22 Digitax ST Installation Guide
Issue: 7
3.4 Braking
3.4.1 Optional internal braking resistor
Figure 3-9 Installing an optional internal braking resistor (top view of drive)
1. Remove screws.
2. Remove grill.
3. Fit the braking resistor shield.
4. Fit the optional internal braking resistor in the slot provided (note the angle).
5. Electrically connect the braking resistor and thermistor (connections shown in
Figure 4-1 on page 27).
6. Refit the grill and mounting screws by reversing the procedure in points 1 and 2.
3.4.2 Optional external braking resistor
If using an external braking resistor, the following Warning must be adhered to:
4
2
1
Brake
connections
Thermistor
connection
Braking resistor: High temperatures and overload protection
Braking resistors can reach high temperatures. Locate braking resistors so that damage
cannot result. Use cable having insulation capable of withstanding the high temperatures.
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