7A
7B
EN
EN
05. CONNECTION SCHEME
CONNECTION TO MRAC CONTROL BOARD
05. CONNECTION SCHEME
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
EXTERNAL POWER CONNECTION
12Vdc (Red)
12Vdc (Red)
RS485 RXD (Blue)
RS485 TXD
(Yellow)
GND (Black)
GND (Black)
Recommended power supply:
• 12Vdc ±10%, at least 500mA;
• Comply with 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
MRAC
RS485 RXD
(Blue)
RS485 TXD (Y
ell
ow)
MRAC
CONTROL
BOARD