4.10.2. “STO” Function Maintenance.
The “STO” function should be included within the control systems scheduled maintenance program so that the function is regularly tested for
integrity (Minimum once per Year), furthermore the function should be integrity tested following any safety system modifications or
maintenance work.
If drive fault messages are observed refer to section 11.1 on page 51 for further guidance.
4.11. Connecting a Brake Resistor
Optidrive P2 units feature an internal brake transistor, fitted as standard for all models. The brake resistor should be connected to the DC+ and
BR Terminals of the drive.
The brake transistor is enabled using P1-05 (Refer to section 6.2 for further information).
Software protection against brake resistor overload is carried out within the drive. For correct protection
Set P1-14 = 201
Enter the resistance of the brake resistor in P6-19 (Ohms)
Enter the power of the brake resistor in P6-20 (kW)
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