Product Description
Product Overview
The Yokogawa SAI143-H53/PRP is an Analog Input Module designed to process 4 to 20 mA signals from field devices. With 16 isolated input channels, this module supports dual-redundant configurations for enhanced reliability. It offers features such as HART communication, configurable transmitter power supply, and various connection options, making it suitable for diverse industrial applications.
Technical Information
| Item | Specifications |
|---|---|
| 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-S: ±16 µA (Input range 1 to 23 mA) 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 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) (*3) [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/PRP
- Configuration Details:
- -H: With HART communication [Release: R1.02.00]
- 5: For pressure clamp terminal block or MIL cable with no explosion protection
- 3: With ISA Standard G3 and temperature (-20 to 70 ºC)
- /PRP: With prevention pin of false insertion
Additional Notes
- (*1) SAI143-H includes HART communication, available from release R1.02.00.
- (*2) Withstand voltage applies to specified configurations; signal cable interface adapter affects explosion protection options.
- (*3) Rated accuracy for SAI143-H extends to a broader input range (0.05 to 23 mA); dual-redundant terminal blocks enhance reliability.
- (*4) Prevention pin (/PRP) ensures correct module insertion.
- (*5) Module isolation supports 16 channels; high-density installation option (C) optimizes space.
- (*6) Voltage drop occurs in the internal input protection circuit during Power-ON.
- (*7) Transmitter power supply ON/OFF function is exclusive to 2-wire settings across all channels.
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