Arduino 4-20 mA + RTC Shield User’s Manual
Luis
Thayer
Ojeda
0115
Of.
402
▪Santiago, Chile ▪Tel. +56 2 3339579 ▪[email protected] www.olimex.cl
5 SHIELD INSTALLATION
Before starting to work with the Arduino 4-20mA + RTC Shield, the following
installation procedure must be done:
A. Position the Shield as shown in figure 3.
a. Note that the pin headers that connect the Shield to the Arduino
have only one position.
B. Connect the Shield to the Arduino main board.
C. Connect the Jumpers depending on the transmitter type.
a. For type 3 transmitters connect Jumpers W1-W4 depending on the
channels to be connected.
b. For type 2 and 3 transmitters disconnect the Jumpers W1-W4
depending on the channels to be connected.
D. Connect the 4-20mA current signal to the desired channel.
E. If required, connect the sensor supply voltage to the V OUT terminal.
F. Connect the Arduino main board to the PC using the USB cable.
G. Connect the Arduino main board 9-12 [VDC] 600mA power supply.
H. Run the test Sketch available on the website.
