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Connect voltage measurement
Connect voltage measurement
Now the current sensors are installed, it is time to connect the voltage sensing wires.
Two options are available. In both options, branching from the source or an (existing) feed-through terminal block is used. Both options are protected with a 2A fuse.
If you are not sure where to connect voltage branching please check Line diagrams for different motor control device types.
If the branching method below is not possible, please contact Samotics via WhatsApp Chat Support.
Option 1: Voltage branching wires installed directly on the control device output.
Option 2: Voltage branching connected to existing terminal blocks.
1. Verify that the fuses are correctly installed inside the terminal blocks, then mount all three fused terminal blocks onto the DIN rail and install an end plate.
2. Measure the required wire lengths between the motor source and the fused terminal blocks, as well as between the terminal blocks and the green NOVAQ voltage connector. Cut all six wires to the appropriate lengths.
3. Branch the voltage from the motor source and connect it to the fused terminal blocks. Most wires should have ferrules crimped on both ends. However, the cable end used for the voltage connection from the motor source should match the specific requirements of your setup.
Use a flathead screwdriver to open the terminal blocks and insert the cables.
4. Check which phase each terminal block is connected to, and label the wires accordingly with the correct phase markings
5. To connect the voltage sensing wires to the NOVAQ, unplug the green screw-type connector from the top of the device. Insert the wires into slots 1, 4, and 7, and secure them by tightening the screws. Make sure L1 is connected to slot 1 (closest to the DIN rail), L2 to slot 4 (middle), and L3 to slot 7 (closest to the front of the NOVAQ) and plug back the connector into the NOVAQ.
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