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Siemens SIMOTICS T-1FW6 Configuration Manual

Siemens SIMOTICS T-1FW6
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Mechanical properties
3.5 Service and inspection intervals
1FW6 Built-in torque motors
68 Configuration Manual, 07/2017, 6SN1197-0AE00-0BP9
3.5.3
Checking the insulation resistance
Notes for checking the insulation resistance
WARNING
Risk of electric shock
If you check the insulation resistance using high voltage on a plant/machine equipped with
direct drives or directly at the motors, this can damage the motor insulation! Examples
necessitating that the insulation resistance is checked include the installation test,
preventive maintenance and troubleshooting.
• Only use test equipment that is in compliance with EN 61557-1, EN 61557-2 and
EN 61010-1 or the corresponding IEC standards.
• The test may only be carried out with a maximum direct voltage of 1000 V for a
maximum time of 60 s!
• Measure the insulation resistance with respect to the PE connection or the motor
enclosure.
• If a higher DC or AC voltage is necessary to test the machine/plant, you must coordinate
the test with your local Siemens office!
• Carefully observe the operating instructions of the test equipment!
Always proceed as follows when testing the insulation resistance of individual motors:
1. Connect all winding and temperature sensor connections with each other; the test voltage
must not exceed 1000 VDC, 60 s with respect to PE connection.
2. Connect all temperature sensor connections to the PE connection and all winding
connections with each other; the test voltage must not exceed 1000 VDC, 60 s, winding
with respect to PE connection.
Each insulation resistance must be at least 10 MΩ, otherwise the motor insulation is
defective.
WARNING
Risk of death due to electric shock!
During and immediately after the measurement, in some instances, the terminals are at
hazardous voltage levels, which can result in death if touched.
• Never touch the terminals during or immediately after measurement.

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Siemens SIMOTICS T-1FW6 Specifications

General IconGeneral
BrandSiemens
ModelSIMOTICS T-1FW6
CategoryEngine
LanguageEnglish

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