Yokogawa SAI143-H53 S2 16-Channel Analog Input Module

FAQ

• Q1: What is the main application of the SAI143-H53 S2 module?
  A1: The module is primarily used to input 4–20 mA analog signals from field devices in process automation systems and transmit accurate data to the ProSafe-RS system.

• Q2: Can the SAI143-H53 S2 module be used in a dual-redundant configuration?
  A2: Yes, the module supports dual redundancy, but an additional module with the same specifications is required without option codes for dual-redundant setup.

• Q3: What is the effect of ambient temperature on the module performance?
  A3: For SAI143-S ≤3 or SAI143-H ≤C at temperatures above 60°C, the number of usable channels may be restricted. Refer to the ProSafe-RS module guide for details.

• Q4: How is the transmitter power supplied and controlled?
  A4: The module provides a 16.15–26.4 V power supply with a 25 mA current limit. In 2-wire settings, power to all channels can be switched ON/OFF simultaneously to reset alarms of Fire and Gas devices.

• Q5: What are the HART communication capabilities of this module?
  A5: Each channel supports one HART device. The module uses serial half-duplex communication with a speed of 1200 bps and FSK modulation.

• Q6: What is the rated accuracy and input range?
  A6: Rated accuracy is ±16 µA for input ranges of 1–23 mA. Style code S3 or later supports 0.05–23 mA with the same accuracy.

• Q7: What types of external connections are supported?
  A7: Connections include pressure clamp terminals, MIL cables, and dedicated signal cables, with support for options like prevention pins or connector covers for flat ribbon cables.

• Q8: What is the weight and size of the module?
  A8: The module weighs approximately 0.34 kg and has dimensions of 130 × 107.5 × 32.8 mm.

Analog Input Module SAI143 SAI143-H53 S2 Yokogawa

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