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- Allen Bradley
- 1746-IV16
- PLC Module/Rack
- USA
- 145 × 171 × 130 mm
- 0.36kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
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Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
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-IV16 — Comprehensive Technical Overview
1. Product Introduction
The Allen Bradley 1746-IV16 is a digital DC input module designed for modular PLC systems. It is specifically intended to interface with 24V DC sourcing devices, allowing it to receive field signals from sensors, switches, and other industrial control components and convert them into logic signals for processing by the controller.
This module provides 16 discrete input channels, offering high channel density within a single slot. It is engineered for stable performance, fast response, and reliable signal acquisition, even in demanding industrial environments.
The module is installed in a chassis and communicates with the processor through the backplane, ensuring consistent data exchange and synchronized system operation. It is widely used in automation systems that require dependable DC signal monitoring.
2. Brand and Series
- Brand: Allen-Bradley
- Series: SLC 500 Series
- Product Type: Digital DC Input Module (Sourcing)
The SLC 500 series is a modular PLC platform widely applied in industrial automation. The 1746-IV16 is part of its digital I/O family, designed for efficient and reliable DC input signal processing.
3. Product Parameters
Below is a detailed and structured parameter table for the 1746-IV16:
| Parameter | Specification |
|---|---|
| Model | 1746-IV16 |
| Product Type | Digital DC Input Module |
| Series | SLC 500 |
| Number of Inputs | 16 channels |
| Input Type | DC sourcing |
| Nominal Input Voltage | 24 V DC |
| Input Voltage Range | 10–30 V DC |
| Input Current | approx. 8 mA per channel |
| Signal Delay (ON) | approx. 8 ms |
| Signal Delay (OFF) | approx. 8 ms |
| Off-State Voltage | max. 5 V DC |
| Off-State Current | max. 1 mA |
| Input Grouping | 16 points per common |
| Isolation Type | Optical isolation |
| Isolation Voltage | approx. 1500 V AC |
| Backplane Current (5V) | approx. 80–90 mA |
| Backplane Current (24V) | 0 mA |
| Power Dissipation | approx. 3.5–4 W |
| Status Indicators | LED per input |
| Wiring | Terminal block |
| Mounting | SLC chassis slot |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Dimensions | approx. 145 × 171 × 130 mm |
| Weight kg（ ） | approx. 0.36 kg |
4. Product Applications
The 1746-IV16 is widely used in industrial automation systems that require stable and accurate DC input signal monitoring:
- Proximity sensors and photoelectric sensors
- Push buttons and selector switches
- Limit switches and safety interlocks
- Conveyor and material handling systems
- Packaging and assembly lines
- Machine status monitoring and diagnostics
- General-purpose industrial control systems
It is particularly suitable for systems using sourcing-type field devices operating at 24V DC.
5. Product Advantages
High channel density
Provides 16 input channels in a single module, improving system efficiency and reducing hardware requirements.
Wide voltage compatibility
Supports a 10–30V DC input range, ensuring compatibility with various industrial devices.
Fast response time
Ensures quick signal detection, suitable for real-time control applications.
Reliable electrical isolation
Protects the control system from electrical noise and voltage transients.
Stable performance
Maintains consistent operation in demanding industrial environments.
Flexible integration
Fully compatible with modular PLC systems for easy expansion and configuration.
6. Recommended Models (Same Series or Related)
Below are 5 related models within the same SLC 500 series or similar I/O category:
| Model | Series | Function | Power | Dimensions (mm) | Weight kg（ ） |
|---|---|---|---|---|---|
| 1746-IV8 | SLC 500 | 8-point DC input module | 24V DC | 145 × 171 × 130 | 0.30 |
| 1746-IB16 | SLC 500 | 16-point DC input (sinking) | 24V DC | 249 × 166 × 55 | 0.39 |
| 1746-IB32 | SLC 500 | 32-point DC input module | 24V DC | 145 × 171 × 130 | 0.45 |
| 1746-ITB16 | SLC 500 | 16-point DC input (high-speed) | 24V DC | 145 × 171 × 130 | 0.35 |
| 1746-OB16 | SLC 500 | 16-point DC output module | 24V DC | 145 × 171 × 130 | 0.40 |
These modules are commonly used together to build scalable and flexible I/O systems.
7. Recommended Popular Models (Same Brand)
Below are 5 widely used models from the same brand in industrial automation systems:
| Model | Product Type | Key Function | Power | Dimensions (mm) | Weight kg（ ） |
|---|---|---|---|---|---|
| 1747-L551 | PLC CPU | Modular controller | 24V DC | 145 × 140 × 130 | 0.95 |
| 1756-L73 | PLC Processor | High-performance control | 24V DC | 145 × 140 × 130 | 0.90 |
| 1769-L33ER | Compact PLC | Integrated control system | 24V DC | 118 × 87 × 87 | 0.50 |
| 1734-IB8 | I/O Module | Digital input module | 24V DC | 56 × 12 × 75 | 0.12 |
| 1756-OB16E | Digital Output Module | 16-point output module | 24V DC | 137 × 140 × 130 | 0.40 |