246 JVL A/S - User Manual - Integrated Servo Motors MAC050 - 4500
5.7 Expansion Module MAC00-FD4
5.7.2 Terminology / Semantics
This chapter is meant to give an overall understanding of the fundamentals in terminology
concerning the description of the MAC00-FD4 module.
Numbering:
All values are specified in decimal unless other is noted.
0x1234 or #1234 (Omron format) specify a hexadecimal number.
General terms:
Command message.
A message sent from the master to the FD4 module describing a certain.
IO-message.
An IO-message is a bundle of 8 bytes sent to the MAC00-FD from the master in the sys-
tem and visa versa.
Register.
A register is a physical memory location in the basic motor. All variables to be written or
read a available as a register. For example the desired motor velocity can be set by writ
-
ing to register 5. For a general motor register overview please consult MacTalk commu-
nication, page 402.
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