Product Overview
The SAI143-H53 S3 is an advanced analog input module designed for industrial automation systems. It handles 4–20 mA current signals from field devices and supports HART communication, enabling precise control and monitoring. The module offers 16 input channels with high accuracy and isolation, supporting dual redundancy for enhanced reliability.
Key Features
Analog Input Capabilities
- Accepts 4–20 mA signals (permissible range 0–25 mA).
- Supports 16 isolated channels.
- Rated accuracy: ±16 µA (input range 0.05–23 mA).
HART Communication
- Supports one HART device per channel.
- Compliant with HART Protocol Revision 5.7; backward compatible with HART 5, 6, and 7.
- Built-in HART modem allows concurrent communication with one device per module.
Power Supply for Field Devices
- Integrated transmitter supply: 16.15 V min at 20 mA, 26.4 V max at 0 mA.
- Output current limit: 25 mA.
- Supports individual 2-wire or 4-wire configurations per channel.
Redundancy and Reliability
- Supports dual-redundant configurations.
- Internal voltage protection and residual voltage suppression enhance safety.
Enhanced Performance
- Data update frequency: 40 ms.
- Temperature drift: ±16 µA per 10 °C.
- Withstand voltage: 1.5 kV AC between input signals and system.
Technical Specifications
| Attribute | Details |
|---|---|
| Number of Channels | 16 |
| Input Range | 4–20 mA (0–25 mA permissible) |
| Input Impedance (Power ON) | 250 Ω + current value |
| Input Impedance (Power OFF) | ≥ 500 kΩ |
| Accuracy | ±16 µA (0.05–23 mA) |
| Data Update Frequency | 40 ms |
| Power Supply Voltage | 16.15–26.4 V |
| Withstand Voltage | 1.5 kV AC for 1 minute |
| Operating Temperature | -20 to 70 °C |
| Maximum Current Consumption | 5 V system: 320 mA, 24 V system: 550 mA |
| Weight | 0.34 kg (pressure clamp terminal) / 0.39 kg (signal cable adapter) |
HART Communication Specifications
| Attribute | Details |
|---|---|
| Mode | Serial half-duplex, start-stop synchronization |
| Transmission Speed | 1200 ±2 bps |
| Modulation Technique | Binary phase-continuous FSK |
| Protocol | HART Revision 5.7 |
| Frame Length | Up to 267 bytes |
| Response Time | Max. 256.7 ms (28 characters) |
| Error Detection | Longitudinal/vertical parity |
Model and Suffix Codes
| Model | Description |
|---|---|
| SAI143-H | Analog Input Module with HART communication |
| Suffix Code | Description |
|---|---|
| 5 | Pressure clamp terminal block or MIL cable |
| 3 | ISA Standard G3, extended temperature range (-20 to 70 °C) |
Applications
- Industrial Automation: Monitoring and controlling plant processes.
- Field Instrumentation: Integrates with HART-enabled devices for diagnostics and configuration.
- Redundant Systems: Ensures high reliability in safety-critical applications.
Details
| Weight | 1.5 kg |
|---|---|
| Dimensions | 32 × 107 × 130 mm |
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