Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| sales@plc-automations.com | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
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Brand: Yokogawa Electric Corporation
Series: AAI841 Analog I/O Module Series
The AAI841-H00/K4A00 is an analog input/output module designed for use in distributed control systems (DCS) and programmable logic controllers (PLC). It features 8 channels each for analog input and output, supporting 4–20 mA current input and output signals. The module utilizes the K4A00 terminal block interface, facilitating easy installation and wiring.
| Parameter | Specification |
|---|---|
| Model | AAI841-H00/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 |
| Output Impedance | 250 Ω |
| Isolation | Channel-to-channel and channel-to-ground |
| Mounting | DIN rail or I/O baseplate |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -20°C to +70°C |
| Relative Humidity | 5% to 95% non-condensing |
| Dimensions (W x D x H) | 107.5 mm × 32.8 mm × 130 mm |
| Weight | 0.3 kg |
Chemical and Petrochemical Processing: Monitoring and controlling process variables such as flow, pressure, and temperature.
Power Generation and Utilities: Integration into control systems for power plants and substations.
Oil and Gas Industry: Real-time data acquisition for upstream and downstream operations.
Pharmaceutical Manufacturing: Ensuring precise control of manufacturing processes.
Food and Beverage Processing: Maintaining quality control in production lines.
Water and Wastewater Treatment: Monitoring water quality parameters and treatment processes.
Pulp and Paper Industry: Managing process variables in paper production.
Metals and Mining Automation: Control of processes in metal extraction and processing.
High Accuracy: ±0.1% of span for both input and output signals ensures precise data handling.
Flexible Signal Handling: Supports 4–20 mA DC signals, compatible with a wide range of field devices.
Easy Installation: K4A00 terminal block interface simplifies wiring and maintenance.
Compact Design: Space-saving dimensions suitable for installations with limited space.
Robust Performance: Designed to operate reliably in industrial environments with varying temperatures.
| Model | Input Channels | Output Channels | Signal Type | HART Communication | Terminal Block Interface |
|---|---|---|---|---|---|
| AAI841-H50/K4A00 | 8 | 8 | 4–20 mA | Yes | K4A00 |
| AAI841-S50/K4A00 | 8 | 8 | 4–20 mA | No | K4A00 |
| AAI841-H53/K4A00 | 8 | 8 | 4–20 mA | Yes | K4A00 |
| AAI841-S53/K4A00 | 8 | 8 | 4–20 mA | No | K4A00 |
| AAI841-H00/A4S00 | 8 | 8 | 4–20 mA | Yes | A4S00 |
| Model | Type | Channels | Signal Type | HART Communication | Mounting Type |
|---|---|---|---|---|---|
| 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 |
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.