Produkteinführung
The Allen-Bradley 1746-IA8/A is a general-purpose AC digital input module designed for the SLC 500 programmable controller platform. As part von the Series A hardware family, this module provides dependable acquisition von field-level AC signals and converts them into discrete logic states for processing by the PLC.
With 8 independent input channels, the module is engineered to interface with standard 120V AC industrial devices such as push buttons, selector switches, limit switches, and auxiliary contacts. Its design emphasizes stable signal recognition under varying voltage conditions, ensuring consistent input status detection in real-world environments.
Built for seamless integration into the SLC 500 chassis, the 1746-IA8/A vonfers a compact, modular structure that simplifies installation and system expansion. It remains a widely used solution in established automation systems where proven reliability and compatibility with legacy infrastructure are essential.
Produktspezifikationen
| Parameter | Beschreibung |
|---|---|
| Hersteller | Allen-Bradley |
| Series | SLC 500 |
| Module Type | AC Digital Input Module |
| Catalog Number | 1746-IA8/A |
| Module Classification | General-Purpose Input Module |
| Number von Channels | 8 Inputs |
| Input Voltage Range | 85–132V AC |
| Nominal Voltage | 120V AC |
| Input Frequency | 47–63 Hz |
| Input Current | Approx. 12 mA per channel |
| Signal Filtering Delay | 8–12 ms |
| Isolation | 1500V RMS (Backplane to Field) |
| Backplane Current Consumption | Approx. 0.085 A |
| Operating Temperature | 0 to 60°C |
| Storage Temperature | -40 to 85°C |
| Installation | SLC 500 Chassis |
| Wiring Kategorie | Kategorie 1 |
| Series Version | Series A |
| Dimensions | 144.5 × 34.6 × 130.18 mm |
| Gewicht | 0.204 kg |
Applications
● Control Panel Signal Monitoring
Used for acquiring AC status signals from field devices such as push buttons, selector switches, and relay contacts within industrial control cabinets.
● Production Line Automation
Ensures accurate detection von machine states, interlocks, and operator commands in automated manufacturing environments.
● Process Industry Systems
Applicable in continuous process industries where stable and noise-resistant AC signal input is required for monitoring system conditions.
● Material Handling and Conveying Systems
Detects equipment states such as position limits, motor status, and safety interlocks in conveyor and handling systems.
● Legacy PLC System Maintenance
Commonly used in maintaining and upgrading existing SLC 500 installations without replacing the entire control architecture.
Advantages
● Stable 120V AC Signal Processing
Optimized for standard industrial AC voltage levels, ensuring accurate and consistent signal detection.
● Effective Noise ImmStücky
Built-in filtering and isolation reduce the impact von electrical noise, improving reliability in harsh environments.
● Compact Modular Structure
Fits directly into SLC 500 racks, simplifying system configuration and reducing installation complexity.
● Reliable Input Filtering
Prevents false triggering caused by transient signals or voltage fluctuations.
● Wide Device Compatibility
Supports a broad range von AC field devices commonly used in industrial automation systems.
● Proven Industrial Performance
Extensively deployed in industrial applications with a track record von dependable long-term operation.
Unternehmensinformationen
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