34 Chapter 5 Operating SCU
ACTURA Flex 48330 Power System User Manu al
Chapter 5 Operating SCU

5.1 Operation Panel

SCU has a LCD with backlight, keys, LEDs and a latch, as shown in Figure 5-1:
M500D
ESC ENT
告警指示灯
紧急告警指示灯
液晶显示屏
功能操作键
Run indicator
A
larm indicator
Critical alarm indicator
LCD
Functional keys
Figure 5-1 SCU Front Panel
Functions of LED indicators are illustrated in Table 5-1
Table 5-1 Functions of LED indicators
Indicator Normal state Fault state Fault cause
RUN (Green) On Off No operation power supply
Alarm (Yellow) Off On There are observation alarms
Critical alarm (Red) Off On There are major or critical alarms
SCU controller uses a 128×64 dot-matrix LCD unit. It has 6 functional keys. Its
interface is easy-to-use and supports multi-language display. The panel of the
controller is easy-to-remove. The functions of these 6 keys are shown in Table 5-2:
Table 5-2 Functions of SCU keys
Key Function
ESC Return to the upper level menu.
ENT Enter the main menu or confirm the menu
operation
Pressing ESC and ENT simultaneously
can reset the monitoring module
“” and
“” Shift among parallel menus or parameters.
“” and
“”
Change values at a value setting interface.
At the first page of system information, use
these two keys to change LCD contrast.
To change a character string whose
digits needs setting separately, use
““ and ““ to move the curso left or
right, or “” and “” to set each digit.