Terminals short circuit protection
Fan control S6-A / S6-K
The S6 servo controller has only one fan, which is controlled by the interior (ID) or
heat sink (HS) temperature.
The fan is activated in the default setting for unit sizes 9, 10 or 11, if the interior
temperature or the heatsink temperature exceeds 50°C.
This threshold is dependent on the power unit and can vary for other sizes or spe-
cial devices.
The switch-off threshold is 5°C below the switch-on threshold and the minimum
switch-on time is 5s.
The switch-on temperature can be changed by parameters de116 / de117.
Fan is activated with default setting
Activation threshold in °C, is limited upwards depending on the power unit.
(For unit size 9, 10 or 11 the upper limit is equal to the default setting = 50 °C)
4.7 Terminals short circuit protection
Control type K
The digital outputs Out 1...Out 4 on the terminal blocks X2A and X2B, as well as
the voltage outputs 24V OUT and the 24V encoder supply are short-circuit pro-
tected.
However, the current is not limited to the maximum permissible value (=> installa-
tion manual), but it is a thermal protection.
Thus the inverter is protected against destruction, but the 24V supply can failure
due to overload.
If the supply voltage does not failure, the inverter changes to the following errors:
Short circuit of a digital output
100 “ERROR overcurrent out1”
101 “ERROR overcurrent out2”
102 “ERROR overcurrent out3”
103 “ERROR overcurrent out4”
Short circuit of a 24V voltage output
106 “ERROR overcurrent 24V”
Short circuit of the 24V encoder supply
105 “ERROR overcurrent en-
coder”
Control type A
The digital outputs Out 1 and Out 2 on the terminal block X2A, as well as the volt-
age outputs 24V OUT and the 24V encoder supply are short circuit protected.
However, the current is not limited to the maximum permissible value (=> installa-
tion manual), but it is a thermal protection.
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