A-033
HYW3
Series Intelligent Universal Circuit Breaker
A
Primary power distribution
Mic2.0, Mic5.0 multifunctional controller interface symbols, indicator lights and key descriptions
No.
Symbol/Name
Definition
1
In
Circuit breaker rated current
2
Liquid crystal display
All measurement parameters, system setting parameters, protection setting parameters and other information are
displayed in Chinese.
3
“Fault/Alarm” indicator light
During the normal operation, the “Fault/Alarm” indicator light does not light up; when the “Fault/Alarm” indicator light
flashes, the system must have failed.
4
“Normal” indicator light
After the controller is powered on, the “Normal” indicator light shall always flash. If the light is not on, the controller is not
operating properly and shall be replaced immediately.
5
“Reset” key
Reset and enter the initial operating state in the fault tripping or alarm state.
6
“Ir” indicator light
When setting the current protection parameters, the “Ir” indicator light always on indicates that the long delay protection
current value is being set.
7
“Tr” indicator light
When setting the current protection parameters, the “Tr” indicator light always on indicates that the long delay protection
current value is being set.
8
“Is” indicator light
When setting the current protection parameters, the “Is” indicator light always on indicates that the short delay inverse
time protection current value is being set.
9
“Isd” indicator light
When setting the current protection
parameters, the “Isd” indicator light always on indicates that the short delay fixed
time protection current value is being set.
10
“Tsd” indicator light
When setting the current protection parameters, the “Tsd” indicator light always on indicates that the short delay fixed
time value is being set.
11
“Ts” indicator light
When setting the current protection parameters, the “Ts” indicator light always on indicates that the short delay inverse
time value is being set.
12
“Ii” indicator light
When
setting the current protection parameters, the “Ii” indicator light always on indicates that the instantaneous
protection current value is being set.
13
“Tg” indicator light
When setting the current protection parameters, the “Tg” indicator light always on indicates that the grounding fault
delay time value is being set.
14
“Ig” indicator light
When setting the current protection parameters, the “Ig” indicator light always on indicates that the grounding fault
protection current value is being set.
15
“Setting” key
Quickly switch to the main menu of “System Settings”
16
“Measurement” key
Quickly switch to the main menu of “Running Parameters”
17
“Protection” key
Quickly switch to the main menu of “Protection Settings”
18
“Information” key
Quickly switch to the main menu of “Information Inquiry”
19
“Up” key
Move the cursor up, or change the selected parameter up, or position the display to the left
20
“Down” key
Move the cursor down, or change the selected parameter down, or position the display to the right
21
“Enter” key
Enter the next menu pointed by the current cursor, or select the current parameter, or save the changes.
22
“Return” key
Exit the current menu and enter the previous menu, or cancel the modification of the current parameters.
23
Test interface
Interface between programming and communication
24
“Communication” indicator
light
The “Communication” indicator light on means that communication data is being transmitted, and off means that there is
no communication data.