Glossary
90
NHA80945 04/2017
M
Monitoring function
Monitoring functions acquire a value continuously or cyclically (for example, by measuring) in order to
check whether it is within permissible limits. Monitoring functions are used for error detection.
MSB
Most Significant Byte
N
NMT
Network Management. One of the service elements of the application layer in the CAN Reference Model.
The NMT serves to configure, initialize, and handle detected errors in a CAN network.
P
Parameter
Device data and values that can be read and set (to a certain extent) by the user.
PDO
Process Data Object
PELV
Protective Extra Low Voltage, low voltage with isolation. For more information: IEC 60364-4-41
PLC
Programmable logic controller
Power stage
The power stage controls the motor. The power stage generates current for controlling the motor.
Q
Quick Stop
The quick Stop function can be used for fast deceleration of a movement as a response to a detected error
or via a command.
R
RPDO
Receive PDO
S
SYNC
Synchronization Object
T
TPDO
Transmit PDO
W
Warning
If the term is used outside the context of safety instructions, a warning alerts to a potential problem that
was detected by a monitoring function. A warning does not cause a transition of the operating state.
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