Yokogawa AAI143-H50/A4S00 Analog Input Module Brand new in Stock

Model AAI143 Analog Input Module (4 to 20 mA, 16-channel, Isolated)

• Suffix Codes:
  • -S: Standard type
  • -H: With digital communication (HART protocol)
  • -5: With no explosion protection
  • -E: With explosion protection
  • -0: Basic type
  • -3: With ISA Standard G3 option and temperature (-20 to 70 °C) option

Current Input Modules (Isolated)

• Provides 16 inputs of 4 to 20 mA signal.
• Can be used in dual-redundant configuration.

Specifications:

• Model: AAI143
• Number of input channels: 16, isolated
• Input signal: 4 to 20 mA
• Allowable input current: 24 mA
• Withstanding voltage: Between input and system: 1500 V AC, for 1 minute
• Input resistance:
  • Power ON: 270 Ω (20 mA) to 350 Ω (4 mA)
  • Power OFF: 500 kΩ or larger
• Accuracy: ±16 µA
• Data update period: 10 ms
• Transmitter power supply:
  • 19.0 V or higher (at 20 mA)
  • 25.5 V or less (at 0 mA) (output current limit: 25 mA)
• Setting of 2-wire or 4-wire transmitter: For each channel by setting pin
• Drift due to ambient temperature change: ±16 µA/10 ˚C
• Maximum current consumption: 230 mA (5 V DC), 540 mA (24 V DC)
• Weight: 0.3 kg
• External communication: Pressure clamp terminal, MIL connector cable, dedicated cable (KS1)
• HART communication: Available

Notes:

• A Zener barrier is not allowed to be connected with this module. Use an isolation barrier when the module is used in intrinsically safe applications.
• The module input resistance viewed from the terminals depends on the current strength as calculated.
• When this module is installed to an ER bus node unit with HART function, the EB401 firmware must be rev. 2 or later.
• When the dedicated cable is used, the withstanding voltage is 500 V AC (between the input signal and the system). When the MIL connector cable is used, the withstanding voltage depends on the electrical specifications of the cable.
• This voltage is generated between the connecting terminals for 2-wire transmitters for this module. When calculating the minimum operating voltage for transmitters, consider allowing margins for voltage drop in external wiring.

For more information, please read or download the Yokogawa AAI143-H50/A4S00 PDF online：AAI141 General Specifications Analog IO Modules (for FIO)

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