ABB Symphony Harmony Series, Instruction, Page: 166 / 402

Digital Output
WBPEEUI240751C0 4 - 11
Figure 4-8. AOT-150 Block
T 03235 A
AO T-1 5 0 M O D U L E (P R IM A RY )
AO T-1 50 M O D U L E (B AC K U P )
R E D U N D A N C Y L IN K
R E D U N D A N C Y L IN K
D /A
D /A
1 6
1
1 6
1
A /D
A /D
S A M P LE
A N D
H O L D 1
S A M P LE
A N D
H O L D 1
A
A
B
B
B
A
H N E T
C P U
A N D
H N E T
IN TE R FAC E
C P U
A N D
H N E T
IN TE R FAC E
+
+
+
R E D U N DA N T
AO T-1 5 0 B A S E
–
–
–
+
+
–
–
0 -7 5
L O A D τ
IF P /L FP
IF P /L FP
IF C /LF C
C H 1
C H 1
B Y PA S S
S W IT C H
B Y PA S S
S W IT C H
O P E N
C L O S E D
•
•
•
•
•
•