4.6 connection of a temperature detection
4.6.1 Temperature detection terminals T1, T2
The KEB COMBIVERT is delivered with a PTC evaluation. The function corresponds to
DIN EN 60947-8 and works in accordance with the following table:
function of T1, T2
Resistance
Display ru46
Error/warning
PTC or
temperature switch
< 750 Ω
T1-T2 closed
–
0.75…1.65 kΩ
(reset resistance)
undefined
1.65…4 kΩ
(tripping resistance)
> 4 kΩ
T1-T2 open
x
Figure 18:
Temperature detection
The behaviour of the inverter in case of error/warning is defined with param
-
eter CP37. As standard the PTC input is deactivated. An instruction for the
activation can be found in the annex.
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