Phoenix Contact RAD-AI4-IFS | 4-Channel 0/4-20mA Analog Input Module
Phoenix Contact RAD-AI4-IFS I/O extension module. 4 analog current inputs (0/4-20mA), 16-bit resolution, 24V DC supply, IP20, for Radioline wireless systems.
Product Overview
The Phoenix Contact RAD-AI4-IFS is an I/O extension module designed for use with the Radioline wireless system and other IFS masters. It provides four isolated analog current inputs configurable for 0-20 mA or 4-20 mA signals via DIP switches. With 16-bit resolution and a wide operating temperature range, it is built for robust industrial signal acquisition in process control and remote monitoring applications.
Technical Specifications (Electrical & I/O)
| Parameter | Specification |
| Model | RAD-AI4-IFS |
| Article Number | 2901537 |
| Input Channels | 4 (Analog Current) |
| Input Signal | 0 ... 20 mA or 4 ... 20 mA (DIP selectable) |
| Max. Input Current | 22 mA |
| Input Resistance | < 70 Ω |
| Resolution | 16 Bit |
| Accuracy | ≤ 0.02 % (at 25 °C) |
| Supply Voltage | 19.2 ... 30.5 V DC (via TBUS) |
| Power Consumption | ≤ 120 mA (at 24 V DC) |
Technical Specifications (Mechanical & Environmental)
| Parameter | Specification |
| Mounting | DIN Rail (NS35) |
| Dimensions (WxHxD) | 17.5 x 113 x 114.5 mm |
| Protection Rating | IP20 |
| Operating Temperature | -40 ... +70 °C (>55°C derating) |
| Storage Temperature | -40 ... +85 °C |
| Isolation | Channel-to-channel, 1.5 kV AC |
| Certifications | CE, ATEX, IECEx (Zone 2) |
Key Features
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High-Density Analog Input: Four channels in a compact 17.5mm width for space-efficient cabinet design.
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Tool-Free Addressing: Integrated thumbwheel for easy node ID setting without software.
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Industrial Ruggedness: Operates in extreme temperatures (-40°C to +70°C) and offers surge protection.
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Hot-Swap Capable: Supports module replacement during operation via TBUS DIN rail connector.
Applications
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Remote Process Monitoring: Connecting 4-20 mA transmitters (pressure, temperature, level) in wireless I/O networks.
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Machine Automation: High-precision analog signal acquisition for PLC or wireless control systems.
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Harsh Environments: Suitable for Zone 2 hazardous areas and wide temperature applications.
About ACH
Founded in 2012, ACH is a top-tier distributor of industrial automation products, supplying genuine devices from leading brands like ABB, P+F, E&H, AB, MTL to emerging markets worldwide. Our mission is to provide 100% Genuine products at the most competitive prices, helping customers reduce costs and strengthen their market position.
Frequently Ask & Questions
Are preferential prices available?
Long-term brand partners can get competitive product prices. At the same time, ACH controls the profit per order to 5%, providing the most competitive prices.
Are the Products Genuine OEM Units?
Yes, all products from ACH are certified genuine OEM units. We acquire our inventory through official OEM channels and trusted third-party suppliers, ensuring every item is authentic and reliable.
How will you arrange shipment?
We'll handle the shipping for you. Through our partnerships, we can secure competitive rates with major carriers like FedEx, DHL, TNT, and UPS, ensuring a smooth and cost-effective delivery.
What is the warranty of goods?
One-year Warranty.
How long is the logistics cycle of the product?
Products are divided into spot and futures, and the delivery period of different brands of products is also different. For details, please contact the ACH business manager.
