GE Industrial Solutions AF-650 GP General Purpose Drive (230V to 50HP, 460_575V to 100HP) - Manual (Page 8)

2.1.3 Before Commencing Repair Work
1. Disconnect the frequency converter from mains
2. Disconnect DC bus terminals 88 and 89 from load share applications
3. Wait for discharge of the DC-link. See period of time on the warning label
4. Remove motor cable
2.1.4 Avoid Unintended Start
While the frequency converter is connected to mains, the motor can be started/stopped using digital commands, bus commands, references or via the Keypad.
• Disconnect the frequency converter from mains whenever personal safety considerations make it necessary to avoid unintended start.
• To avoid unintended start, always activate the [OFF] key before changing parameters.
• An electronic fault, temporary overload, a fault in the mains supply, or lost motor connection may cause a stopped motor to start. Frequency converter
with Safe Stop provides protection against unintended start, if the Safe Stop Terminal 37 is on low voltage level or disconnected.
2.1.5 Safe Stop of AF-650 GP
The AF-650 GP can perform the safety function Safe Torque Off (As defined by IEC 61800-5-2) or Stop Category 0 (as defined in EN 60204-1).
It is designed and approved suitable for the requirements of Safety Category 3 in EN 954-1. This functionality is called Safe Stop. Prior to integration and use of
Safe Stop in an installation, a thorough risk analysis on the installation must be carried out in order to determine whether the Safe Stop functionality and safety
category are appropriate and sufficient. In order to install and use the Safe Stop function in accordance with the requirements of Safety Category 3 in EN 954-1,
the related information and instructions of the AF-650 GP Design Guide must be followed! The information and instructions of the Operating Instructions are not
sufficient for a correct and safe use of the Safe Stop functionality!
AF-650 GP Operating Instructions
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