SV-iS7 User Manual - Inverter Drive Supermarket

10.1.4 Motor overheat sensor input
Chapter 10 Protective Functions
The overhead preventing sensor(PT100, PTC), which is attached to the motor, is connected to the analog input terminal of the
terminal block so that the protective function gets active when the motor is overheated.
Group Code No. Function Display Setting Display Setting Range Unit
PRT
OUT
34 Thermal-T Sel 1 Free-Run - -
35 Thermal In Src 1 V1 - -
36 Thermal-T Lev - 50.0 0~100 %
37 Thermal-T Area 0 Low Low/High -
07 AO2 Mode 14 Constant - -
08 AO2 Const 11 100% 0~100 %
65~75 Px Define 39 Thermal In - -
IN 87 DI NC/NO Sel - - - -
PRT-34 Thermal-T Sel : The inverter operating status is set when the motor is overheat. If you set at Free-Run(1), the
inverter output is blocked. If you set at decelerating stop(Dec(2)), the inverter carried out decelerating stop if the
overheat sensor detects overheat.
PRT-35 Thermal In Src : The terminal type is selected when the motor overheat sensor is connected to the
voltage(V1) or current(I1) input terminal of the inverter terminal block. The voltage(V2) or current(I2) terminals in the
extended I/O option card are also available. When you use the current input terminal I1 by supplying constant current
to the temperature sensor with the analog current output(AO2) terminal, the switch in the I/O card should be where the
PTC is. Before use, check whether the switch is where the PTC is.
1) Use of temperature sensor such as PTC etc. by using the analog input terminal
Using voltage(V1) input terminal Using current(I1) input terminal
AO2 V1 5G
PTC
Measure by letting certain amount of current flow through
the A02 terminal and converting it into voltage according to
the resistance value change
I1
Switch
PTC
5G
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