SAI143-H63 S4 | YOKOGAWA Analog Input Module

GENERAL

The SAI143-H63 S4 is an analog input module designed for use with the safety node and safety control units. It inputs 4 to 20 mA signals from the field and can be configured for dual redundancy.

STANDARD SPECIFICATIONS

• Model: SAI143
• Number of Input Channels: 16 channels, module isolation
• Rated Input Range: 4 to 20 mA
• Permissible Input Range: 0 to 25 mA
• Input Impedance (Power-ON): 250 Ω + Current value
• Input Impedance (Power-OFF): 500 kΩ minimum
• Rated Accuracy:
  • SAI143-S: ±16 µA (Input range 1 to 23 mA)
  • SAI143-H: ±16 µA (Input range 0.05 to 23 mA)
• Data Update Frequency: 40 ms
• Temperature Drift: ±16 µA/10 °C
• Transmitter Power Supply:
  • Minimum: 16.15 V (at 20 mA)
  • Maximum: 26.4 V (at 0 mA)
• Withstand Voltage: 1.5 kV AC for 1 minute between input signal and system
• Maximum Current Consumption:
  • 5 V system: 320 mA
  • 24 V system: 550 mA
• Weight: Approx. 0.34 kg (without adapter), 0.39 kg (with adapter)
• External Connection: Pressure clamp terminal, MIL cable, dedicated signal cable

HART COMMUNICATION

The SAI143-H model supports HART communication, allowing for the connection of HART devices. It features a single HART modem for each channel, enabling concurrent communication with one device at a time.

• Communication Mode: Serial half duplex
• Applicable Standard: HART Protocol Revision 5.7
• Transmission Speed: 1200 ±2 bps

MODEL AND SUFFIX CODES

• Model: SAI143 Analog Input Module (4 to 20 mA, 16 channels, module isolation)
• Suffix Codes:
  • -S: Standard type
  • -H With HART communication [Release: R1.02.00] (*1

     

  • 6 With signal cable interface adapter and no explosion protection (*2)

     

  • 3 With ISA Standard G3 and temperature (-20 to 70 ºC)

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