Huawei UPS5000-E Series - Page 188

UPS5000-E-(50 kVA-300 kVA)
User Manual (50 kVA Power Modules)
4 User Interface
Issue 11 (2019-12-20)
Copyright © Huawei Technologies Co., Ltd.
178
Item
Description
Default
Value
Value Range
High ambient
temperature
alarm
threshold (°C)
An alarm is generated when the
ambient temperature reaches or
exceeds the threshold specified by
this parameter.
55
40–60
Low ambient
temperature
alarm
threshold (°C)
An alarm is generated when the
ambient temperature is lower than the
threshold specified by this parameter.
–10
–20 to 0
EPO detection
Indicates whether to enable
emergency power-off (EPO). EPO is
performed only when this parameter
is enabled and the EPO switch is
triggered.
When EPO detection is changed
from Disable to Enable, check that
the EPO cable is connected correctly.
Enable
Disable,
Enable
Bus capa. life
If this parameter is set to Enable, the
UPS detects the bus capacitor
lifespan.
Disable
Disable,
Enable
Paral. sys.
hibernate
When customer loads are light,
enable parallel hibernation to
alternate modules in hibernation
mode, which can prolong their
service life and improve the system
efficiency.
Disable
Disable,
Enable
Module cycle
hiber. period
(d)
Indicates the rotation interval of
modules in hibernation mode. The
default value is 30, which means that
the hibernating module is rotated
every 30 days.
30
1–100
D.G. ECO
bypass supply
Indicates whether ECO bypass is
allowed to supply power in D.G.
mode. When the D.G. is connected to
the dry contact signal GEN:

If this parameter is set to Enable,
the system can enter ECO bypass
mode when the D.G. supplies
power to the bypass and the ECO
function is enabled.

If this parameter is set to Disable,
the system is not allowed to enter
ECO mode when the D.G.
supplies power to the bypass.
Enable
Disable,
Enable
RAM
verification
Enable or disable the memory check
function. If this parameter is set to
Enable, the control chip RAM
Disable
Disable,
Enable