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2.4 Basic information
WARNING
LOSS OF CONTROL
•
The designer of any control scheme must consider the potential
failure modes of control paths and, for certain critical functions,
provide a means to achieve a safe state during and after a path
failure. Examples of critical control functions are emergency stop,
overtravel stop, power outage and restart.
•
Separate or redundant control paths must be provided for critical
functions.
•
System control paths may include communication links. Consider-
ation must be given to the implication of unanticipated transmis-
sion delays or failures of the link.
•
Observe all accident prevention regulations and local safety
guidelines.
1)
•
Each implementation of the product must be individually and thor-
oughly tested for proper operation before being placed into serv-
ice.
Failure to follow these instructions can result in death or seri-
ous injury.
1)
For USA: Additional information, refer to NEMA ICS 1.1 (latest edition), “Safety
Guidelines for the Application, Installation, and Maintenance of Solid State Control”
and to NEMA ICS 7.1 (latest edition), “Safety Standards for Construction and Guide
for Selection, Installation and Operation of Adjustable-Speed Drive Systems”.
LXM32M
2 Before you begin - safety information
Modbus-TCP module 13
0198441113843, V1.01, 01.2012