Product Short Description
Product Name: Yokogawa AAI543-H00 Analog Output Module (4–20 mA, 16-Channel, Isolated, HART-type basic version)
Product Overview: The AAI543-H00 is a 16-channel isolated 4–20 mA analog output module belonging to Yokogawa’s AAI543 series for CENTUM CS 3000 / CENTUM VP DCS FIO systems. The “-H” suffix indicates built-in HART digital communication capability, and “-00” denotes the basic type with no fast-switchover redundancy and no ISA G3 anti-corrosion option.
Description
Key Technical Specifications:
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Output Signal: 4 to 20 mA DC
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Number of Channels: 16, isolated (channel-to-system isolation 1500 V AC / 1 minute)
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Resolution: 12-bit; Output Accuracy: ±0.1% FS (typical ±48 µA)
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Load Resistance: 0 to 750 Ω
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Data Update Period: 10 ms per channel
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Open-wire Detection: Below 0.65 mA
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Temperature Drift: ±16 µA / 10 °C
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Power Consumption: 230 mA @ 5 V DC, 540 mA @ 24 V DC
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Operating Temperature: -20 °C to +70 °C (basic version 0 °C to +50 °C)
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Dimensions: 107.5 × 32.8 × 130 mm; Weight: approx. 0.4 kg
Features:
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Full channel-to-system electrical isolation eliminates ground-loop interference
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Built-in HART protocol enables bidirectional communication with smart valves and instruments for parameter reading, fault diagnosis, and loop calibration
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Supports hot-swappable replacement without interrupting other channels
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Native support for 1:1 redundant configuration (fast switch-over requires higher suffix variants such as H50/H60)
Applications: Used in petrochemical, power generation, and process industries where 4–20 mA signals drive control valves, valve positioners, and actuators, especially where HART-enabled device diagnostics are required.
Installation & Usage Notes: Mount in FIO racks; pair with appropriate terminal board (e.g., ATA4S series). Ensure correct cable connection via crimp terminals, MIL connector, or KS1 dedicated cable. Verify load resistance does not exceed 750 Ω per channel.
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