Atlas Copco PowerMACS 4000

Peripheral Devices
9836 3521 01 499
Byte
Process data
IN area
Byte
Process data
OUT area
0
CMD (Most Significant Byte)
0
STS (Most Significant Byte)
1
CMD (Least Significant Byte)
1
STS (Least Significant Byte)
2
2
3
Data
:
Data
:
TO
FROM
PowerMACS
PowerMACS
:
:
Data bytes In – 1
Data bytes Out – 1
The first word in the IN area is used as Command (CMD). The fieldbus master writes commands in this to
request PowerMACS perform a task.
The first word in the OUT area is used as Status (STS) in which PowerMACS writes information to
indicate the result of the command issued.