Schematic

12/24V
GND
Vin
GND
Vin for all isolated Digital/PWM outs
MISO
MOSI
RESET
5V
B
A
RX
TX
SDA
SCL
DE
I2C
GND
SCK
I2C
RS232
RS232
RS485
RS485
Q0.1
RS485
Q0.2
RS485
Q0.1
Q0.2
Q0.3
Q0.4
Q0.5
Q0.6
Q0.0
RE
POWER
ARDUINO PIN
ARDBOX FUNCTION
SWITCH CONF.
ISOLATED
DIGITAL OUT
DIGITAL/PWM OUT
ANALOG OUT
DIGITAL/ANALOG IN
DIGITAL IN
Vout = Vin
Imax = 0.3 A
0 to 10V
I2C
I2C
RS232
RS232
RS485
RS485
SPI
SPI
SPI
SPI
RS485
RS485
ANALOG IN 0-10V
imput impedance 39K
DIGITAL IN 0 - 24 V
ANALOG/DIGITAL CONFIGURATION SWITCH
COMUNICATION SWITCH
COMUNICATION SWITCH 2
www.industrialshields.com
Download the user guide and examples from:
Industrial Shields
20 I/Os Analog
GND
24V
I0.9
I0.8
I0.7
I0.6
I0.5
I0.4
I0.3
I0.2
I0.1
I0.0
RX-D1/Q0.8
TX-D0/Q0.9
SDA-D2/I0.0
SCL-D3/Q0.6
MISO
MOSI
SCK
RESET
5V
GND
B
A
RX
TX
DA-PIN2
SCL-PIN3
RE-D4/I0.3
DE-D7/Q0.7
RS485
RS232
RE-D4
DE-D7
Q0.1
Q0.2
DI
RO
0.8 0.8
0.6
0.4
0.0
0.2
Dig.An. In
Q
0.6
0.4
0.0
0.2
0.9
0.7
0.5
0.3
0.1
0.9
0.7
0.5
0.3
0.1
Dig. Out
POWER
RESET
A0.0
A0.1
A0.2
A0.3
A0.4
A0.5
A0.6
QO.7
QO.8
QO.9
QO.O
QO.1
QO.2
QO.3
QO.4
QO.5
QO.6
IO.9
IO.8
IO.7
IO.6
IO.5
IO.4
IO.3
IO.2
IO.1
IO.O
interrupt 1 (0-24v)
13
11
10
9
6
5
3
7
1
0
13
11
10
9
6
5
3
1
0
2
3
7
4
2
12
8
4
A5
A4
A3
A2
A1
A0
interrupt 4 (0-5v)
interrupt 0 (0-5v)
interrupt 1 (0-5v)
RS232
TX
RX
RS485
A
B
DE
RE
RO
DI
¡ See switch configuration !
1
0
11
4
7
10
RX
TX