2-22
J4, connect
to encoder
J6,connect to auxiliary
lighting board
J5, connect to
touchscreen
J1, connect to
mother board
J3,connect to screen
backlight port
J2,connect to
alarm light board
J7, connect to EFCS
encoder
Definition of key control board J1 (port connected with mother board)
Pin No. Signal Name Discription
1)
12VA_AUX_Light
Light board, 12 V supply
2)
SCL_CPU Main control board IIC clock signal
3)
GND Ground
4)
SDA_CPU Main control board IIC data signal
5)
TXD_ENCODER Flowmeter knob series port sends sigal
6)
TXD_KEY Key board series port sends signal
7)
RXD_ENCODER Flowmeter knob series port receives sigal
8)
RXD_KEY Key board series port receives signal
9)
GND Ground
10)
5V_Touch_screen
+5V supply
11)
GND Ground
12)
3V3_Keyboard
+3.3V supply
13)
BCON Backlight enable signal
14)
DIMMING Backlight brightness adjustment signal
15)
12VA
12V supply
16)
GND Ground
17)
12VA
12V supply
To Next Page
Loading...
