Analog Output Module | Yokogawa AAI543-H03/K4A00
Manufacturer: Yokogawa
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Part Number: AAI543-H03/K4A00
Condition：New with Original Package
Product Type: Analog Input Modules
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Country of Origin: Japan
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Yokogawa AAI543-H03/K4A00 Analog Output Module
Configured for 16-channel isolated current signal execution in Yokogawa CENTUM DCS platforms, the Yokogawa AAI543-H03/K4A00 (AAI543 Analog Output Module) provides direct physical/electrical execution.
Suffix Breakdown & Model Matrix
| Code Element | Selection | Technical Definition |
|---|---|---|
| Model | AAI543 | Analog Output Module (4 to 20 mA, 16-Channel, Isolated) |
| Suffix -H | -H | Integrated HART digital communication overlay |
| Suffix 0 | 0 | Standard switch-over response in redundant configuration |
| Suffix 3 | 3 | ISA Standard G3 conformal coating with -20 to 70 deg C operating range |
| Option | /K4A00 | Includes ATK4A-00 KS Cable Interface Adapter for AEA4D terminal board connection |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | AAI543-H03/K4A00 |
| Brand | Yokogawa Electric Corporation |
| Origin | Japan |
| Weight | 0.4 kg |
| Dimensions | Standard Yokogawa FIO module form factor |
| Operating Temp | -20 to 70 deg C |
| Power Consumption | 230 mA at 5 VDC, 540 mA at 24 VDC |
| Output Signal Range | 4-20 mA DC |
| Allowable Load Resistance | 0 to 750 ohm |
| Channel Isolation | 16 channels isolated from system (1500 VAC withstand for 1 minute) |
| Conversion Accuracy | +/-48 uA over operating range |
| Data Update Period | 10 ms |
| Circuit-Open Detection | Triggered at loop current less than 0.65 mA |
DCS HART Loop & Channel Isolation Characteristics
The output module incorporates 16 galvanically isolated field circuits, each delivering 4-20 mA control currents to final control elements while protecting internal DCS system buses against transient surges up to 1500 VAC. Superimposed HART digital communication protocols pass bidirectionally through each output loop, allowing parameter pass-through and valve positioner diagnostics without disturbing the primary 10 ms analog data refresh cycle. Under redundant module configurations, dual unit hardware tracks control system commands to maintain seamless Bumpless transfer during standard switch-over events.
Frequently Asked Questions
Q: How does the /K4A00 option affect the physical wiring connections of the module?
A: The /K4A00 option equips the module with an ATK4A-00 adapter, converting the front connection to accept dedicated KS1 multicore cables routed directly to AEA4D terminal boards.
Q: What action occurs if a field wire breaks or a load loop opens on a channel?
A: Internal diagnostic circuitry monitors current flow and triggers an open-circuit fault when the loop current drops below 0.65 mA.
Field Installation Guidelines
Mount the module into designated I/O slots on the Yokogawa FIO node unit, ensuring the top and bottom retention latches engage firmly with the backplane structure. Secure the ATK4A-00 adapter to the front interface, and connect the dedicated KS1 cable to the AEA4D terminal board. Technicians must enforce a minimum bend radius of 50 mm along the cable route to prevent stress on internal conductors.
Ground all shield terminations strictly at the cabinet instrumentation grounding bar. Maintain ambient operating temperatures within -20 to 70 deg C, and ensure the ISA Standard G3 conformal coating remains intact to guarantee corrosion protection in harsh atmospheric environments.