产品介绍
The Allen-Bradley 1746-IM8/A is an AC digital input module designed for the SLC 500 programmable controller platform, specifically intended for higher voltage input applications. As a Series A module, it provides stable and reliable acquisition / 200–250V AC field signals, making it suitable for industrial environments where higher voltage control systems are used.
This module features 8 input channels, allowing it to monitor multiple field devices simultaneously. It is commonly used to interface with high-voltage AC devices such as industrial switches, relays, and contactors. The module converts these field signals into logic-level inputs that can be processed by the PLC for control and monitoring tasks.
Engineered for seamless integration into SLC 500 chassis systems, the 1746-IM8/A maintains compatibility with existing infrastructure while delivering consistent performance. Its design emphasizes electrical robustness, ensuring reliable operation even in environments with voltage fluctuations and electrical noise.
产品规格
| Parameter | 描述 |
|---|---|
| 制造商 | Allen-Bradley |
| Series | SLC 500 |
| Module Type | AC Digital Input Module |
| Catalog Number | 1746-IM8/A |
| Module Classification | High Voltage AC Input Module |
| Number / Channels | 8 Inputs |
| Input Voltage Range | 170–265V AC |
| Nominal Voltage | 200–250V AC |
| Input Frequency | 50/60 Hz |
| Input Current | Approx. 10–12 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 分类 | 分类 1 |
| Series Version | Series A |
| Dimensions | 144.5 × 34.6 × 130.18 mm |
| 重量 | 0.181 kg |
Applications
● High-Voltage Control Panels
Used for monitoring 200–250V AC signals from industrial control devices such as selector switches and relay contacts.
● Heavy Industrial Equipment
Suitable for applications involving high-voltage machinery where standard 120V modules are not applicable.
● Process Automation Systems
Applied in industries such as power generation, metallurgy, and chemical processing where higher AC voltage signals are common.
● Motor Control Systems
Detects status signals from motor starters, contactors, and protection devices operating at higher AC voltage levels.
● System Upgrades and Expansion
Provides a direct solution for integrating high-voltage input signals into existing SLC 500 systems without additional conversion hardware.
Advantages
● Designed for 200–250V AC Inputs
Optimized for higher voltage ranges, eliminating the need for external step-down interfaces in many applications.
● Strong Electrical Isolation
Ensures protection between field wiring and PLC backplane, improving overall system safety.
● Noise-Resistant Operation
Internal filtering minimizes false triggering caused by electrical disturbances.
● Compact Rack-Mounted Design
Integrates directly into SLC 500 chassis, simplifying installation and maintenance.
● Consistent Signal Processing
Provides stable input recognition even under fluctuating voltage conditions.
● Reliable Industrial Performance
Proven durability in demanding environments with continuous operation requirements.
公司信息
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