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Product Description
Overview
The AAI543-H50/K4A00 is a high-precision analog output module from Yokogawa, designed for process control systems requiring accurate 4-20 mA output signals. With 16 isolated output channels, the module ensures reliable signal transmission and supports standard switch-over response in redundant configurations. The integrated HART digital communication provides remote configuration, diagnostics, and monitoring capabilities.
Key Features
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Model: AAI543-H50/K4A00
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16 isolated output channels
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Output signal range: 4-20 mA
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Standard switch-over response for redundant operation
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HART protocol digital communication
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Compatible with KS Cable Interface Adapter (for AEA4D terminal board, Model ATK4A-00)
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Basic type, no explosion protection
Technical Specifications
| Parameter |
Specification |
| Output Channels |
16, isolated |
| Output Signal |
4-20 mA |
| Withstanding Voltage |
1500 V AC between output and system for 1 minute |
| Allowable Load Resistance |
0 to 750 Ohm |
| Circuit-Open Detection |
Less than 0.65 mA |
| Accuracy |
±48 uA |
| Data Update Period |
10 ms |
| Temperature Drift |
±16 uA per 10 Celsius |
| Maximum Current Consumption |
230 mA at 5 V DC, 540 mA at 24 V DC |
| External Communication |
Pressure clamp terminal, MIL connector, dedicated KS1 cable |
| Operating Temperature Range |
-20 to 60 Celsius |
| Weight |
0.4 kg |
| Mounting |
KS Cable Interface Adapter compatible |
Applications
Ideal for distributed control systems, process automation, and SCADA integration. Common industries include chemical, oil and gas, water treatment, and power plants. The module is particularly suited for redundant configurations where high reliability is required.
FAQ
Q: Is this module suitable for explosive environments?
A: The AAI543-H50/K4A00 is not rated for explosion protection; select a certified model if necessary.
Q: Can all channels communicate using HART?
A: Yes, all 16 channels support HART for remote configuration and diagnostics.
Q: What interface is required to connect the terminal board?
A: The module uses a KS Cable Interface Adapter compatible with the AEA4D terminal board (Model ATK4A-00).
Similar Models Comparison
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AAI543-H30: Non-HART version, same channel count and output range.
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AAI543-H60: HART version with enhanced redundancy and optional explosion protection.
