Product Perspective
The ABB SAFT 181 INF 58116076 Interface Board is a key communication and signal interface component used within industrial automation and drive systems. Designed to bridge field-level devices and control systems, this board ensures accurate signal transmission, stable communication, and efficient system coordination.
As part of ABB’s well-established control ecosystem, the SAFT 181 INF is engineered for reliability in mission-critical environments, offering consistent performance in both new installations and legacy system upgrades. Its compact design and robust electronics make it a practical solution for high-density control cabinets.
Technical Specifications
| Parameter | Specification |
|---|
| Model | SAFT 181 INF |
| Part Number | 58116076 |
| Module Type | Interface Board |
| Operating Voltage | 24V DC (±10%) |
| Power Consumption | ≤ 1.2 W |
| Communication Interface | RS-485, Modbus RTU |
| Protection Rating | IP20 |
| Operating Temperature | -20°C to +60°C |
| Dimensions (L × W × H) | 180 × 180 × 100 mm |
| Weight | Approx. 0.8 – 1.0 kg |
| Mounting | Panel / Rack Integration |
| Isolation | Up to 1500V AC (channel isolation) |
Where It Performs Best
This interface board is widely adopted in systems where reliable data exchange and signal conditioning are essential.
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Industrial drive systems and motor control centers
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Power generation and energy distribution facilities
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Process automation in chemical and petrochemical plants
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Steel, mining, and heavy manufacturing industries
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Retrofit projects for ABB legacy control systems
Why Engineers Choose This Model
The SAFT 181 INF stands out for its balance of durability, communication capability, and integration flexibility.
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Stable communication architecture ensures accurate data transfer between system layers
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High isolation protection minimizes interference and improves system safety
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Compact and rugged design fits easily into control cabinets with limited space
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Wide temperature tolerance supports continuous operation in demanding environments
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Multi-protocol support enhances compatibility with existing automation networks
Technical FAQs
1. What is the primary function of the SAFT 181 INF board?
It acts as an interface for signal transmission and communication between field devices and control systems.
2. Which communication protocols are supported?
It supports Modbus RTU and RS-485 communication.
3. What voltage does this module require?
It operates on 24V DC with a tolerance of ±10%.
4. Is this board suitable for legacy ABB systems?
Yes, it is commonly used in maintenance and upgrade projects.
5. What industries typically use this module?
Power, manufacturing, oil & gas, and heavy industry sectors.
6. How does it handle electrical noise?
It includes galvanic isolation to reduce interference and improve signal integrity.
7. What is the installation method?
It is typically installed in control cabinets via panel or rack mounting.
8. Can it operate in harsh environments?
Yes, it supports a wide operating temperature range from -20°C to +60°C.
9. What is the approximate weight of the module?
Between 0.8 kg and 1.0 kg depending on configuration
10. Is it still available for replacement purposes?
Yes, it is widely available in the industrial spare parts market with consistent supply.
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