Application Guide

Installation Instructions Section 5876
Spec. No. 582140000 (Models 802
NLDB, 802NLEB and 802NL-B) Issue AT, April 26, 2013
Chapter 5. Installing the Rectifiers and Initially Starting the System Page 5-11
This document is property of Emerson Network Power, Energy Systems, North America, Inc. and contains confidential and proprietary information owned by Emerson Network Power, Energy
Systems, North America, Inc. Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.
MCA Numbering Scheme
The MCA identifies (numbers) the components of the system as follows.
COMPONENT
MCA IDENTIFICATION NUMBER
MCA NUMBERING
SCHEME (note
that each line
shown below is
separated with a
dash in the MCA
display)
NOTES EXAMPLE
MCA/Router
Bay #
Primary Bay is #1, other bays are numbered
consecutively, following the bay-to-bay cabling
scheme.
Primary Bay
1
Second Bay
2
Fifth Bay
5
Rectifier
(PCU)
Bay #
MCA Rectifier ID#
within the Bay / # of
Rectifiers Installed
in System
Main Power Bay is #1, other bays are numbered
consecutively, following the bay-to-bay cabling
scheme.
Rectifiers are identified from 1 to 10, as they are
powered-up and recognized by the MCA.
Primary Bay, First
Recognized Rectifier
(w/ 36 rectifiers
installed)
1-01/36
Second Bay, Third
Recognized Rectifier
(w/ 24 rectifiers
installed)
2-03/24
Fifth Bay, Tenth
Recognized Rectifier
(w/ 12 rectifiers
installed)
5-10/12
MCA Relay
Circuit Card
Bay #
Card Position #
w/in Bay
Relay # w/in Card
Primary Bay is #1, other bays are numbered
consecutively, following the bay-to-bay cabling
scheme.
Card #1 = left slot,
Card #7 = right slot.
Relay # (see illustration in System Overview
Chapter)
Primary Bay, Relay
Card in First Slot,
Relay One on Card
1-1-1
Second Bay, Relay
Card in Third Slot,
Relay Four on Card
2-3-4
Fifth Bay, Relay Card
in Seventh Slot, Relay
Six on Card
5-7-6