Alpha Technologies Cordex CXCRF 48-300W - Manual (Page 14)

0300072-J0 RevA Page 10 of 46
2.6.3 System controller (MCU with LCD screen)
Figure 6 : System controller
This controller board offers the same functions as the low profile MCU. Connectors for digital inputs and alarms
(signals IN/OUT) are located at the back of the shelf.
2.6.3.1 LCD
SCREEN
The LCD screen displays the values of:
• DC bus voltage [V]
• Total rectifier output current [A]
• Battery current [A]
 + = Charging
 – = Discharging
2.6.3.2 LED M
ODE
I
NDICATORS
The LEDs indicate the mode of the three possible measurements.
• V for DC bus voltage
• Ir for total rectifier output current
• Ib for battery current
2.6.3.3 M
ODE
P
USH
B
UTTON
By pressing the push button, the user can scroll to the three different measurement modes.
2.6.3.4 LVD
DISCONNECTED
This button has no function in the 48-300W Modular Switched Mode Rectifier System energy system.