Products Description
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Technical Specifications
| Item | Specification |
|---|---|
| Model | SAI143-H03 (with HART communication) |
| Number of Input Channels | 16 channels, module isolation |
| Rated Input Range | 4 to 20 mA |
| Permissible Input Range | 0 to 25 mA |
| Input Impedance (Power ON) | 250 Ω + current value (includes internal protection circuit voltage drop) |
| Input Impedance (Power OFF) | Minimum 500 kΩ |
| Rated Accuracy | ±16 µA (input range 0.05 to 23 mA) |
| Data Update Frequency | 40 ms |
| Temperature Drift | ±16 µA / 10°C |
| Transmitter Power Supply | Min. 16.15 V @ 20 mA, Max. 26.4 V @ 0 mA, output current limit: 25 mA |
| 2-/4-wire Configuration | Individual setting per channel via configuration pins |
| Withstand Voltage | 1.5 kV AC between input and system for 1 minute |
| Max Current Consumption | 320 mA (5V system), 550 mA (24V system) |
| PRM Support | Supported (H version only) |
| HART Communication | Supported, 1 HART device per channel, compliant with HART Rev 5.7 |
| External Connection | Pressure clamp terminal, MIL cable, dedicated signal cable |
| Dimensions (L×H×W) | 130 × 107.5 × 32.8 mm |
| Weight | Approx. 0.34 kg (pressure clamp terminal or MIL cable) |
FAQ
Frequently Asked Questions (FAQ)
Q1: What type of input signal does the SAI143-H03 support?
A: It supports 4 to 20 mA DC current input signals.
Q2: Does the module offer channel isolation?
A: Yes, each input channel on the SAI143-H03 is module isolated.
Q3: Is HART communication supported?
A: Yes, the SAI143-H03 supports HART Rev 5.7 and is compatible with PRM systems.
Q4: What is the accuracy of the module?
A: The rated accuracy is ±16 µA within the input range of 0.05 to 23 mA.
Q5: How is the 2-wire/4-wire configuration set?
A: Each channel can be independently configured via setting pins.
Q6: What is the transmitter power supply voltage range?
A: It ranges from a minimum of 16.15 V (at 20 mA) to a maximum of 26.4 V (at 0 mA), with a 25 mA limit.
Q7: Can the module be used in redundant configurations?
A: Yes, the SAI143-H03 supports dual-redundant setup.
Q8: What is the input impedance when the module is powered off?
A: The minimum input impedance in power-off condition is 500 kΩ.
Tags
Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
