Description
Product Overview
Part Number: AAI543-H50 Manufacturer: Yokogawa (Yokogawa Electric, Japan) Product Series: CENTUM VP DCS, FIO Field I/O Module Type: Analog Output Module (AO) AAI543-H50 is a 16-channel isolated analog output module for Yokogawa CENTUM VP FIO nodes. It converts digital control signals from FCS controller into 4~20mA analog output to drive field control valves, positioners and other final control elements. Integrated HART digital communication function, supporting parameter configuration and diagnostics for HART smart valve positioners. It communicates with the controller via ESB bus, widely used in petrochemical, power, oil & gas and chemical process plants. This module supports hot swap and dual-redundant installation.
Technical Specifications
| Item | Parameter |
|---|---|
| Part Number | AAI543-H50 |
| Module Type | Analog Output Module |
| Applicable System | Yokogawa CENTUM VP FIO node |
| Number of Channels | 16 channels |
| Output Signal | 4~20mA DC, HART compatible |
| Allowable Load Resistance | 0 ~ 750Ω |
| Isolation | Channel-group isolation, 1500V AC withstand |
| Accuracy | ±0.05% FS |
| Data Update Period | 10ms |
| Redundancy | Dual redundant support, standard switch-over |
| Hot Swap | Yes, online replacement |
| Power Consumption | 230mA @5VDC; 540mA @24VDC |
| Operating Temperature | 0°C ~ +50°C |
| Storage Temperature | -20°C ~ +70°C |
| Humidity | 5~95% RH, non-condensing |
| Weight | Approx 400g |
Engineer Notes
- AAI543-H50 belongs to FIO series I/O module for CENTUM VP, not compatible with old CS3000 system.
- Built-in HART protocol, can configure and diagnose HART smart valve positioners directly without extra HART multiplexer.
- Supports dual redundant pair configuration. Automatic switchover upon module fault without interrupting control output.
- Hot-swap function allows module removal and replacement while DCS online, no system shutdown required.
- Match with Yokogawa ATA4S / ATA4D terminal boards for field wiring; shielded twisted-pair cable recommended for 4-20mA output.
- Supports circuit-open detection to alarm broken field output cables.
- Check module LED indicators for power, communication and channel fault status during commissioning and routine maintenance.
Pre-Shipment Test Protocol
- Power-on self-test and LED status verification
- 4-20mA full range output accuracy calibration test
- HART communication function test with HART valve positioner simulator
- Redundancy switchover simulation test
- Open circuit fault detection verification
- Continuity and insulation resistance inspection
- Visual inspection of housing, connectors, label and marking
- Anti-static & shockproof packaging inspection
Buyer FAQ
Q: Is AAI543-H50 new original? A: We supply brand new original Yokogawa units, 12-month warranty, factory test certificate available on request.
Q: What does suffix H50 mean? A: H = HART enabled; 50 = standard non-ex-proof version with standard redundancy switch response.
Q: Can AAI543-H50 work in redundant configuration? A: Yes, two AAI543-H50 modules can be configured as dual redundant pair with ATA4D redundant terminal block.
Q: What is the difference between AAI143-H50 and AAI543-H50? A: AAI143-H50 is analog input module for reading field transmitter signals; AAI543-H50 is analog output module to send control signal to field valves.
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