Requirement
The following requirements apply to a replacement:
• The new converter has the same or more recent rmware version than that of the converter
being replaced.
• The two converters must also satisfy one of the following conditions:
– The new and replaced converters have the same power rating.
– The new converter has a dierent power rating to the converter it replaced but the same
frame size.
In this case, the rated power of the converter and motor power must not dier too much.
The following values are permissible for the quotients (rated motor power)/(rated
converter power): 0.25 … 1.5
WARNING
Fire or electric shock after tripping of overcurrent protection devices
If an over
current protection device is tripped, the converter may be defective. A defective
converter can cause a re or electric shock.
• Have the converter and the overcurrent protection device checked by a specialist.
WARNING
Electric shock as a result of a residual charge in power components
After
the power supply has been switched o, it takes up to ve minutes for the capacitors in
the converter to discharge enough that the residual charge is safe.
• Check the voltage at the converter connections before removing the connecting cables.
WARNING
Unexpected machine movement caused by incorrect converter type
If a r
eplacement is made with a con
verter of a dierent type, this can result in incomplete or
unsuitable converter settings. This can result in unexpected machine movements, e.g. speed
oscillation, overspeed or incorrect direction of rotation. Unexpected machine movements can
result in death, injury or property damage.
• In all cases not permitted according to the above requirements, you must recommission the
drive after replacing the converter.
Corrective maintenance
13.1Service and maintenance for the converter
SINAMICS S200 PROFINET servo drive system with SIMOTICS S-1FL2
Operating Instructions, 11/2023, FW V6.3, A5E51646752B AB 591
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