ABB ACS580MV - Motor Insulation Resistance; Optical Fibers; Visual Check; Attenuation Measurement

144 Preventive Maintenance
 Motor insulation resistance
Insulation resistance measurement for motor, please refer to Motor Insulation Test.
Optical fibers
 Visual check
Pay special attention to the following:
1. Cracks in the core or the coating.
2. Minimum bend radius (25 mm).
3. Condition of male and female connectors.
4. Installation across sharp edges.
5. Tightness of cable ties.
 Attenuation measurement
1. Prepare the tools for attenuation measurement:
• Tempo 253B light source (1)
• Tempo 557B power meter (2)
• 10ZP adapter