Yokogawa ALR111-S01 Product Documentation

Product Overview

The Yokogawa ALR111-S01 is a highly reliable alarm relay unit designed for industrial automation and process control applications. It provides a robust solution for monitoring and signaling abnormal conditions in critical systems. The unit is known for its durability, precision, and ease of integration with existing control systems.

The ALR111-S01 is part of Yokogawa’s extensive lineup of alarm and monitoring devices, offering high performance in harsh industrial environments. Its compact design and advanced functionality make it suitable for a wide range of applications, including oil & gas, chemical plants, power generation, and water treatment facilities.

Product Advantages

1. High Reliability – Engineered for continuous operation in demanding industrial environments.

2. Compact Design – Space-saving form factor for easy installation in control panels.

3. Easy Configuration – Simple setup and adjustment for various alarm conditions.

4. Wide Voltage Range – Compatible with multiple input voltage levels for flexible integration.

5. Durable Construction – Built to withstand vibrations, temperature fluctuations, and electrical noise.

6. Clear Indication – LED indicators for quick visual confirmation of alarm status.

Technical Specifications

Applications

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

• Power Plants – Fault detection in electrical systems.

• Water & Wastewater – Level and pump control alarms.

• Manufacturing – Equipment failure alerts.

• Oil & Gas – Safety shutdown systems.

Compatible & Recommended Models

The ALR111-S01 can be used alongside the following Yokogawa products for enhanced functionality:

1. Yokogawa AMM12A – Analog monitor for process signals.

2. Yokogawa AMM42A – Multi-channel alarm monitor.

3. Yokogawa ARR11A – Redundant alarm relay unit.

4. Yokogawa AIP11A – Isolator panel for signal conditioning.

5. Yokogawa AWR11A – Wireless alarm relay module.

6. Yokogawa AGS11A – Signal converter for analog inputs.

Recommended Yokogawa Popular Models

Installation Instructions

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

2. Wiring – Connect the input voltage (24V DC) and relay outputs as per the terminal diagram.

3. Configuration – Set the alarm thresholds using the onboard switches (if applicable).

4. Testing – Verify operation by simulating alarm conditions.

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

FAQ (Frequently Asked Questions)

Q1: What is the maximum load current for the ALR111-S01 relay contacts?
A1: The relay contacts support up to 5A at 250V AC or 30V DC.

Q2: Can the ALR111-S01 be used in high-vibration environments?
A2: Yes, it is designed to withstand industrial vibrations and shocks.

Q3: Is the unit compatible with both DIN rail and panel mounting?
A3: Yes, it supports both mounting methods for flexible installation.

Q4: What certifications does the ALR111-S01 have?
A4: It is certified under CE, UL, and CSA standards.

Q5: Can the relay be used for both AC and DC loads?
A5: Yes, it is rated for both AC and DC switching applications.

Q6: What is the expected lifespan of the relay contacts?
A6: The relay contacts have a mechanical lifespan of over 1,000,000 operations.