The Allen Bradley 1794 IB16 is a digital Input Module that provides 16 inputs to your programmable controller. It is used in a wide range of applications in industries such as automotive, food and beverage, water and wastewater, and more. In this article, we will be discussing the wiring diagram for the 1794 IB16, along with common questions and answers about this module.
Wiring Diagram
The wiring diagram for the Allen Bradley 1794 IB16 can be found in the user manual for the module. It is important to follow the wiring diagram carefully to ensure proper installation of the module. The diagram will show you how to connect the module to your programmable controller, as well as how to wire the inputs.
Connecting the Module
Before wiring the inputs, you will need to connect the module to your programmable controller. The wiring diagram will show you which terminals on the module are used for this purpose. Generally speaking, you will need to connect the module to a power supply, as well as to the backplane of your controller.
The wiring diagram will also show you how to connect the module to your network. Depending on your specific network configuration, you may need to use different cables or connectors to make this connection.
Wiring the Inputs
The Allen Bradley 1794 IB16 provides 16 digital inputs, each of which can be connected to a sensor or other input device. The wiring diagram will show you how to wire each input, including which terminal on the module to use and which wire from the input device to connect.
It is important to pay careful attention to the wiring diagram when connecting the inputs. Failure to wire the inputs correctly can result in incorrect readings or even damage to the module or input devices.
Examples
Here are a few examples of how you might use the Allen Bradley 1794 IB16 and how you would wire the inputs:
| Example | Input Devices | Wiring |
|---|---|---|
| Temperature Sensors | 16 temperature sensors | Connect each sensor’s signal wire to a separate input on the 1794 IB16. Connect all sensors’ ground wires to a common ground. |
| Limit Switches | 16 limit switches | Connect each switch’s signal wire to a separate input on the 1794 IB16. Connect all switches’ ground wires to a common ground. |
| Pressure Sensors | 8 pressure sensors and 8 temperature sensors | Connect each sensor’s signal wire to a separate input on the 1794 IB16. For temperature sensors, connect all sensors’ ground wires to a common ground. For pressure sensors, connect all sensors’ ground wires to a separate ground terminal on the module. |
FAQ
What is the maximum voltage for the inputs?
The maximum voltage for the inputs on the Allen Bradley 1794 IB16 is 30 volts DC.
What is the maximum current for the inputs?
The maximum current for the inputs on the Allen Bradley 1794 IB16 is 5 milliamps.
What is the input type for the module?
The Allen Bradley 1794 IB16 is a digital input module, meaning that it can only accept signals that are either on or off (0 or 1).
How do I troubleshoot problems with the module?
If you are experiencing problems with the Allen Bradley 1794 IB16, the first step is to consult the user manual and wiring diagram to ensure that the module is correctly installed and wired. If the wiring and installation are correct, you may need to perform additional troubleshooting steps, such as testing the input devices or replacing the module.
Can I use the module with other programmable controllers?
The Allen Bradley 1794 IB16 is designed to be used with Allen Bradley programmable controllers. While it may be possible to use the module with other controllers, compatibility cannot be guaranteed and you should consult the user manuals for both the module and your controller before attempting to use them together.
How do I program the module?
The programming for the Allen Bradley 1794 IB16 is typically done using software such as RSLogix or Studio 5000. You will need to create a program that reads the inputs from the module and takes appropriate actions based on those inputs. Consult the user manual for your programmable controller and programming software for more information on how to program the module.
Conclusion
The Allen Bradley 1794 IB16 is a versatile digital input module that can be used in a variety of applications. By following the wiring diagram carefully and paying attention to the instructions in this article, you should be able to install and use the module successfully. Remember to consult the user manual and other resources as needed to troubleshoot problems and ensure proper operation of the module.
