MAXnet Manual - Pro-Dex, Oregon Micro Systems - #15

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MAX COMMAND REFERENCE MANUAL 1-11 1.3.4. QUEUE STATUS COMMANDS Commands sent to the MAX are either queued or immediate. As the type names imply, queued commands are stored in first-in-first-out buffers to be executed in the order they were sent while immediate commands are executed the moment they are received. There are several internal queues in the MAX corresponding to the various axis and command modes and each of these queues has a limited amount of storage space. For example, the X axis command queue can hold 2559 “units”. Each command requires some number of storage units. The amount of storage required is listed in a table with each command. The following commands provide control and monitoring capability for the queues. COMMAND PAGE Q = QUERY C=CMD COMMAND DESCRIPTION FL 1-86 C Flush RQC 1-180 Q Report axis command queue 1.3.5. USER UNIT COMMANDS The following commands allow specification of move parameters in user defined units. In the UU mode, the controller will automatically convert all move parameters to these units once they have been initialized COMMAND PAGE Q = QUERY C=CMD COMMAND DESCRIPTION UF 1-211 C User units off UU 1-213 C Set user units 1.3.6. AXIS STATUS COMMANDS The MAX monitors the various inputs and conditions that can affect motor movement and system status. This information is frequently needed by host applications so that proper motion decisions can be made and appropriate actions taken. The following commands provide this status feedback to the host. COMMAND PAGE Q = QUERY C=CMD COMMAND DESCRIPTION EA 1-73 Q Encoder status QA 1-164 Q Query axis status QI 1-165 Q Query interrupt status RA 1-167 Q Report axis status RI 1-174 Q Report axes status