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Allen Bradley 1746-IO8 Combination I/O Module
- Product Details
- FAQs
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Product Introduction
The Allen Bradley 1746-IO8 Combination I/O Module is a compact digital interface designed for integration with SLC 500 series PLCs. It provides a balanced combination of digital inputs and relay outputs within a single module, enabling efficient control and monitoring of industrial automation systems.
This module is ideal for applications that require both sensing and actuation, allowing direct connection to standard AC or DC devices. Its robust design ensures reliable performance in industrial environments, while its compact footprint simplifies control cabinet layout and wiring.
Product Specifications
| Parameter | Description |
|---|---|
| Product Type | Combination Digital I/O Module |
| Model | 1746-IO8 |
| Manufacturer | Allen Bradley |
| Function | Provides digital inputs and relay outputs for PLC systems |
| Total Points | 8 points |
| Inputs | 4 digital inputs |
| Outputs | 4 relay outputs |
| Compatible Platforms | SLC 500 series PLCs |
| Operating Voltage | Standard 24–120 VDC/AC depending on connected devices |
| Mounting | DIN rail or SLC 500 chassis |
| Response Time | Standard digital I/O response suitable for control and monitoring |
| Isolation | Optical isolation between inputs and outputs for signal integrity |
| Dimensions | 144.5 × 34.6 × 130.18 mm |
| Weight | 0.2 kg |
Applications
• Digital control and monitoring in SLC 500 PLC automation systems
• Input/output interfacing for sensors, actuators, and relay-driven devices
• Industrial automation applications such as material handling, assembly, and packaging
• Compact control panels where space-saving modules are required
• Flexible system design combining input and relay output capabilities in a single module
• Control of AC and DC devices using relay outputs
Advantages
• Combination I/O design, reducing the number of modules and saving cabinet space
• Relay outputs allow direct control of AC and DC devices
• Optical isolation, ensuring reliable operation and protection against electrical noise
• Direct SLC 500 compatibility, simplifying system integration
• Compact and lightweight, suitable for tight control panels
• Reliable industrial performance, suitable for continuous operation
• Simplified wiring and maintenance, reducing installation and troubleshooting time
FAQ
-
How many input and output channels does the 1746-IO8 provide?
It provides a total of 8 points: 4 digital inputs and 4 relay outputs. -
Which PLC platforms is it compatible with?
It is compatible with Allen Bradley SLC 500 series PLCs. -
Does the module provide isolation between inputs and outputs?
Yes, optical isolation is provided to maintain signal integrity and protect against electrical noise. -
Can the outputs control AC and DC devices?
Yes, the relay outputs can be used to switch standard AC or DC loads. -
Is it suitable for compact control panels?
Yes, its combination I/O design reduces the number of modules required, saving panel space. -
What types of devices can be connected to the inputs?
Standard industrial sensors, switches, and auxiliary control devices. -
Can multiple 1746-IO8 modules be used together?
Yes, multiple modules can be combined to expand I/O capacity in a PLC system. -
Does it support high-speed digital operations?
Yes, it supports standard digital I/O speeds suitable for control and monitoring. -
How is the module mounted?
It can be mounted on DIN rails or within an SLC 500 chassis. -
Can the relay outputs handle inductive loads?
Yes, standard industrial relay outputs are suitable for inductive loads within rated specifications.
Related Models
| Model | Description |
|---|---|
| 1746-IO12 | 12-point combination I/O module |
| 1746-IR | Isolated digital input module |
| 1746-OB8 | 8-point digital output module |
| 1746-IA16 | 16-point DC input module |
| 1746-OB16 | 16-point DC output module |
| 1746-IC16 | Counter input module for SLC 500 systems |
Popular Models
| Model | Description |
|---|---|
| Allen Bradley 1746-IA16 | 16-point DC input module |
| Allen Bradley 1746-OB16 | 16-point DC output module |
| Allen Bradley 1746-NI4 | Analog input module |
| Allen Bradley 1746-NO4 | Analog output module |
| Allen Bradley 1746-HSC | Servo control module for SLC 500 |
| Allen Bradley 1746-P4 | Power supply module for SLC 500 chassis |
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
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