Products Description
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Technical Specifications
| Item | Description |
|---|---|
| Model | SAI143-S33 |
| 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 input protection voltage drop) |
| Input Impedance (Power OFF) | Min. 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) to Max. 26.4 V (@0 mA), current limit: 25 mA |
| 2/4-Wire Setting | Individually set per channel using configuration pins |
| Withstand Voltage | 1.5 kV AC between input and system for 1 minute |
| Max Current Consumption | 320 mA (5 V system), 550 mA (24 V system) |
| External Connections | Pressure clamp terminal, MIL connector, dedicated signal cable |
| HART Support | Only available for SAI143-H model |
| False Insertion Prevention | Optional with /PRP option |
| Dimensions | 130 x 107.5 x 32.8 mm |
| Weight | Approx. 0.34 kg (without signal cable interface adapter) |
FAQ
Frequently Asked Questions (FAQ)
Q1: What type of analog signal does the SAI143-S33 support?
A1: It supports 4 to 20 mA current input, with an allowable input range of 0 to 25 mA.
Q2: How many input channels are available on this module?
A2: The SAI143-S33 provides 16 input channels with module-level isolation.
Q3: Does the module support HART communication?
A3: No, only the SAI143-H model supports HART communication.
Q4: What is the input impedance when powered off?
A4: The input impedance is at least 500 kΩ when powered off.
Q5: Can each channel be configured for 2-wire or 4-wire operation?
A5: Yes, each channel can be individually configured using setting pins.
Q6: What is the data update frequency of this module?
A6: The data is updated every 40 milliseconds.
Q7: Are there any limitations on input channels in high-temperature environments?
A7: Yes, if the ambient temperature exceeds 60°C and older versions are used, input channel usage may be restricted.
Q8: What is the power consumption of the module?
A8: It consumes up to 320 mA for 5 V systems and 550 mA for 24 V systems.
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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.
