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- Yokogawa
- AAI841-S50/K4A00
- Analog Input/Output (I/O) Module
- Japan
- 50 mm × 130 mm × 160 mm
- 0.6kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
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- 1-3 Working Days
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
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All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview: Yokogawa AAI841-S50/K4A00
Brand and Series
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Brand: Yokogawa Electric Corporation
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Series: AAI841 Analog Input/Output Module Series
Product Introduction
The Yokogawa AAI841-S50/K4A00 is a precision-engineered analog input/output module widely used in industrial automation and control systems. This device supports 8 input and 8 output channels, with a 4–20 mA current signal standard, providing reliable and accurate data acquisition and output control. It is designed to deliver stable performance in a range of environments, ensuring seamless integration with distributed control systems (DCS) and other industrial process control systems.
Its non-isolated design prioritizes cost efficiency while maintaining robust performance. The module’s K4A00 terminal interface simplifies wiring and maintenance, promoting ease of use in both new installations and retrofits.
Product Applications
The AAI841-S50/K4A00 is suitable for a variety of industries and applications, including:
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Chemical & Petrochemical Plants: Monitoring and controlling process variables like flow, temperature, and pressure.
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Power Generation Facilities: Supervising and controlling power plant processes with precise analog data handling.
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Oil & Gas Industry: Automation of upstream and downstream equipment control.
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Water & Wastewater Treatment: Control of filtration, pumping, and treatment processes.
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Food & Beverage Production: Ensuring consistent quality through precise process monitoring.
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Pharmaceutical Manufacturing: Maintaining strict environmental and process control standards.
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Metals & Mining: Automation of crushing, grinding, and refining processes.
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Pulp & Paper Industry: Control of paper manufacturing lines and chemical dosing systems.
Product Advantages
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High Accuracy: Maintains ±0.1% accuracy on input and output, ensuring reliable process data.
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Cost-Effective: Non-isolated module reduces costs without compromising essential functionality.
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Robust Design: Operates efficiently across wide temperature and humidity ranges.
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Simplified Wiring: Equipped with K4A00 terminal block for straightforward installation and maintenance.
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Compact Size: Saves valuable space in control cabinets.
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Wide Compatibility: Supports standard 4–20 mA analog signals, compatible with many sensors and actuators.
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Reliable Operation: Consistent performance reduces downtime and maintenance frequency.
Detailed Technical Parameters
| Parameter | Specification |
|---|---|
| Model | AAI841-S50/K4A00 |
| Input Channels | 8 |
| Output Channels | 8 |
| Input Signal Type | 4–20 mA DC |
| Output Signal Type | 4–20 mA DC |
| Input Accuracy | ±0.1% of span |
| Output Accuracy | ±0.1% of span |
| Input Impedance | 250 Ω (current input) |
| Output Impedance | 500 Ω (current output) |
| Isolation | Non-isolated |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5% to 95% (non-condensing) |
| Dimensions (W×D×H) | 50 mm × 130 mm × 160 mm |
| Weight | 0.6 kg |
| Power Supply | 24 V DC nominal |
| Power Consumption | 7 W |
| Update Rate | 100 ms (all channels) |
| Communication Protocol | No HART support |
| Mounting | DIN Rail or I/O base |
Recommended 5 Related or Same Series Models
| Model | Input Channels | Output Channels | HART Support | Terminal Interface |
|---|---|---|---|---|
| AAI841-S50/K4A00 | 8 | 8 | No | K4A00 |
| AAI841-H50/K4A00 | 8 | 8 | Yes | K4A00 |
| AAI841-S53/K4A00 | 8 | 8 | No | K4A00 |
| AAI841-H53/K4A00 | 8 | 8 | Yes | K4A00 |
| AAI841-H00/A4S00 | 8 | 8 | Yes | A4S00 |
Recommended 5 Popular Models from the Same Brand
| Model | Type | Channels | Signal Type | HART Support | Mounting |
|---|---|---|---|---|---|
| AAI543-H50/A4S00 | Analog Output | 16 | 4–20 mA | Yes | DIN Rail |
| AAI143-H50/K4A00 | Analog Input | 16 | 4–20 mA | Yes | DIN Rail |
| AAI141-H50/K4A00 | Analog Input | 8 | 4–20 mA | Yes | DIN Rail |
| AAI835-H00 | Analog Input | 32 | 4–20 mA | No | DIN Rail |
| AAI543-H00 | Analog Output | 16 | 4–20 mA | No | DIN Rail |
Frequently Asked Questions (FAQ)
Q1: What kind of signals does the AAI841-S50/K4A00 handle?
A1: It handles 4–20 mA DC analog signals for both input and output.
Q2: How many channels does this module have?
A2: The module features 8 analog input channels and 8 analog output channels.
Q3: Is the AAI841-S50/K4A00 isolated?
A3: No, this module is non-isolated.
Q4: Does it support HART communication?
A4: No, HART protocol is not supported on this model.
Q5: What are the physical dimensions and weight?
A5: The dimensions are 50 mm wide, 130 mm deep, 160 mm high, and it weighs approximately 0.6 kg.
Q6: What temperature range can it operate in?
A6: It can operate from -20°C up to +70°C.
Q7: What kind of power supply is required?
A7: A 24 V DC nominal power supply is needed.
Q8: How fast does the module update the signals?
A8: The update rate is approximately 100 milliseconds for all channels.
Q9: What mounting options are available?
A9: It can be mounted on a DIN rail or on a dedicated I/O base.
Q10: How does the K4A00 terminal interface benefit the user?
A10: The K4A00 terminal interface simplifies wiring, improving installation speed and ease of maintenance.
Authenticity guarantee
All product specifications are original and authentic imported products. We have an annual sales volume of 300 million yuan, and we only produce original and authentic products. All customers who cooperate with us directly online can enjoy low discounts.
Free warehouse
We have a complete range of product models, 80% of conventional models are in stock, and we have established channels in Asia, Africa, North America, South America, and Europe, effectively shortening the order processing time and satisfying customers in a timely manner.
Technical Team
Fast delivery. Spot goods can be shipped on the same day, and the delivery time transaction is 20% faster than that of peers on average, with a delivery time accuracy rate of 99%.
Thoughtful after-sales service
24-hour after-sales service guarantee team, professional and standardized management service system.