ABB A413295 AIR8C electrical equipment module

ABB A413295 AIR8C electrical equipment module

Technical data of product parameters

The Servo Driver periodically calls a routine that polls the buffer control bits, and A413295 AIR8C
compares the two bits of the bit pair. If the bits associated with the Controller-toServo Driver buffer are different, then a message has arrived. The Servo Driver
reads the message, then toggles the status bit associated with the buffer, which A413295 AIR8C
indicates the message was received. The buffer is now available because the bits are
equal.
Each message between the Controller and Servo Driver conforms to a simple format
and set of rules. The message has a two word header; the first word is a message
type, and the second word is subtype, or could be called a type modifier. Typically A413295 AIR8C
the subtype contains the byte count for the remaining message. Multiple messages
may be placed in the buffer if space allows. Valid message data is terminated by
placing a zero after the last valid message. (Message type equal to 0 is treated as a
terminator for the message processor.)
Message type 1 is a text command string. The string is moved from the Ovation
memory into a FIFO that is processed by the terminal character processing routines.
This means that all the commands and calibration constants can be entered either
through the terminal or through the Ovation serial interface.

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