Siemens SIMATIC S5 1P 243, Operating Instructions & Installation Instructions

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8.2 Switching on the machine
1. If at all possible, run the machine without load and check that it is running smoothly.
Maximum number of permissible consecutive starts for machines on the power supply:
Three cold / two warm
The start conditions for converter machines can be found in the catalog.
2. If it runs perfectly, connect a load.
3. If this is possible using the available measuring equipment, check the bearing and stator
winding temperatures.
8.3 Switching off the external fan
If the controller does not switch off the external fan automatically, switch it off when the machine
is stopped.
8.4 Switching off the water-cooling system
If the controller does not switch off the air-to-water heat exchanger automatically, switch it off
when the machine is stopped.
8.5 Switching on again after an emergency switching-off
● Check the motor before restarting the driven machine after an emergency off.
● Eliminate all the causes that have led to the emergency off
8.6 Stoppages
The stoppage is a shutdown for a period of time, during which the machine is stopped but
remains at the location of use.
Under normal ambient conditions, e. g. the stopped machine is not exposed to any vibration,
no increased level of corrosion, etc. in general, the following measures are necessary during
stoppages.
8.6.1 Switching on the anti-condensation heater
If the machine has anti-condensation heating, then switch it on when the machine is not in
operation.
Operation
8.6 Stoppages
LOHER CHEMSTAR 1PS5
Operating Instructions 03/2014
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