Product Description
Product Overview
The Yokogawa SAI143-H33 is an Analog Input Module designed to process 4 to 20 mA signals from the field across 16 isolated channels. It supports HART communication and can be configured for dual-redundant operation, making it a robust and versatile solution for industrial control systems requiring precise current input measurement.
Technical Specifications
The SAI143-H33 Analog Input Module has the following specifications:
| Item | Specification |
|---|---|
| Model | SAI143 (*1) |
| Number of Input Channels | 16 channels, module isolation (*5) |
| Rated Input Range | 4 to 20 mA |
| Permissible Input Range | 0 to 25 mA |
| Input Impedance During Power-ON | 250 Ω + Current value Voltage drop in the input protection circuit inside the module (*6) |
| Input Impedance During Power-OFF | 500 kΩ minimum |
| Rated Accuracy | SAI143-H: ±16 µA (Input range 0.05 to 23 mA) (*3) (*4) |
| Data Update Frequency | 40 ms |
| Temperature Drift | ±16 µA/10 °C |
| Transmitter Power Supply | 16.15 V minimum (at 20 mA) 26.4 V maximum (at 0 mA) (Output current limit: 25 mA) |
| 2/4-Wire Setting | Individual channel setting, changed by setting pins |
| Withstand Voltage | 1.5 kV AC between input signal and system for 1 minute (*2) |
| Maximum Current Consumption | 5 V system: 320 mA 24 V system: 550 mA |
| Weight | Approx. 0.34 kg (For pressure clamp terminal block or MIL cable) Approx. 0.39 kg (With signal cable interface adapter) |
| External Connection | Pressure clamp terminal, MIL cable, Dedicated signal cable |
| Support PRM | Available (SAI143-H) |
| Transmitter Power Supply ON/OFF Function (*7) | Available in 2-wire setting, for all 16 channels at the same time |
Model and Suffix/Option Codes
The SAI143-H33 includes the following configuration details:
| Category | Details |
|---|---|
| Model | SAI143 Analog Input Module (4 to 20 mA, 16 channels, module isolation) |
| Suffix Codes |
|
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