LEGRAND UPS - 7.1 Parallel Operation Information; 7.1.1 UPS Position; 7.1.2 Master;Slave Priority

UPS user manual
Manuel de l’utilisateur de l’ASI
Utilizzo dell’UPS
40 OMG38225 REV. B
The only adjustable parameters are the MODBUS settings (see SPECIAL menu).
Sub-menu Displayed data
SERIAL NUMBER
Device serial number given by the manufacturer and
by an OEM distributor, if any
DEVICE TYPE
The device type can be:
 ON LINE - UPS
 FREQUENCY CONVERTER
 ECO MODE - UPS
 SINGLE UPS
 PARALLEL
PARALLEL
(1)
Data regarding the parallel configuration
MODBUS
MODBUS address of device
FIRMWARE RELEASE
Firmware versions installed on the system
SERVICE
Scrolling text string with information regarding
technical service
RUNNING HOURS
Dates related to hours number of UPS running time
(1)
the menu is only active if the UPS belongs to a Parallel or Load Sync system
7.1 PARALLEL OPERATION INFORMATION
The PARALLEL menu is only active if the UPS belongs to a parallel or load-sync system.
7.1.1 UPS position
PARALLEL
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The first number on the second line identifies the position of that specific UPS within the parallel
system. The second number represents the total number of UPS units.
7.1.2 Master / Slave priority
PARALLEL
MASTER
The string on the second line may have two values, “MASTER” or “SLAVE”. Only one MASTER
UPS can be present in the system; if not there will be a conflict on the data communication bus.