High-Density 16-Channel Relay Output for CENTUM Systems
The ADR541 relay output module provides 16 independent relay channels for Yokogawa CENTUM CS, CENTUM VP, and STARDOM distributed control systems . This module delivers reliable contact outputs for driving valves, pumps, actuators, and alarm systems in industrial automation environments. It also supports dual redundant configurations, significantly enhancing overall system reliability for mission-critical applications .
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Yokogawa |
| Model | ADR541 |
| Product Type | Relay Output Module |
| Number of Channels | 16 |
| Contact Type | Electromechanical relay (Form A/SPST) |
| Rated DC Voltage | 24 to 110 V DC |
| Rated AC Voltage | 100 to 240 V AC, 50/60 Hz |
| Max Current (Resistive, 24V DC) | 2.0 A per channel |
| Max Current (Resistive, 220V AC) | 2.0 A per channel |
| Response Time | ≤12 ms (status output) |
| Isolation Voltage | 2 kV AC (signal to system) |
| Current Consumption | Max. 780 mA (5 V DC) |
| Weight | 0.3 kg |
| External Connection | Pressure clamp terminal or dedicated cable (AKB334) |
| Relay Life | 100,000 operations |
| Operating Temperature | -10°C to +55°C |
| Storage Temperature | -20°C to +70°C |
| Safety Certification | CSA, Non-Incendive for hazardous locations |
Advanced Output Functions and Isolation
The ADR541 module includes advanced output capabilities beyond simple on/off switching. It features time-proportioning ON/OFF control, one-shot pulse output with adjustable pulse width from 40 ms to 7200 seconds, and dedicated status output for each channel . Furthermore, the module provides robust electrical isolation with a withstand voltage of 2 kV AC between output signals and the system, ensuring reliable operation in electrically noisy industrial environments .
Physical Characteristics and Installation
The ADR541 features a compact design that mounts directly into Yokogawa I/O racks. It uses pressure clamp terminals or a dedicated cable (AKB334) for secure field wiring connections . The module’s robust construction ensures reliable performance in demanding industrial environments. Users can easily install or replace the unit during standard maintenance procedures.
Application Scenarios
This relay output module is widely deployed across process industries requiring reliable discrete control. Typical applications include actuating solenoid valves for fluid control, driving motor starters, triggering safety interlocks, and controlling industrial alarm systems . The ADR541 is commonly found in oil and gas refineries, chemical plants, and power generation facilities where dependable relay switching is essential.
Details
| Weight | 0.7 kg |
|---|---|
| Dimensions | 2.5 × 20.3 × 15.2 mm |
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