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G7 ASD Multi-Protocol Communication Option and PG Feedback Option Manual
32
9.6 Asynchronous Drive Parameter Access
9.6.1 Parameter Number / Action Output Words
To access drive parameters, 2 output words and 2 action bits are provided in the drive’s output data
structure. The structure of these output words and action bits is as follows:
Action Bits
Bit #:
15 14 13 12
11 8 7 4 3 0
Reserved
Reserved
Req1
Req0
Action bits (offset 32) Reserved (offset 33)
Parameter Number Word
Bit #:
15 12
11 8 7 4 3 0
Parameter number
high byte (offset 34)
Parameter number
low byte (offset 35)
Parameter Data Write Word
Bit #:
15 12 11 8 7 4 3 0
Parameter data to write
high byte (offset 38)
Parameter data to write
low byte (offset 39)
Note that all locations marked “Reserved” are ignored by the Multicom interface.
Parameter data
Reserved
Parameter number