Thermal Motor Protection; Thermal Motor Protection Using Ptc Thermistors (Option); Interlock Circuit For The Automatic Regreasing System (Option); Interlock Circuit For Anti-Condensation Heating - Siemens SIMOTICS FD 1LH1 Operating Instructions & Installation Instructions
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Preparations for use
4.10 Support base for IM B5 construction type
4.6
Thermal motor protection
The machine is equipped with measuring equipment for direct monitoring of the motor
temperature to protect the machine against overload during operation. Plan a corresponding
circuit for monitoring.
4.7
Thermal motor protection using PTC thermistors (option)
The machine is equipped with PTC thermistors for direct monitoring of the motor temperature
to protect the machine against overheating during operation. Plan a corresponding circuit for
monitoring.
4.8
Interlock circuit for the automatic regreasing system (option)
Relubrication is permitted only for a rotating shaft. Consequently, deploy an interlock circuit
for machines with automatic regreasing system to prevent them from operating at machine
standstill.
4.9
Interlock circuit for anti-condensation heating
If the anti-condensation heating is operated while the machine is running, this can increase
the temperatures inside the machine.
● Install an interlock circuit that switches off the anti-condensation heating once the main
● Only switch on the anti-condensation heating after the motor has been switched off.
See also
Switching off the anti-condensation heating (Page 113)
4.10
Support base for IM B5 construction type
For construction type IM B5, the machine has to be supported with an additional support base
at the NDE. The support base is not included in the scope of supply. Therefore, use an
appropriately sized support base with corresponding rigidity. At the bottom of the machine,
there is a plate with a threaded hole M36x40 where you can fasten the support base.
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machine is switched on.
Carefully comply with the data on the anti-condensation heating plate.
SIMOTICS FD 1LH1
Operating Instructions 04/2016
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