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Vertiv
™
NetSure
™
-48 VDC Power System
System Application Guide
Spec. No: 582140001
Proprietary and Confidential © 2022 Vertiv Group Corp.
SAG582140001
Model No: 801
NLDB
, 801
NLEB
, 801
NL
-
B
Page 18
Revision T, September 28, 2022
Two (2) P/N 506336 LMS 4-Input Universal Analog Cards
One (1) P/N 506334 LMS 8-Input Binary Card
♦
LMS Gateway Software Option allows the LMS to emulate a “dumb” RS-232 asynchronous terminal interface.
Specifically, List 67 enables user input through either a local or remote LMS port to be directed to a DGU (in the legacy
plant) connected to the LMS Gateway port. Refer to the LMS documentation for further information.
♦
The analog and binary DGU I/O cards provide monitoring of the legacy system’s rectifiers
Restrictions
LMS Channels must be configured.
Ordering Notes
1)
Order as required.
List 70: Additional MCA Six (6) Output Form-C Relay Circuit Card
Features
♦
Provides six relays each with one set of Form-C relay contacts.
♦
These relays are used for alarm applications and can be programmed by the user.
♦
Refer to the "
" section of this document for further information.
♦
Plugs into any slot in 7-position card cage in Primary and Secondary Power Bays.
♦
User maps relay closure to any or multiple programmable alarm functions.
Restrictions
Relay contacts rated for 2A at 30 volts DC.
The system may contain up to 16 MCA Relay circuit cards.
Ordering Notes
1)
Order one (1) List 70 relay circuit card for every six (6) customer relay contacts to be provided by the MCA.
List 71: MCA I/O Circuit Card P/N 524550
Features
♦
Provides 1 analog input, 1 analog output (for remote plant output current monitoring), and 4 binary inputs.
♦
Refer to the "
" section of this document for further information.
♦
Plugs into any slot in 7-position card cage in Primary and Secondary Power Bays.
Restrictions
The system may contain up to 16 MCA I/O circuit cards.
Only one (1) P/N 524550 card can be installed per bay.
Analog input and output rating = 0-50mv DC.
Binary input rating = dry contact.
Analog inputs should be protected by a 49.9 ohm resistor.
Recommended to use current limiting resistors to protect binary input wiring.
Ordering Notes
1)
Order optional MCA I/O circuit cards as required.
2)
Use of the “Alternate Current Limit” feature requires that an MCA I/O circuit card be installed.