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DL28 Installation and User Manual
DL28 has modular design, consisting of four boards: processor board, communication board,
M-Bus board and base board connecting all of them into single unit. All communication ports are
galvanic isolated, the same applies to power supply connector.
Figure 4. DL28 block diagram
14.05.2013.
3.
PROCESSOR BOARD
COMMUNICATION BOARD
M-BUS BOARD
BASE BOARD
DUART
UART0
UART1
UART2
UART3
UART4
I2C
CARD
USB1
USB2
ETH
USB0
S1
S2
S3
I/O
DUART
UART0
UART3
UART4
S4
S5
S6
UART1
UART2
+3V, +5V
PWR