Huawei UPS5000-E-40 kVA Quick Manual page 19

System Configuration Attributes and Values
Item
Voltage Volt Threshold
Thresholds Min LN 1
Volt Threshold
Min LN 2
Volt Threshold
Max LN 1
Volt Threshold
Max LN 2
Frequency Freq Threshold
Thresholds Min LN 1
Freq Threshold
Min LN 2
Freq Threshold
Max LN 1
Freq Threshold
Max LN 2
Modbus
Language
PDC Silk Screen Description
Symbol Name
QF Circuit breaker
FS Surge protective device (SPD)
ATS Automatic transfer switch
Introduction to BSC Connection
In a dual-bus (2N) system, connect BSC cables to the master and slave systems, as shown in the
following figure.
The BSC port is used in a dual-bus system to synchronize output frequencies and phases
between UPS systems, ensuring that two buses can switch with each other.
Value
–30% to –5%
–30% to –5%
+5% to +30%
+5% to +30%
–10% to –1%
–10% to –1%
+1% to +10%
+1% to +10%
•
Modbus address
•
Modbus baud rate
•
Modbus stop bit
•
Modbus parity check
•
Local / Remote
Chinese; English; Deutsch;
Francais; Italiano; Espanol;
Suomi; Russian
Symbol
QFS
FU
MCCB
19
Description
The step increase is ±1%. The
default settings are –10% for LN 1
and LN 2. Set the parameter
based on site requirements.
The step increase is ±1%. The
default settings are +10% for LN 1
and LN 2. Set the parameter
based on site requirements.
The step increase is ±1%. The
default settings are –5% for LN 1
and LN 2. Set the parameter
based on site requirements.
The step increase is ±1%. The
default settings are +5% for LN 1
and LN 2. Set the parameter
based on site requirements.
Set the parameter based on site
requirements.
Set the parameter based on site
requirements.
Name
SPD circuit breaker
Fuse
Molded case circuit breaker