ABB ACS580 - Direction Lock

456 Control chain diagrams
Direction lock
OR
20.21 Direction = Reverse
20.21 Direction = Request
AND
Reverse command active
MAX
Input reference
0
x
-1
20.21 Direction = Request
AND
OR
Reference from FB Reference from PID
Reference from Motor potentiometer
Reference from Panel
AND
x
-1
Output reference
20.21 Direction = Request
Reverse command active
Safe reference
Reference from AI Reference from AP
Jogging reference Constant reference
OR
Reference from FB
Reference from Panel
Reference from AI Reference from AP
Input reference > 0
ACS580 FW.book Page 456 Wednesday, September 21, 2016 9:48 PM