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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 |