2DI725.6
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The B & R Automation 2DI725.6 is part of the System 2010 Controllers series and offers compatibility with base plate modules BP200, BP201, and BP210. It features 32 inputs, a rated voltage of 120/230 VAC, and operates at frequencies of 50/60 Hz. The device has a maximum peak voltage of 264 VAC.
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Product Description:
The 2DI725.6 Controller is manufactured by B & R Automation. It belongs to the System 2010 Controllers series. It is a suitable and reliable solution for a number of industrial automation applications.
The 2DI725.6 controller is designed to work with either 120V or 230V AC signals that are common for industrial control signals. The highest voltage the module can tolerate on its inputs without damage and it is a safety margin. The input voltage below 40V is interpreted as a logic '0' (OFF) and it sets the threshold for a low signal. The maximum current the model draws when the input is in a "0" state is 15 mA. This controller input voltage above 79V is interpreted as a logic '1' (ON) which ensures noise immunity and reliable state detection. It requires 2 mA of minimum current to ensure the recognition of "1" input signal. The response time for the module to register a change in input state from 0 to 1 is 50 ms which is typical for AC signal detection and allows for debounce and filtering. It is designed to accept 32 separate input signals (channels) which is useful for monitoring switches and sensors, etc.
The 2DI725.6 controller needs power of 4 watts internal max and 7 watts external max. The module converts electrical signals into a binary image (ON and OFF status) stored in memory of "PCC logic" which likely relates to the internal logic family used. The module COM is connected to neutral and input to switched phase which means the common terminal goes to neutral and each input receives a phase (hot/live) voltage via a switch or relay.
Frequently Asked Questions about 2DI725.6:
Q: Why is a switching delay of 50 ms used in the 2DI725.6 controller?
A: The 50 ms delay filters out signal noise and prevents false triggering. It ensures stable detection of AC signal changes.
Q: How does the 32-channel input capacity benefit industrial applications?
A: It allows the 2DI725.6 to monitor multiple devices like sensors and switches simultaneously. This improves efficiency and reduces the need for additional modules.
Q: What is the advantage of using PCC logic in the 2DI725.6 controller?
A: PCC logic ensures fast and accurate digital signal processing. It allows real-time status updates to the controller’s memory.
Q: Why is 79 VAC chosen as the minimum '1' signal for the 2DI725.6?
A: This value ensures the controller avoids misreading lower voltages as ON signals. It improves immunity to electrical noise and signal fluctuation.
Q: How does the COM to neutral connection enhance system safety in 2DI725.6?
A: Connecting COM to neutral stabilizes the input reference point. It minimizes risk of floating voltages and improves input signal accuracy.
