Yokogawa AAI543-H50 S1 DCS Analog Output Module

• Brand
  Yokogawa
• Model
  AAI543‑H50 S1
• Product Name
  Analog Output Module
• Place of Origin
  Japan
• HS Code
  8537.10.90
• Dimensions
  107.5 mm × 32.8 mm × 130 mm
• Weight
  0.4 kg
• Operating Temperature
  −10 °C to +60 °C
• Storage Temperature
  −20 °C to +70 °C
• Power Supply
  5 V DC max 230 mA, 24 V DC max 540 mA
• Warranty
  12month
• Product Status
  New and original

Yokogawa AAI543-H50 S1 Input, Output, Voltage and Current Parameters

Input Parameters

This module features 16 fully galvanically isolated input channels with independent channel-to-channel isolation design, which effectively eliminates signal crosstalk and external electromagnetic interference. It supports superimposed HART7 digital signal input on standard 4-20mA DC current loops, enabling real-time acquisition of field smart device information including process variables, device tags, operating status and diagnostic data. It supports bidirectional HART communication interaction to realize remote device monitoring and fault diagnosis, adapting to various complex industrial field working conditions.

Output Parameters

Equipped with 16-channel isolated standard 4-20mA DC analog current output, with a high output accuracy of ±0.1% FS and excellent linearity, ensuring stable and drift-free signal transmission for a long time. It can accurately drive field execution equipment such as control valves, valve positioners and secondary display instruments. Serving as a HART7 master station, it supports HART digital signal output, which can remotely issue parameter configuration, calibration and debugging commands to field smart instruments. The module adopts pure current output design without physical voltage output ports, fully compliant with industrial standard analog control loop specifications.

Voltage Parameters

System supply voltage: 5VDC backplane power supply for internal module operation. Isolation withstand voltage: 1500V AC for 1 minute between field side and system side, providing reliable electrical isolation and safety protection. The loop compliance voltage is adaptively adjusted according to field load resistance, and the 4-20mA analog loop supports a maximum load resistance of 750Ω, which is suitable for long-distance cable wiring and multi-device series connection, and guarantees stable superposition and transmission of analog current signals and HART7 digital signals.

Current Parameters

Standard analog output signal: 4-20mA DC per channel with full galvanic isolation. Open-circuit detection threshold: less than 0.65mA, capable of accurately identifying loop open circuit, line damage and field equipment faults. Module power consumption current: maximum 230mA under 5VDC power supply, maximum 540mA under 24VDC power supply, with low power consumption and stable operating performance. The module features strong anti-interference capability, no signal attenuation in long-term operation, and meets high-precision industrial control application requirements.

Yokogawa AAI543-H50 S1 Functions：

Provides 16-channel galvanically-isolated 4-20 mA DC analog current outputs for driving field-site control valves, valve positioners and other process actuators. Supports 1:1 module redundancy to achieve bumpless transfer during module failure. Hot-swap capability allows online module replacement without system outage. Integrated HART7 master function superimposes digital HART signals onto 4-20 mA current loops, supporting remote parameter setup, on-site device calibration and diagnostic information retrieval for HART-compliant field instruments. Implements comprehensive channel-oriented diagnostics covering open-circuit detection, short-circuit identification and load anomaly monitoring, and transmits all fault alarm information to the CENTUM VP FCS controller. Independent channel-to-channel galvanic isolation effectively suppresses signal crosstalk and ground-loop interference. Accommodates loop load resistance up to 750Ω. Converts digital control orders from DCS system into industry-standard analog current signals for field loop actuation. Enables channel parameter adjustment and range scaling via engineering software. Realizes data interaction with FCS controller through FIO back-plane digital bus.