ABB SAFT181INF Power Interface Module – Intelligent Signal and Power Distribution Unit

Overview / Introduction

The ABB SAFT181INF is an intelligent power interface module designed to support ABB’s Symphony Plus and Advant Control Systems. It serves as a crucial component for signal interfacing, voltage isolation, and power distribution within DCS and PLC architectures.

This module ensures stable signal communication between the field and the controller while maintaining electrical isolation to protect sensitive automation circuits. Engineered for durability and precision, the SAFT181INF is commonly deployed in power generation, oil & gas refining, chemical processing, and heavy manufacturing environments, where reliability is non-negotiable.

Technical Specifications

Typical Applications

• Power Plant DCS Systems: Distributes control power to local I/O and interfaces.

• Oil & Gas Installations: Connects instrumentation to process controllers with noise immunity.

• Water & Wastewater Automation: Provides reliable signal coupling for SCADA components.

• Chemical and Pharmaceutical Facilities: Ensures isolated, interference-free analog/digital interfacing.

• Manufacturing Automation: Powers control loops and protects PLC input channels from transients.

• Marine and Offshore: Operates in vibration-prone, high-moisture environments safely.

Distinct Advantages

• Stable Signal Conversion: Provides accurate transmission with minimal noise distortion.

• Superior Electrical Protection: Safeguards system from overloads and transient voltages.

• Compact Industrial Design: Saves cabinet space and reduces wiring complexity.

• Flexible Mounting: Adaptable to various ABB rack and rail systems.

• High Isolation Integrity: Minimizes risk of ground loops and signal interference.

• LED Diagnostics: Enables fast status checks and fault localization.

• Low Power Consumption: Optimized efficiency for energy-sensitive installations.

• Long Service Life: Designed for continuous operation in industrial-grade environments.

• Seamless Integration: Fully compatible with ABB’s Symphony Plus and Advant families.

• Certified Reliability: Globally approved for demanding automation applications.

Technical FAQs

1. Q: What type of module is the SAFT181INF?
   A: It’s a power interface module designed for ABB DCS signal and power coupling.

2. Q: What is the standard operating voltage?
   A: The module operates on 24 VDC nominal input.

3. Q: Does it provide signal isolation?
   A: Yes, it offers 1500 VDC channel-to-bus isolation.

4. Q: How many channels does it support?
   A: It provides 8 configurable input/output channels.

5. Q: What protections are included?
   A: It includes overcurrent, surge, and reverse polarity protection.

6. Q: Is this module fan-cooled?
   A: No, it uses natural convection for cooling.

7. Q: Can it be used in redundant systems?
   A: Yes, it supports redundancy and fault-tolerant configurations.

8. Q: What kind of environments can it operate in?
   A: Industrial environments from 0°C to +55°C, up to 95% humidity.

9. Q: What is the module’s physical weight?
   A: Approximately 0.68 kg (1.50 lb).

10. Q: Which ABB platforms support the SAFT181INF?
    A: It integrates seamlessly with ABB Symphony Plus and Advant DCS systems.

Recommended Related Models

Popular ABB Models

Excellent PLC Co., Ltd. has a large number of brand new and original PLC and DCS spare parts, with more than 60 cooperative countries. All products are guaranteed for 1 year and delivered to you by high-quality express. We are committed to using the best products and the most favorable prices to meet the needs and friendship of our customers. We have won the trust of thousands of customers, including these excellent customers.

As for the delivery time, when we receive your order requirements, we will arrange for warehouse personnel to test and verify the products. After you place the order, we will send it to you within 24 hours.