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Xenus Plus Compact STO Manual 16-01553 Rev 00
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8.3 Periodic Testing Checklist
Chk Requirement Comments Initials
Ensure that the drive can be run and stopped freely during the commissioning.
Stop the drive (if running), and safely remove AC power from the drive.
Check the STO-IN1 and STO-IN2 circuits and connections against a wiring
diagram.
Apply AC mains power to the drive. Energize both the STO-IN1 and STO-IN2
circuits.
Test the operation of the STO-IN1 function when the motor is stopped. Give a
stop command for the drive (if running) and wait for the motor to come to a
standstill.
While keeping STO-IN2 energized, de-energize the STO-IN1 circuit and give a
start command for the drive. Ensure that the motor remains at a standstill.
Energize the STO-IN1 circuit.
Test the operation of the STO-IN2 function when the motor is stopped. Give a
stop command for the drive (if running) and wait for the motor to come to a
standstill.
While keeping STO-IN1 energized, de-energize the STO-IN2 circuit and give a
start command for the drive. Ensure that the motor remains at a standstill.
Energize the STO-IN2 circuit.
Restart the drive and check that the motor runs normally
Test the operation of the STO-IN1 function when the motor is running: Start the
drive and ensure that the motor is running. While keeping STO-IN2 energized,
de-energize the STO-IN1 circuit. Ensure that the motor stops. Reset any
latching fault that may hav
e occurred (these depend on the drive’s control
mode settings). Try to start the drive. Ensure that the motor stays at a
standstill. Energize the STO-IN1 circuit
Test the operation of the STO-IN2 function when the motor is running: Start the
drive and ensure that the motor is running. While keeping STO-IN1 energized,
de-energize the STO-IN2 circuit. Ensure that the motor stops. Reset any
latching fault that may hav
e occurred (these depend on the drive’s control
mode settings). Try to start the drive. Ensure that the motor stays at a
standstill. Energize the STO-IN2 circuit
Restart the drive and ensure that the drive and motor operate normally.
Table 12