Hardware Introduction
2-3
The transducer board consists of transducer sockets A and B, 128 channel alternative relay,
transducer and board ID output circuit, relay control circuit and power filter circuit.
2.2.3. Connection Board
The connection board provides connection platform for the main board, transducer board,
power supply board, keyboard, fans, peripherals and output interfaces and is convenient for
tests of input and output signals on boards. The board, which is grounded well and conforms
to the requirements of EMC, can filter differential mode and common mode noise. DP-9900,
DP-9900Plus and DP-8800Plus all use the board.
The diagram of the connection board is shown as follows.
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