04-3275_OPM_ABB_CONCEPTPOWER_DPA_500kW_EN_REV-A.docx Page 33/78 ABB
Modifications reserved
6.2.4 Multidrop Configuration
Multidrop cable connection
Insert the splitter/s supplied with the installation inside the Multidrop connector/s JR2 on
NW22085 on all middle unit/s.
Connect the “Previous” end of the multidrop cable on the First Unit and the “Next” end on the
second Unit (If more than two unit inside the splitter).
Proceed on the same way with all other unit on the installation as shown on the picture.
Board NW22085 Jumper & Switches configuration
Verify that the customer interface board (
NW22085) of each unit correctly configured according to the following table
JUMPER JP 2 on PCB NW22085D (with ROM76-12) or NW22085E or later versions
First unit OFF
Middle Unit ON
Last Unit ON
Note: on the (older) versions NW22085B/C without ROM76-12 make a bridge between X3-11 & X3-12.
6.2.5 ON/OFF – Main Buttons
The ON/OFF-Buttons serve to shutdown the UPS-system for service or maintenance or for emergency
reasons.
NOTE!
WHEN BOTH ON/OFF BUTTONS ON ALL UPS MODULES IN A
PARALLEL SYSTEM ARE PUSHED THE POWER SUPPLY TO THE
LOAD WILL BE INTERRUPTED.
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