Yokogawa SAI143-H53/STA4D-00 16-Channel Analog Input Module

FAQ

Q1: What is the maximum number of input channels supported by the SAI143-H53 module?
A1: The SAI143-H53 supports 16 analog input channels with individual channel isolation.

Q2: Can the SAI143-H53 module be used in dual-redundant configuration?
A2: Yes, it can be made dual-redundant using the STA4D-00 pressure clamp terminal block. An additional module of the same specification is required without option codes.

Q3: What is the rated accuracy of the SAI143-H53 module?
A3: The rated accuracy is ±16 µA for an input range of 0.05 to 23 mA.

Q4: How is the transmitter power supplied and controlled?
A4: The module supplies 16.15 V minimum to 26.4 V maximum with a 25 mA current limit. Transmitter power can be turned ON/OFF simultaneously for all 16 channels in 2-wire setting.

Q5: What type of HART communication does this module support?
A5: The module supports one HART device per channel with serial half-duplex communication at 1200 ±2 bps, using FSK modulation and HART Protocol Revision 5.7.

Q6: How is the module connected to field devices?
A6: Connection is via pressure clamp terminal, MIL cable, or dedicated signal cable.

Q7: What are the environmental restrictions for high-density installations?
A7: For SAI143-HC modules used at ambient temperatures above 60°C, the number of usable input channels may be restricted. Refer to the ProSafe-RS I/O module outline documentation.

Q8: What is the maximum voltage the module can withstand between input and system?
A8: The module can withstand 1.5 kV AC for 1 minute between input signal and system, or 500 V AC when using the dedicated signal cable.

Analog Input Module SAI143 SAI143-H53/STA4D-00 Yokogawa

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