1.3.1.2.1.3 Warning about using contactors behind the power supply
Attention
Attention
Our servo drives are designed for voltages between 12 V and 48 V (60 V Max), they should be run
Our servo drives are designed for voltages between 12 V and 48 V (60 V Max), they should be run
with an appropriate extra-low voltage supply. Please
with an appropriate extra-low voltage supply. Please
do not use contactors behind the power
do not use contactors behind the power
supply
supply
since the transient-voltage-suppression diodes could get damaged due to the power-up
since the transient-voltage-suppression diodes could get damaged due to the power-up
voltage increase (Surge). This is likely to happen when the power up occurs fast and
voltage increase (Surge). This is likely to happen when the power up occurs fast and
can lead to
can lead to
complete failure
complete failure
of your servo drive.
of your servo drive.
If contactors behind the power supply are used, it’s necessary to
If contactors behind the power supply are used, it’s necessary to
include an uni-directional TVS
include an uni-directional TVS
diode type 1.5KE62A-E3/54
diode type 1.5KE62A-E3/54
* between Main Power Supply and Ground of the terminal.
* between Main Power Supply and Ground of the terminal.
* this model has been successfully tested by Synapticon. Other products with the same
* this model has been successfully tested by Synapticon. Other products with the same
specifications may also be appropriate but can’t be recommended.
specifications may also be appropriate but can’t be recommended.
In case you are running several servo drives behind a contactor, please use an uni-directional TVS diode
on each drive because of the inductances of the wiring.
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