ABB Symphony Harmony Series, Instruction, Page: 165 / 402

4 - 10 WBPEEUI240751C0
Digital Output
Figure 4-7. AIN-300 Block
T 0 3 23 3 A
+
R E F 1
R E F 1
R E F 1 6
R E F 1 6
– 15 V
– 15 V
– 15 V
– 15 V
1
1
1
1
16
16
16
16
C H 1
C H 1
C H 16
C H 16
•
•
•
•
•
•
•
•
•
•
•
•
R E D U N DA N T
A IN -3 00 B A S E A IN -300 M O D U LE (P R IM A RY )
A IN -300 M O D U LE (B A C K U P )
R E D U N DA N C Y LIN K
R E D U N DA N C Y LIN K
–
C
IS O LAT E D
G N D
IS O LAT E D
G N D
M AT C H E D
C U R R E N T
S O U R C E S
M AT C H E D
C U R R E N T
S O U R C E S
A M P
A M P
A M P
A M P
A /D
A /D
A /D
A /D
O P TO -
C O U P L E R
O P TO -
C O U P L E R
O P TO -
C O U P L E R
O P TO -
C O U P L E R
O P TO -
C O U P LE R
O P TO -
C O U P LE R
O P TO -
C O U P LE R
O P TO -
C O U P LE R
A
A
B
B
B
A
H N E T
C P U
A N D
H N E T
IN T E R FAC E
C P U
A N D
H N E T
IN T E R FAC E
RT D