ABB Symphony Harmony Series, Инструкция, Страница: 256 / 402

WBPEEUI240751C0 PR14 - 1
PR14
DOT-120 Setup
Purpose/Scope
This procedure gives the steps required to set up the DOT-120
block for proper operation. This includes setting jumpers and
switches, and checking for fuses.
Prerequisites
•
Completed worksheet WS9 .
Parts
None.
Tools
•
Small-tipped, flat-blade screwdriver.
•
Needlenose pliers (optional).
Important Notice
Only wire field devices to the normally open relay contacts on a
redundant DOT block. Both the normally open and normally
closed relay contacts can be used on a nonredundant DOT
block.
Procedure
□
1. Set the special operations switch SW2 located on the back
of the I/O module to normal operation.
□
2. Determine the block field power and I/O channel require-
ments. Refer to the appropriate worksheet or any other system
documentation available.
□
3. Set the field power select jumpers J1 and J2 located on the
back of the I/O module as appropriate (Table
PR14-1 ).
10 min.
8 7 6 5 4 3 2 1
O N
O FF
T00 8 84 A