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- Allen Bradley
- 1746-IN16
- PLC Module/Rack
- USA
- 145 × 35 × 130 mm
- 0.5kg
- Xiamen, China
- New & In Stock
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Allen Bradley 1746-IN16 — Detailed Technical Overview
1. Product Introduction
The Allen Bradley 1746-IN16 is a digital AC/DC input module designed for use within the SLC 500 PLC platform. It is a general-purpose discrete input module used to interface field devices with the PLC system.
This module provides sixteen input channels, allowing it to receive signals from switches, sensors, relays, and other discrete devices. It supports both AC and DC input signals, making it flexible for various industrial wiring environments.
Each input channel is equipped with an LED indicator, enabling quick visual diagnostics and simplifying troubleshooting during operation. The module installs directly into the SLC 500 chassis and communicates with the controller via the backplane, ensuring reliable signal acquisition.
2. Product Parameters
Technical Specifications
| Parameter | Value |
|---|---|
| Model | 1746-IN16 |
| Series | SLC 500 |
| Module Type | Digital AC/DC Input Module |
| Number of Inputs | 16 |
| Input Type | Sinking (AC/DC compatible) |
| Nominal Voltage | 24 V AC/DC |
| Input Voltage Range | 10–30 V AC/DC |
| Nominal Input Current | Approx. 8 mA @ 24V |
| Off-State Current | ≤ 1 mA |
| Off-State Voltage | ≤ 3 V |
| Signal Delay (DC) | Approx. 15 ms |
| Signal Delay (AC) | Approx. 25 ms |
| Backplane Current | Approx. 0.085 A @ 5V DC |
| Power Dissipation | Approx. 6 W |
| Isolation | Optical isolation (field to logic) |
| Status Indicators | 16 LEDs (one per input) |
| Operating Temperature | 0 to 60°C |
| Installation Type | Rack-mounted |
| Dimensions (mm) | 145 × 35 × 130 |
| Weight (kg) | 0.3 – 0.5 kg |
3. Product Applications
The 1746-IN16 is widely used in industrial automation systems for monitoring discrete input signals.
Typical applications include:
- Reading push buttons and selector switches
- Monitoring limit switches and safety interlocks
- Interfacing with proximity and photoelectric sensors
- Detecting relay and contact outputs
- General-purpose machine control systems
- Conveyor and packaging system input monitoring
Its compatibility with both AC and DC signals makes it suitable for mixed-field environments.
4. Product Advantages
Dual AC/DC Compatibility
Supports both AC and DC input signals, increasing installation flexibility.
High Input Density
Provides 16 input channels in a single module, optimizing rack space usage.
Built-in Diagnostics
LED indicators for each channel simplify troubleshooting and system maintenance.
Reliable Signal Detection
Ensures stable detection of field signals with minimal noise interference.
Easy Integration
Directly fits into SLC 500 systems without additional configuration complexity.
Industrial Durability
Designed for long-term operation in demanding industrial environments.
5. Brand Information
Allen Bradley is widely recognized in industrial automation for providing PLC systems, I/O modules, and control components.
Its products are commonly used in manufacturing, energy, and process industries due to their reliability and consistent performance.
6. Product Series
- Series Name: SLC 500
- Category: Digital Input Module
The SLC 500 series is a modular PLC platform that supports flexible system expansion. It includes a wide range of digital, analog, and specialty modules, enabling scalable automation solutions.
7. Recommended Models (Same Series / Related)
Related Models Table
| Model | Function | Inputs | Signal Type | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1746-IB16 | Digital Input | 16 | 24V DC (Source) | 145 × 35 × 130 | 0.3 kg |
| 1746-IA16 | Digital Input | 16 | 120V AC | 145 × 35 × 130 | 0.3 kg |
| 1746-IM16 | Digital Input | 16 | 240V AC | 145 × 35 × 130 | 0.35 kg |
| 1746-ITB16 | Digital Input | 16 | 24V DC Sink/Source | 145 × 35 × 130 | 0.25 kg |
| 1746-OB16 | Digital Output | 16 | 24V DC | 145 × 35 × 130 | 0.3 kg |
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Popular Models Table
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