2
ADVANCED USER GUIDE
Commander SX
IP66/Nema 4X variable speed drive
CONTROL TECHNIQUES
3854 en - 03.2008 / b
NOTE
CONTROL TECHNIQUES reserves the right to modify the characteristics of its products at any time in order to incorporate the
latest technological developments. The information contained in this document may therefore be changed without notice.
WARNING
For the user's own safety, this variable speed drive must be connected to an approved earth ( terminal).
If accidentally starting the installation is likely to cause a risk to personnel or the machines being driven, it is essential to supply
the equipment via a circuit-breaking device (power contactor) which can be controlled via an external safety system (emergency
stop, detection of errors on the installation).
The variable speed drive is fitted with safety devices which, in the event of a fault, control stopping and thus stop the motor.
The motor itself can become jammed for mechanical reasons. Voltage fluctuations, and in particular power cuts, may also cause
the motor to stop.
The removal of the causes of the shutdown can lead to restarting, which may be dangerous for certain machines or installations.
In such cases, it is essential that the user takes appropriate precautions against the motor restarting after an unscheduled stop.
The variable speed drive is designed to be able to supply a motor and the driven machine above its rated speed.
If the motor or the machine are not mechanically designed to withstand such speeds, the user may be exposed to serious danger
resulting from their mechanical deterioration.
Before programming a high speed, it is important that the user checks that the installation can withstand it.
The variable speed drive which is the subject of this manual is designed to be integrated in an installation or an electrical
machine, and can under no circumstances be considered to be a safety device. It is therefore the responsibility of the machine
manufacturer, the designer of the installation or the user to take all necessary precautions to ensure that the system complies
with current standards, and to provide any devices required to ensure the safety of equipment and personnel.
Using the drive for hoisting: when using this application, it is essential to follow the special instructions in an application-specific
manual which is available on request. It is the responsibility of the user to obtain this manual from his usual CONTROL
TECHNIQUES contact.
CONTROL TECHNIQUES declines all responsibility in the event of the above recommendations not being observed.
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Manual corresponding to software versions higher than or equal to 3.10
This generation of drives requires the use of a SX SOFT parameter-setting software version higher than or equal to
V3.00, or the KEYPAD-LCD console version higher than or equal to V3.10
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