ABB Symphony Harmony Series - DIO and RLY Blocks Flowchart

Installation and Connection Sequence
WBPEEUI240751C0 5 - 7
Figure 5-5. DIO and RLY Blocks Flowchart
IN S TA L L
I/O M O D U L E
ANOTHER
I/O BLO C K ?
TR1981B
NO
YES
DOT BLOCK
CIO BLOCK
DIO BLOCK
AOT BLO CK
AIN BLOCK
DIO BLOCK
E
D
C
D
B
A
F
SEPARATE THE
I/O M O DUL E
FROM ITS BASE
INSTALL D I O
BLOCK BASE
(N O T E 1 )
CONNECT FIELD
WIRING TO BASE
SCREW TERMINAL
PR19
PR20
PR21
CLAMP TERMINAL
CABLE
CONNECT FIELD
WIRING TO
RLY BLOCK
INSTALL
RLY
BLOCK
CONNECT
CABLES
RELAY
ASSEMBLY?
RELAY
TYPE
YES
ELEC TRO -
MECHANICAL
NO
SO LID S TATE
RLY-100
BLOCK
SET UP
RLY-200
BLOCK
PR2
PR16
SET UP
DIO-400
BLOCK
PR12
PR4
PR23
PR18
PR3
NOTE:
1. A RELAY CO NNECTOR BASE IS REQUIRED TO CO NNECT
DIO OUTPUTS TO A RELAY ASSEMBLY.