7A
7B
GND
GND
GND
PWR
GND
D
AT
A
1
CLK1
ERR1
BZ1
D
AT
A
2
CLK2
PWR
D
AT
A
3
CLK3
D
AT
A
4
CLK4
485+ TXD1
485- RXD1
TXD3
RXD3
OK2
OK1
ERR2
BZ2
EN
EN
12Vdc (Red)
12Vdc (Red)
RS485 RXD (Blue)
RS485 TXD
(Yellow)
GND (Black)
GND (Black)
Recommended power supply
• 12Vdc ±10%, at least 500mA;
• Comply with the IEC/EN 60950-1 standard;
• To share power with other devices, use a power supply with higher current
ratings.
Nº
PIN DESCRIPTION
WIRE
1
+12Vdc
Red
2
GND
Black
FA3
MPXR92MWSBE
MPXR92MWSBE
05. CONNECTION SCHEME
CONNECTION TO MRAC CONTROL BOARD
05. CONNECTION SCHEME
EXTERNAL POWER CONNECTION
RS485 RXD
(Blue)
RS485 TXD (Y
ell
ow)
MRAC
MRAC
CONTROL
BOARD
