As industrial automation became more complex, the need for better signaling devices became apparent. Stack lights are one such device that are used to give visual indication of machine status or malfunction. Allen Bradley 855E stack lights have become increasingly popular due to their high-quality performance and ease of use, and understanding the wiring diagram is crucial to get the best results.
What is Allen Bradley 855E Stack Light Wiring Diagram?
An Allen Bradley 855E stack light wiring diagram is a visual representation of how the electrical components are connected in the stack light. It consists of a series of lines and symbols that represent the different electrical connections and components within the stack light. This wiring diagram is essential for installation, operation, and maintenance purposes.
Before we dive deep into the wiring diagram, let’s take a look at some of the components used in Allen Bradley 855E stack lights.
Components Used in Allen Bradley 855E Stack Lights
The following components are used in Allen Bradley 855E stack lights:
| Component | Description |
|---|---|
| Base | The base is the bottom part of the stack light that houses the electrical components. |
| Light Modules | The light modules are the colored lights that form the stack light. |
| Sounder Module | The sounder module is an optional component that can be added to give audible indication along with the visual indication of the stack light. |
| Steady/Flash Module | The steady/flash module is used to control the flashing or steady operation of the stack light. |
| Relay Module | The relay module is used to control the stack light from an external device. |
Understanding Allen Bradley 855E Stack Light Wiring Diagram
The Allen Bradley 855E stack light wiring diagram consists of the following components:
- Power Supply
- Light Modules
- Steady/Flash Module
- Sounder Module
- Relay Module
Power Supply
The power supply is the first component in the wiring diagram. It supplies power to the entire stack light. The power supply can be AC or DC, depending on the application. The voltage of the power supply should match the voltage rating of the stack light.
Light Modules
The light modules are the colored lights that form the stack light. Each light module is connected to the next module through a common wire. The common wire is connected to the power supply or to the steady/flash module.
The light module can be connected in series or parallel. The series connection is used when all the modules need to light up simultaneously, and the parallel connection is used when selective modules need to light up.
Steady/Flash Module
The steady/flash module is used to control the flashing or steady operation of the stack light. It can be connected in series or parallel with the light modules, depending on the application. The steady/flash module is connected to the power supply or the relay module.
Sounder Module
The sounder module is an optional component that can be added to give audible indication along with the visual indication of the stack light. The sounder module is connected to the power supply or the relay module.
Relay Module
The relay module is used to control the stack light from an external device, such as a PLC or a switch. The relay module is connected to the power supply or the sounder module. The relay module can be connected in series or parallel with the light modules, depending on the application.
FAQ
What is the voltage rating of Allen Bradley 855E stack lights?
The voltage rating of Allen Bradley 855E stack lights can be from 24VDC to 240VAC, depending on the application.
What is the maximum number of light modules that can be used in Allen Bradley 855E stack lights?
The maximum number of light modules that can be used in Allen Bradley 855E stack lights is 5.
Can the sounder module be used without the light modules?
Yes, the sounder module can be used without the light modules. It can be connected directly to the power supply or the relay module.
What is the purpose of the steady/flash module?
The steady/flash module is used to control the flashing or steady operation of the stack light. It can be connected in series or parallel with the light modules, depending on the application.
Can the relay module be used without the sounder module?
Yes, the relay module can be used without the sounder module. It can be connected directly to the power supply or the steady/flash module.
Conclusion
Allen Bradley 855E stack lights are an excellent signaling device that provides visual and audible indication of machine status or malfunction. Understanding the wiring diagram is crucial for installation, operation, and maintenance purposes. By following the wiring diagram and using the right components, you can get the best performance out of your Allen Bradley 855E stack light.
