Yokogawa ADV159 Digital Input Module

The Yokogawa ADV159 Digital Input Module is a high-reliability module designed for industrial automation systems, particularly within the Yokogawa CENTUM CS 3000 and CENTUM VP Distributed Control System (DCS) platforms. It is engineered to handle digital input signals from field devices such as switches, relays, and contact outputs. With 32 input channels, robust signal isolation, and wide compatibility, the ADV159 supports secure data acquisition from discrete sources in mission-critical industrial environments.

This module is commonly used in applications where accurate, real-time monitoring of binary input signals is essential—such as in power plants, oil and gas production, chemical processing, and water treatment facilities. Designed with both performance and longevity in mind, the ADV159 is trusted in installations requiring high input integrity, minimal maintenance, and long-term availability.

Product Specifications

Product Applications

The ADV159 Digital Input Module is widely utilized across a range of industries and automation systems, where real-time, reliable acquisition of digital signals is critical. Key applications include:

• Power Generation Plants – Monitoring of switchgear status, turbine control signals, and emergency stops.

• Oil & Gas Facilities – Captures input from limit switches, valve status feedback, and safety interlocks.

• Chemical Processing Plants – Receives control room signals such as motor run feedback, pump states, and level alarms.

• Water & Wastewater Treatment – Interfaces with flow switches, valve positions, and gate interlocks.

• Pharmaceutical Plants – Tracks batch process status, door interlocks, and cleanroom alarms.

• Food and Beverage Automation – Detects sensor activation, emergency stops, and equipment ready states.

Product Advantages

• High Channel Density – 32 input channels in a compact module minimize panel space and simplify wiring.

• Fast Response Time – Quick signal processing ensures real-time data capture for time-sensitive operations.

• Robust Isolation – Each input is isolated with photocouplers, preventing noise and electrical interference.

• Wide Signal Compatibility – Accepts standard 24 V DC signals and dry contact inputs for versatile field integration.

• Field-Proven Reliability – Designed for long service life under harsh industrial operating conditions.

• Ease of Integration – Fully compatible with Yokogawa’s CENTUM and ProSafe-RS systems.

• Certifications for Global Use – CE, FM, CSA, and ATEX certifications enable safe use in regulated and hazardous areas.

• Low Power Consumption – Energy-efficient design supports sustainable operations with minimal heat generation.

Frequently Asked Questions (FAQ)

1. What type of input does the ADV159 support?

   It supports 24 V DC signals and dry contact (voltage-free) inputs, commonly from switches and relays.

2. How many input channels does the module have?

   The ADV159 provides 32 independent digital input points.

3. Is the module compatible with CENTUM VP?

   Yes, the ADV159 is fully compatible with Yokogawa’s CENTUM CS 3000 and CENTUM VP systems.

4. Does each channel have electrical isolation?

   Yes, each input channel is optically isolated to prevent cross-talk and protect the system from surges.

5. Can I use the module in a hazardous environment?

   Yes, it carries ATEX, FM, CSA, and CE certifications, making it suitable for hazardous area installations.

6. What is the typical response time?

   The module responds within approximately 10 milliseconds per input signal.

7. Is external power required for the module?

   No external power is needed for the module itself; power is provided via the I/O baseplate.

8. What kind of maintenance is required?

   Very minimal. Occasional visual inspection and diagnostics via the system interface are usually sufficient.

9. Can the module detect short circuits or open inputs?

   While it doesn’t detect short circuits, diagnostic features in the control system can flag input failures.

10. What are typical field devices connected to this module?

    Field devices include limit switches, emergency stop buttons, relay contacts, and valve position indicators.