f103rbt-8di-6do-3ai-232

STM32 INDUSTRIAL CONTROL BOARD

Pin mapping for STM32 based industrial control boards advertised as compatible with FX1N, FX2N, FX3U PLC software. Usually encased in din rail mountable enclosures.

F103RBT-8DI-6DO-3AI-232

Top view	Bottom view

Board top view	Board bottom view

Processor part number

Features

FEATURE	VALUE
Processor	STM32F103RBT
Power Input	24 VDC
Digital Inputs	8 optically isolated
Digital Ouptuts	6 relay
Analog inputs	3 non isolated, resistor divisor 15K/30K
Serial port	RS232

Pinout

BOARD FUNCTION	PROCESSOR PIN
RUN LED	PB12
ERROR LED	PB13
RS232 TX	PA9
RS232 RX	PA10
RUN/STOP SWITCH	PC9
X0	PA0
X1	PA1
X2	PB9
X3	PA6
X4	PA7
X5	PB5
X6	PB4
X7	PD2
Y0	PB8
Y1	PB1
Y2	PB10
Y3	PB0
Y4	PC5
Y5	PC4
AD1	PC1
AD2	PC2
AD3	PC0

4 pin header
3.3V
PC11
PC10
GND