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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3DM476.6 |
| Manufacturer | B&R |
| Category | PLC Systems |
| Series | DM476 |
| Inputs | 16 Inputs, 24 VDC / 24 VAC, 1 ms, DC: Sink/Source |
| Outputs | 16 Transistor Outputs, 24 VDC, 0.4 A |
| Input Voltage | Nominal: 24 VDC / 24 VAC, Maximum: 30 VDC / 30 VAC |
| Output Voltage | Nominal: 24 VDC, Maximum: 30 VDC |
| Input Resistance | 4.8 kΩ |
| Input Current | Approx. 5 mA at Nominal Voltage |
| Output Current | Max. 0.4 A per Output, Max. 4.8 A per Module |
| Switching Frequency | Max. 500 Hz (resistive load) |
| Electrical Isolation | Optocoupler isolation between Input-PLC, Group-Group, Output-PLC |
| Status Indicators | 16 Green LEDs for Inputs, 16 Yellow LEDs for Outputs, A and B LEDs for Status |
| Connector Type | 25-pin DSUB (upper for inputs, lower for outputs) |
| Overload Protection | Yes, with automatic reset based on module temperature |
| Short Circuit Current | 0.75 to 1.5 A |
| Protective Circuit | Internal protection, external surge protection if necessary |
| Dimensions | Single-width B&R 2005 module |
| Power Consumption | Max. 2.5 W internal, Max. 2 W terminal side at 24 V |
| Product ID | DM476 |
| C-UL-US Listed | Yes |
| B&R ID Code | $62 |
The B&R 3DM476.6 is a versatile digital I/O module designed for use in PLC systems. It features 16 digital inputs and 16 transistor outputs, making it suitable for a wide range of industrial automation applications. The module supports both 24 VDC and 24 VAC input voltages and provides optocoupler isolation for enhanced reliability. With a maximum switching frequency of 500 Hz and robust overload protection, the 3DM476.6 ensures efficient and safe operation in demanding environments. The module's status LEDs provide clear visual indicators of input and output states, as well as overall operational status.
The B&R 3DM476.6 is a versatile digital I/O module designed to enhance the functionality of your automation systems. This module is part of the DM476 series and features 16 digital inputs and 16 digital outputs, making it an ideal choice for applications requiring reliable and efficient digital signal processing.
The inputs of the 3DM476.6 can handle both 24 VDC and 24 VAC nominal voltages, with a maximum voltage capacity of 30 VDC or 30 VAC. Each input is optically isolated to ensure safe and interference-free operation. The module's inputs are grouped into four electrically isolated sections, providing flexibility in configuring your system.
On the output side, the 3DM476.6 is equipped with 16 transistor outputs, each capable of handling a nominal voltage of 24 VDC and a maximum voltage of 30 VDC. The outputs are designed to deliver a continuous current of up to 0.4 A per channel, with a total module capacity of 4.8 A. The outputs are also protected against overload and short circuits, ensuring robust performance even in demanding conditions.
The module features a 25-pin DSUB connector for both inputs and outputs, facilitating easy and secure connections. Status LEDs provide clear visual indicators of the operational state of each input and output, allowing for straightforward monitoring and troubleshooting.
With its high performance and reliable design, the B&R 3DM476.6 digital I/O module is an excellent addition to any automation setup, offering enhanced control and monitoring capabilities for a wide range of industrial applications.
Commonly Asked Questions
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Frequently Asked Questions
What type of module is this?
This is a digital I/O module designed for use in PLC systems.
How many inputs and outputs does this module have?
The module features 16 digital inputs and 16 digital outputs.
What is the nominal input voltage for this module?
The nominal input voltage is 24 VDC or 24 VAC.
What is the maximum input voltage this module can handle?
The maximum input voltage is 30 VDC or 30 VAC.
What type of outputs does this module use?
The module uses transistor outputs.
What is the continuous current rating per output?
Each output can handle a continuous current of up to 0.4 A.
Does this module have overload protection?
Yes, the module is equipped with overload protection.
What is the switching delay for the outputs?
The switching delay is a maximum of 100 µs for both log. 0 to log. 1 and log. 1 to log. 0 transitions.
What type of connector is used for the inputs and outputs?
The module uses 25-pin DSUB connectors for both inputs and outputs.
What is the input resistance of this module?
The input resistance is 4.8 kΩ.
What is the maximum switching frequency for the outputs?
The maximum switching frequency for the outputs is 500 Hz.
How is the logical status of each input and output indicated?
The logical status of each input is indicated by a green LED, and the status of each output is indicated by a yellow LED.
What is the maximum peak voltage the inputs can handle?
The inputs can handle a maximum peak voltage of 500 V for 50 µs, occurring every 100 ms.
What is the input current at nominal voltage?
The input current at nominal voltage is approximately 5 mA.
What is the maximum leakage current when the outputs are switched off?
The maximum leakage current when the outputs are switched off is 0.3 mA.
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