S20-AI-4-U

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The S20-AI-4-U is an analog input module manufactured by Bosch Rexroth Indramat. Part of the S20 IndraControl Modules, it features 4 configurable channels with a 16-bit input resolution. The module uses a delta-sigma converter and operates on a 24V DC power supply. It mounts on a DIN rail.

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Product Description:

The S20-AI-4-U is a compact, high-resolution analog input module ideally suited for precise measurement of signals in the modern industrial environment. With four analog input channels, it employs a delta-sigma converter to offer high-resolution, low-noise signal processing, making it ideally suited for high-resolution analog data acquisition applications.

The method of conversion offers channel stability and consistent operation even under dynamic operating conditions. This module offers an input impedance of approximately 100 kΩ. It is used for voltage inputs and approximately 100 Ω for current inputs. It does not cause any distortion or significant signal loading. It offers high electrical isolation with both channel-to-bus and channel-to-channel isolation. This prevents ground loops, electrical interference, and signal crosstalk. The isolation gives overall system integrity. It ensures changes or faults in one channel do not impact the operation of others. Further, this module consumes a maximum of 2 W power. It offers efficient operation while still offering full functionality to all inputs. Its energy-saving design makes it ideally suited for energy-saving systems or systems with constrained power budgets. The S20-AI-4-U can easily be integrated in distributed I/O architectures. It is particularly useful in Phoenix Contact's S20 automation system. It facilitates flexible extension and configuration of systems. Its compact size allows it to be installed in control panels with constrained space, without compromising reliability and functionality. The module is ideally suited for industrial monitoring, process control, and energy management systems with precise and isolated analog input capability.

Whether it is monitoring low-voltage signals, reading sensor feedback, or acquiring analog process data, the S20-AI-4-U offers reliable, high-quality input performance. It is a functional and dependable solution for engineers and technicians looking for stable, isolated, and precise analog input processing in demanding and dynamic industrial applications.

Conversion Type
Delta-sigma (??) converter
Dimensions
12 mm x 120 mm x 64 mm (W x H x D)
Input Impedance (current)
Approx. 100 ?
Input Impedance (voltage)
Approx. 100 k?
Input Resolution
16 bit
Input Signal Range
0-10V, 4-20 mA (software configurable, per channel)
Input Type
Analog Input (AI)
Isolation
Channel-to-bus and channel-to-channel isolation
Mounting Type
DIN Rail
Number Of Channels
4
Operating Temperature Range
-25°C to +60°C
Power Consumption
Max. 2 W
Power Supply Voltage
24 V DC (range 19.2-30 V DC)

Frequently Asked Questions about S20-AI-4-U:

Q: What is the input type of S20-AI-4-U?

A: S20-AI-4-U supports analog inputs (AI).

Q: How many channels does S20-AI-4-U have?

A: S20-AI-4-U features 4 input channels.

Q: What is the resolution of S20-AI-4-U?

A: S20-AI-4-U provides 16-bit resolution.

Q: What is the mounting type of S20-AI-4-U?

A: S20-AI-4-U mounts on a DIN rail.

Q: What power supply does S20-AI-4-U require?

A: S20-AI-4-U operates on 24 V DC power.


Internal Product Review

  • ‘‘The S20-AI-4-U processes voltage and current signals cleanly. The resolution remains sharp. The module operates quietly. The configuration is flexible per channel. The S20-AI-4-U adapts well to control systems.’’

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