLCs, DCS systems, and various serial communication field devices.
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