BONFIGLIOLI act 401 Instrucciones de operaciones Pagina 66

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5.9 Motor temperature
Temperature monitoring forms part of the configurable error- and warnin
g
behavior.
T
he connected load can be monitored by connectin
g
a measurin
g
resistor (motor PTC)
with temperature characteristics according to DIN 44081 or by means of a bimetal
temperature sensor (break contact).
The operation mode of the motor ptc port can be selected via parameter
Operation
Mode Motor Temp.
570 The operation modes described in chapter "Motor Tempera-
ture" of the frequency inverter operating instructions are complemented by the follow-
ing operation modes with the EM-IO-02 expansion module:
Operation mode Function
11 -
EM-MPTC:
warning only
The critical operating point is displayed by the control
unit and parameter
Warnings 269.
12 -
EM-MPTC:
Error-switch-off
Error-switch-off is displayed by message F0400. Error-
switch-off can be acknowledged via the control unit or
the digital input.
13 -
EM-MPTC:
Error-switch-off,
1 min. delay
Error-switch-off according to operation mode 2, delayed
by one minute.
14 -
EM-MPTC:
Error-switch-off,
5 min. delay
Error-switch-off according to operation mode 2, delayed
by five minutes.
15 -
EM-MPTC:
Error-switch-off,
10 min. delay
Error-switch-off according to operation mode 2, delayed
by ten minutes.
The function to be adjusted by parameter
Operation Mode Motor Temp. 570 results in
si
g
nalin
g
the overtemperature by the red LED of the frequency inverter, irrespective o
f
the selected operation modes of the control inputs and outputs.
The operation modes with error-switch-off result in the fault messa
g
e "FAULT" with
fault number "F0400" being displayed on the control unit KP500.
The fault message can be acknowledged via parameter
Program 34 or the lo
g
ic si
g
nal
linked with parameter
Error Acknowledgement 103.
Thermal switch
S3IND
S4IND
S5IND
0
Therm. Contact
204
Operation Mode Motor Temp.
570
Error/Warning-Behaviour
PTC connection
S1IND
S2IND
S6IND
MFI1D
EM-PTC
EM-PTC
The function selected according to the above table with parameter Operation Mode
Motor Temp.
570 can be linked, as required, to the di
g
ital control outputs and the
warning mask. (For detailed information, refer to the operating instructions of the fre-
quency inverter).
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