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Product Related Information
* For additional information, refer to NEMA ICS 1.1 (latest edition), “Safety
Guidelines for the Application, Installation, and Maintenance of Solid State Control.“
User Comments
We welcome your comments about this document. You can reach us by e-mail at
techcomm@schneider-electric.com.
WARNING
LOSS OF CONTROL
z The designer of any control scheme must consider the potential failure modes
of control paths and, for certain critical control functions, provide a means to
achieve a safe state during and after a path failure. Examples of critical control
functions are emergency stop and overtravel stop.
z Separate or redundant control paths must be provided for critical control
functions.
z System control paths may include communication links. Consideration must be
given to the implications of unanticipated transmission delays or failures of the
link.*
z Each implementation of a Magelis XBTGT, HMISTO, HMISTU, XBTGH,
XBTGK, XBTGC, iPC, and XBTGTW must be individually and thoroughly tested
for proper operation before being placed into service.
Failure to follow these instructions can result in death, serious injury, or
equipment damage.