How to Use DFMC 0,5/ 4-ST-2,54-RF Phoenix Contact MALE: Examples, Pinouts, and Specs

The DFMC 0,5/ 4-ST-2,54-RF Phoenix Contact MALE is a male connector designed for secure and reliable electrical connections. Manufactured by EXOR, this component features a 4-pin configuration with a 2.54 mm pitch, making it ideal for compact and high-density applications. Its robust design ensures durability and consistent performance in industrial environments.

• Industrial automation systems
• PCB interconnections
• Signal and power transmission in compact devices
• Prototyping and development boards
• Applications requiring secure and vibration-resistant connections

1. PCB Design: Ensure the PCB layout matches the 2.54 mm pitch of the connector. The 4-pin configuration should align with the intended signal or power routing.
2. Soldering: Carefully solder the connector onto the PCB. Use a soldering iron with a fine tip to avoid damaging the pins or insulation.
3. Wire Connection: Strip the wires to the appropriate length (based on the wire size range of 28–20 AWG) and securely insert them into the connector.
4. Testing: After assembly, test the connections using a multimeter to ensure proper continuity and functionality.

• Avoid Overcurrent: Do not exceed the rated current of 6 A to prevent overheating or damage.
• Temperature Limits: Ensure the operating environment stays within the specified temperature range (-40°C to +105°C).
• Secure Mounting: For applications involving vibration, use additional mechanical support to secure the connector.
• Proper Insulation: Verify that the insulation material is intact and free from damage to prevent short circuits.

The DFMC 0,5/ 4-ST-2,54-RF connector can be used to interface with an Arduino UNO for signal or power connections. Below is an example of how to connect the component to an Arduino UNO:

// Example: Reading a signal from the DFMC connector on Arduino UNO

const int signalPin = 2; // Pin connected to DFMC signal output
int signalValue = 0;     // Variable to store the signal value

void setup() {
  pinMode(signalPin, INPUT); // Set the signal pin as input
  Serial.begin(9600);       // Initialize serial communication
}

void loop() {
  signalValue = digitalRead(signalPin); // Read the signal value
  Serial.print("Signal Value: ");       // Print the signal value to the serial monitor
  Serial.println(signalValue);
  delay(500); // Wait for 500 ms before reading again
}

Note: Ensure proper wiring between the DFMC connector and the Arduino UNO. Use the ground pin of the connector to establish a common ground with the Arduino.

1. Loose Connections:

   • Issue: The connector pins are not making proper contact with the PCB or wires.
   • Solution: Re-solder the pins or reinsert the wires securely into the connector.

2. Overheating:

   • Issue: The connector becomes excessively hot during operation.
   • Solution: Check if the current exceeds the rated 6 A. Reduce the load or use a higher-rated connector.

3. Signal Interference:

   • Issue: Noise or interference in the transmitted signal.
   • Solution: Use shielded cables and ensure proper grounding to minimize interference.

4. Damaged Pins:

   • Issue: Pins are bent or broken during handling.
   • Solution: Replace the connector if the pins are irreparably damaged.

Q1: Can this connector handle both power and signal transmission?
A1: Yes, the DFMC 0,5/ 4-ST-2,54-RF is designed to handle both power (up to 6 A) and signal transmission, making it versatile for various applications.

Q2: Is this connector compatible with breadboards?
A2: No, the 2.54 mm pitch is suitable for PCB mounting but not directly compatible with standard breadboards.

Q3: What tools are recommended for soldering this connector?
A3: Use a fine-tip soldering iron and high-quality solder wire. A magnifying glass or microscope can help ensure precision.

Q4: Can this connector be used in outdoor environments?
A4: While the connector is durable, it is not specifically rated for outdoor use. Additional weatherproofing may be required for outdoor applications.