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Hardware description
Contents of this chapter
This chapter gives a short description of the module.
Product overview
■ General
The FPTC-02 module implements the Safe motor temperature (SMT)
safety function as defined in EN/IEC 61800-5-2.
The FPTC-02 module is Type Examined as a protective device within
the scope of the European ATEX Product Directive. This allows the
use of the module in temperature protection of motors in explosive
atmospheres (Ex motors).
Inside the module, there is reinforced insulation between the motor
thermistor connection and the other terminals of the module. The
insulation forms a reliable protective separation between the motor
main circuit and the drive control circuits. Thus, the drive control
Hardware description 21