Lust CM-CAN1, Руководство пользователя, Страница: 79 / 84

User Manual CM-CAN1
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Appendix Glossary
CiA: (“CAN in Automation”) CAN bus user group, generally
defines a protocol for automation.
CAL: (CAN Application Layer). CiA protocol primarily describ-
ing the way in which variables are transferred, without
defining their function or content.
Subsets:
CMC: (CAN based Message Specification). Sets out
the definition described above. Is accepted by most
CAN suppliers. LUST conforms to this definition.
NMT: (Network Management). Required for masters in
the CAN system. Not implemented by Lust because
drive controller are always slaves and have no “control
function”.
LMT: (Layer Management). See NMT
DBT: (Identifier Distributor). See NMT
CANopen: Based on CAL definition.
Corresponds to CiA Draft Standard 301.
Expands the CAL definition to include function and unit
assignment of the predefined variables.
This definition is being drafted by CiA and various user
groups (Motion for drive engineering and I/O for input/
output segment) (e.g. variable for torque in Nm).