ABB Symphony Harmony Series - Page 170

Digital Output
WBPEEUI240751C0 4 - 15
Figure 4-12. DOT-120 Block
T03238A
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DOT-120 MODULE
DOT-120 MODULE
REDUNDANCY LINK
REDUNDANCY LINK
READBACK
READBACK
16
16
1
1
A
A
B
B
B
A
HNET
CPU
AND
HNET
IN T E R FAC E
CPU
AND
HNET
IN T E R FAC E
NC
REDUNDANT
DOT-120 BASE
C
NO
LOAD
RELAY
RELAY
CH 1
CH 1
OPTO-
COUPLER
OPTO-
COUPLER
READBACK
JUM PER
READBACK
JUM PER
READ-
BACK
READ-
BACK
OPTO-
COUPLER
OPTO-
COUPLER
LATCH /
DRIVER
LATCH /
DRIVER