Product Description
Product Overview
The Yokogawa SAI143-H53/A4D00 is an Analog Input Module designed for precise current signal acquisition in industrial safety systems. This module, part of the Current Input Module series, inputs 4 to 20 mA signals from field devices across 16 isolated channels and supports dual-redundant configurations. Featuring HART communication and a dual-redundant pressure clamp terminal block, it is engineered for robust performance on safety node units and safety control units, as detailed in this General Specification (GS).
Technical Information
| Item | Specifications |
|---|---|
| Manufacturer | Yokogawa |
| Model/Part Number | SAI143-H53/A4D00 |
| Description | Analog Input Module |
| 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 |
General Information
- This General Specification (GS) describes the hardware specifications of analog I/O modules mountable on the safety node unit and safety control unit.
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)
- 5: For pressure clamp terminal block or MIL cable with no explosion protection
- 6: With signal cable interface adapter and no explosion protection (*2)
- E: For pressure clamp terminal block or MIL cable with explosion protection
- F: With signal cable interface adapter and explosion protection (*2)
- 3: With ISA Standard G3 and temperature (-20 to 70 ºC)
- C: With ISA Standard G3 and high-density installation (-20 to 70 ºC) (*5)
- Option Codes:
- /A4S00: With pressure clamp terminal block for analog [Model: STA4S-00]
- /A4S10: With pressure clamp terminal block for analog (with surge absorber) [Model: STA4S-10]
- /A4D00: With dual-redundant pressure clamp terminal block for analog (*3) [Model: STA4D-00]
- /A4D10: With dual-redundant pressure clamp terminal block for analog (with surge absorber) [Part name: STA4D-10]
- /PRP: With prevention pin of false insertion (*4)
- /CCC01: With connector cover for MIL cable (for flat ribbon cable) [Model: SCCC01]
Specific Configuration
- Model/Part Number: SAI143-H53/A4D00
- Configuration Details:
- -H: With HART communication [Release: R1.02.00] (*1)
- 5: For pressure clamp terminal block or MIL cable with no explosion protection
- 3: With ISA Standard G3 and temperature (-20 to 70 ºC)
- /A4D00: With dual-redundant pressure clamp terminal block for analog (*3) [Model: STA4D-00]
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