Yokogawa ALR111-S00 Product Documentation

Product Introduction

The Yokogawa ALR111-S00 is a high-performance alarm relay unit designed for industrial automation and process control applications. It provides reliable alarm monitoring and relay output functions, ensuring safe and efficient operation in critical environments. The unit is built to withstand harsh industrial conditions, offering durability and precision.

The ALR111-S00 is part of Yokogawa’s extensive lineup of control and measurement devices, known for their accuracy and robustness. It is commonly used in industries such as oil and gas, chemical, power generation, and water treatment.

Product Advantages

1. High Reliability – Designed for continuous operation in demanding environments.

2. Easy Integration – Compatible with various Yokogawa control systems and third-party devices.

3. Compact Design – Saves space in control panels and cabinets.

4. Durable Construction – Built to resist vibration, dust, and temperature fluctuations.

5. Flexible Configuration – Supports multiple alarm settings and relay outputs.

6. Low Maintenance – Long operational lifespan with minimal servicing requirements.

Technical Specifications

Applications

• Process Industries – Monitoring pressure, temperature, and flow alarms.

• Power Plants – Safety shutdown systems and fault detection.

• Water & Wastewater – Level control and pump failure alarms.

• Oil & Gas – Pipeline monitoring and emergency shutdown (ESD) systems.

• Manufacturing – Equipment failure alerts and automated control.

Compatible Models

The ALR111-S00 can be used alongside the following Yokogawa products:

• Yokogawa DPharp EJX Pressure Transmitters

• Yokogawa UTAdvanced Ultrasonic Flow Meters

• Yokogawa CENTUM VP DCS

• Yokogawa ProSafe-RS Safety Instrumented Systems

• Yokogawa WT3000 Precision Power Analyzers

Installation Instructions

1. Mounting – Secure the unit on a DIN rail or panel using the provided brackets.

2. Wiring – Connect power supply and relay outputs as per the terminal diagram.

3. Configuration – Set alarm thresholds using dip switches or software (if applicable).

4. Testing – Verify relay operation by simulating alarm conditions.

5. Final Check – Ensure all connections are tight and free from short circuits.

Recommended Related Models (Same Series)

Popular Yokogawa Models (Other Series)

FAQ (Frequently Asked Questions)

Q1: What is the maximum load current for the ALR111-S00 relay contacts?
A1: The relay contacts support up to 5 A at 250 VAC or 30 VDC.

Q2: Can the ALR111-S00 operate on both AC and DC power?
A2: The standard model supports 24 VDC, but an optional version is available for 100-240 VAC.

Q3: Is the ALR111-S00 suitable for outdoor use?
A3: No, it has an IP20 rating and should be installed in a protected enclosure.

Q4: How many alarm points can the ALR111-S00 monitor?
A4: It supports two independent alarm circuits with SPDT relay outputs.

Q5: What is the expected lifespan of the relays?
A5: The relays are rated for at least 100,000 operations under standard conditions.

Q6: Can the ALR111-S00 be integrated with Yokogawa’s CENTUM VP system?
A6: Yes, it can be connected via relay signals or communication modules.