ABB AI880-1 Analog module industrial system controller

Description

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WARNING! Follow these instructions. If you ignore them, injury or death, or
damage to the equipment can occur. If you are not a qualified electrician, do
not do the electrical installation or maintenance work. Go through these steps before
you begin any installation or maintenance work.
1. Clearly identify the work location.
2. Disconnect all possible voltage sources.
• Open the main disconnector at the power supply of the drive.
• Make sure that reconnection is not possible. Lock the disconnector to open
position and attach a warning notice to it.
• Disconnect any external power sources from the control circuits before you do
work on the control cables.
CAUTION – Risk of electric shock. After disconnecting the input power, always
wait for 5 minutes to let the intermediate circuit capacitors discharge before you
start working on the drive, motor or motor cable.
3. Protect any other energized parts in the work location against contact.
4. Take special precautions when close to bare conductors.
5. Measure that the installation is de-energized.
• Use a multimeter with an impedance of at least 1 Mohm.
• Make sure that the voltage between the drive input power terminals (L1, L2,
L3) and the grounding terminal (PE) is close to 0 V.
• Make sure that the voltage between the drive DC terminals (UDC+ and UDC-)
and the grounding terminal (PE) is close to 0 V.
6. Install temporary grounding as required by the local regulations.
7. Ask for a permit to work from the person in control of the electrical installation
work.