Products Description
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Technical Specifications
| Parameter | Description |
|---|---|
| Model | SAI143-S03 S1 |
| 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 protection drop) |
| Input Impedance (Power OFF) | ≥ 500 kΩ |
| Rated Accuracy | ±16 µA (Input range: 1 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, limit 25 mA |
| 2/4-wire Setting | Per-channel selectable via setting pins |
| Withstand Voltage | 1.5 kV AC between input and system (1 min) |
| Max Current Consumption | 5 V: 320 mA, 24 V: 550 mA |
| External Connection | Pressure clamp, MIL cable, or dedicated signal cable |
| HART Communication | Only supported by model SAI143-H |
| Transmitter ON/OFF Control | Enabled in 2-wire setup for all channels (SAI143-H) |
| Dimensions | 130 x 107.5 x 32.8 mm |
| Weight | Approx. 0.34 kg (pressure clamp/MIL cable) |
FAQ
Frequently Asked Questions (FAQ)
Q1: How many analog input channels does the SAI143-S03 S1 support?
A1: It supports 16 analog input channels for 4–20 mA signals.
Q2: Does the module have isolation between channels?
A2: Yes, the module provides module-level isolation.
Q3: Does SAI143 support HART communication?
A3: Only the SAI143-H model supports HART. The SAI143-S03 does not.
Q4: Can input signals exceed 4–20 mA?
A4: The permissible range is 0 to 25 mA, but the rated range is 4 to 20 mA.
Q5: What is the data update rate?
A5: The data update frequency is 40 milliseconds.
Q6: What is the input impedance when powered on?
A6: It is 250 Ω plus a value depending on the input current.
Q7: Is 2-wire and 4-wire configuration supported?
A7: Yes, each channel can be individually set via pins for 2-wire or 4-wire mode.
Q8: What are the physical dimensions and weight of the module?
A8: The dimensions are 130 x 107.5 x 32.8 mm, and the weight is approximately 0.34 kg.
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.
