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Allen-Bradley 1746-IB16 SLC 500 Digital Input Module
The Allen-Bradley 1746-IB16 is an SLC 500 Digital Input Module with 16 DC inputs. It allows the PLC to monitor discrete signals from sensors, switches, and other devices, enabling accurate process control, status monitoring, and reliable integration into industrial automation systems.
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Categories: PLC I/O Module
Tags: Digital Input Module, PLC module
Description
The Allen-Bradley 1746-IB16 is a digital input module designed for use with the SLC 500 PLC system. It provides 16 discrete 24V DC input channels, allowing the controller to receive signals from field devices such as sensors, push buttons, and limit switches. Installed in an SLC 500 chassis, the module plays a key role in collecting real-time input data for automation processes. Its reliable signal processing ensures accurate monitoring of machine and system conditions, making it essential for industrial control applications.
Built for durability in demanding environments, the 1746-IB16 offers consistent performance and easy integration within existing SLC 500 setups. The module helps improve operational efficiency by enabling precise input detection and fast response to changing conditions. With its compact design and dependable operation, it is widely used in manufacturing, process control, and other industrial automation systems where stable and accurate input handling is required.
QTech Safety is a leading supplier of Allen-Bradley 1746-IB16 SLC 500 Digital Input Module in Ireland, offering competitive prices and fast worldwide shipping across United Kingdom (UK), Germany, France, Italy, Spain, United States USA, Canada, Mexico, and Western Australia (Perth). Buy Allen-Bradley PLC I/O module from one of Ireland’s most trusted industrial safety equipment suppliers.
Features of Allen-Bradley 1746-IB16 SLC 500 Digital Input Module
16 digital DC input channels for field devices
Works with 24V DC signals (10–30V DC range)
Sinking input type (for sourcing sensors/devices)
Compatible with all SLC 500 chassis
LED indicators for each input (easy status monitoring)
Optical isolation for protection and noise immunity
8 ms signal delay filtering to avoid false signals
Removable terminal block for easy wiring and maintenance
Compact modular design for panel installation
Suitable for switches, sensors, push buttons, and relays
Technical Specifications of Allen-Bradley 1746-IB16
Module Type : | Digital DC Input (sinking) |
Number of Inputs : | 16 |
Points per Common : | 16 (one group, single common) |
Voltage Category : | 24V DC signal input (sinking) |
Operating Voltage Range : | 10…30V DC (sinking) |
Nominal Input Current : | 8 mA @ 24V DC |
Off-State Voltage (max) : | 5.0V DC |
Off-State Current (max) : | 1 mA |
Signal Delay (max) : | ON = 8 ms, OFF = 8 ms |
Backplane Current Consumption : | 0.050 A @ 5V DC, 0.0 A @ 24V DC |
Isolation : | 500V DC (comm circuits), 1500V AC (backplane) |
Heat Dissipation : | 0.20 W per point typical, 3.60 W total |
Terminal Block : | Removable |
Compatibility : | SLC 500 chassis and processors |
Allen-Bradley 1746-IB16
Standard Part Number
- 1746-IB16
Alternate Part Number
- 1746-IB8
Applications
Monitoring push buttons and selector switches in control panels
Reading signals from proximity sensors and limit switches
Detecting machine status (ON/OFF conditions)
Input collection in conveyor and material handling systems
Used in packaging and assembly lines for process control
Monitoring safety interlocks and emergency stop signals
Detecting position and motion signals in automation equipment
Used in process industries (water treatment, food, etc.)
Interfacing with relay outputs and contact devices
General discrete input monitoring in PLC-based systems
Why Choose QTech Safety?
At QTech Safety, we’re more than just a safety supplier we’re your trusted partner in workplace protection and compliance.
Here’s why companies across UK and Ireland (EU) choose us for safety products and training:
- Comprehensive Range of Safety Equipment:
From gas detection and PPE to industrial safety tools, we offer one of the widest selections of trusted brands all at competitive Irish market prices. - Test & Measurement Instruments You Can Trust:
We supply a wide range of test and measurement instruments from the most leading and trusted brands, including industrial sensors, multimeters, oscilloscopes, accelerometers, proximity sensors, and other advanced measurement tools to support accurate diagnostics, condition monitoring, calibration, and maintenance applications. - Expert Health & Safety Training:
We provide professional health and safety training programmes designed to help your workforce stay compliant and confident on the job. - Fast, Reliable Delivery Worldwide:
Whether you’re in Texas United States or Perth Western Australia, our fast delivery service ensures you get your safety equipment quickly and efficiently. - Trusted by European Businesses:
We’re proud to support industries across Europe (UK) with certified safety solutions, expert advice, and responsive customer service.
We Ship Worldwide
At QTech Safety, we supply industrial safety products across Ireland and offer fast, reliable worldwide delivery. Through strong global logistics partnerships, we ensure efficient shipping and professional support for customers in Europe, North America and Australia.
🡆 Europe (United Kingdom, Ireland, Germany, France, Italy, Spain, and the rest of European Union)
🡆 Australia (Western Australia WA, Queensland QLD, and New South Wales NSW)
🡆 North America (United States, Canada, Mexico)
