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- Allen Bradley
- 1746-ITB16
- PLC Module/Rack
- USA
- 145 × 171 × 130 mm
- 0.35kg
- 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.
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-ITB16 — Comprehensive Technical Overview
1. Product Introduction
The Allen Bradley 1746-ITB16 is a digital DC input module designed for modular PLC systems, specifically intended for low-voltage, high-speed signal acquisition. It is commonly used in applications where fast and reliable detection of DC signals is required, particularly from electronic devices such as proximity sensors, encoders, and solid-state switches.
This module provides 16 discrete input channels and is optimized for 24V DC sinking input configurations, allowing it to interface with sourcing-type field devices. Its design ensures accurate signal processing and fast response times, making it suitable for time-sensitive industrial operations.
Installed in a chassis-based system, the 1746-ITB16 communicates with the controller via the backplane, ensuring stable and synchronized data exchange. Its robust construction and reliable electrical performance make it a dependable component in industrial automation systems.
2. Brand and Series
- Brand: Allen-Bradley
- Series: SLC 500 Series
- Product Type: Digital DC Input Module (Sinking)
The SLC 500 series is a modular PLC platform widely used in industrial automation. The 1746-ITB16 is part of its digital I/O family, providing efficient DC signal acquisition capabilities.
3. Product Parameters
Below is a detailed and structured parameter table for the 1746-ITB16:
| Parameter | Specification |
|---|---|
| Model | 1746-ITB16 |
| Product Type | Digital DC Input Module |
| Series | SLC 500 |
| Number of Inputs | 16 channels |
| Input Type | DC sinking (for sourcing devices) |
| Nominal Input Voltage | 24 V DC |
| Input Voltage Range | 10–30 V DC |
| Input Current | approx. 8 mA per channel @ 24V DC |
| Signal Delay (ON) | approx. 8 ms |
| Signal Delay (OFF) | approx. 8 ms |
| Input Grouping | 2 groups of 8 |
| Isolation | Optical isolation (field to backplane) |
| Isolation Voltage | approx. 1500 V AC |
| Backplane Current (5V) | approx. 70 mA |
| Backplane Current (24V) | 0 mA |
| Power Dissipation | approx. 4 W total |
| Status Indicators | LED per input |
| Wiring | Removable 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（ ） | 0.35 kg |
4. Product Applications
The 1746-ITB16 is widely used in industrial automation systems that require reliable DC signal acquisition:
- Proximity sensor and photoelectric sensor inputs
- Push button and switch signal monitoring
- Conveyor and material handling systems
- Packaging and assembly automation lines
- Machine safety and status indication systems
- High-speed digital signal detection
- General-purpose industrial control applications
It is particularly suitable for systems using sourcing-type field devices and requiring consistent 24V DC signal processing.
5. Product Advantages
Sinking input compatibility
Designed to work with sourcing field devices, ensuring flexible integration.
Reliable DC signal processing
Provides stable and accurate detection of 24V DC signals.
Fast response time
Supports quick signal transitions, suitable for dynamic processes.
High channel density
Offers 16 input channels in a single module, improving system efficiency.
Electrical isolation
Protects the controller from electrical noise and voltage spikes.
Clear status indication
LED indicators allow quick diagnostics and troubleshooting.
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-IB16 | SLC 500 | 16-point DC input (sourcing) | 24V DC | 249 × 166 × 55 | 0.39 |
| 1746-IB32 | SLC 500 | 32-point DC input module | 24V DC | 145 × 171 × 130 | 0.45 |
| 1746-ITB16K | SLC 500 | 16-point DC input (high-speed) | 24V DC | 145 × 171 × 130 | 0.36 |
| 1746-OB16 | SLC 500 | 16-point DC output module | 24V DC | 145 × 171 × 130 | 0.40 |
| 1746-A10 | SLC 500 | 10-slot chassis | External | 483 × 171 × 145 | 2.2 |
These modules can be combined to create complete and efficient control 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 automation control | 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 | 24V DC | 137 × 140 × 130 | 0.40 |