Products Description




| Company Information | |||
| [email protected] | |||
| Mobile | +8613950166376 | ||
| +8613950166376 | |||
| 13950166376 |

Technical Specifications
| Parameter | Specification |
|---|---|
| Model | SAI143-H03/A4D00 |
| Module Type | Analog Input Module, 16 channels, dual-redundant, module isolation |
| Input Signal | 4 to 20 mA |
| Permissible Input Range | 0 to 25 mA |
| Input Impedance (Power ON) | 250 Ω + Voltage drop in input protection circuit (0.45 V max, varies from 272.5 Ω at 20 mA to 362.5 Ω at 4 mA) |
| Input Impedance (Power OFF) | ≥500 kΩ |
| Rated Accuracy | ±16 µA (Input range 0.05 to 23 mA, Style code S3 or later) |
| Data Update Frequency | 40 ms |
| Temperature Drift | ±16 µA/10 °C |
| Transmitter Power Supply | 16.15 V min (at 20 mA), 26.4 V max (at 0 mA), Output current limit: 25 mA |
| 2/4-wire Setting | Individual channel setting via pins |
| Withstand Voltage | 1.5 kV AC between input signal and system for 1 minute (500 V AC for dedicated signal cable) |
| Maximum Current Consumption | 5 V system: 320 mA; 24 V system: 550 mA |
| External Connection | Dual-redundant pressure clamp terminal, MIL cable, dedicated signal cable |
| HART Communication | Yes, one HART device per channel; serial half duplex, 1200 ±2 bps, FSK modulation |
| PRM Support | Available |
| Transmitter Power ON/OFF Function | Available for all 16 channels simultaneously in 2-wire setting |
| Dimensions | 130 × 107.5 × 32.8 mm |
| Weight | 0.34 kg |
FAQ
FAQ
-
What is the maximum number of channels supported by SAI143-H03/A4D00?
The module supports 16 analog input channels with individual channel isolation and dual-redundancy. -
Can this module be connected to HART devices?
Yes, each channel supports one HART device, and the module has a single HART modem for concurrent communication. -
What is the rated accuracy for low current input ranges?
The rated accuracy is ±16 µA for input ranges from 0.05 to 23 mA (Style code S3 or later). -
How does the module handle dual-redundancy?
The module can be configured in dual-redundant setup using two identical modules, with dual-redundant pressure clamp terminals. -
What is the update frequency of the input data?
Data is updated every 40 milliseconds. -
Is the transmitter power supply configurable per channel?
No, the transmitter power ON/OFF function is applied simultaneously to all 16 channels in 2-wire setting. -
What is the maximum voltage drop in the input protection circuit?
The maximum voltage drop is 0.45 V across the input protection circuit, depending on input current. -
What environmental limits should be considered for installation?
The module supports ISA Standard G3 and high-density installation, with ambient temperature range of -20 to 70 °C. Input channel usage may be restricted above 60 °C.
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.
