Setting The Method Of Serial Communication; 3-1) Switch Settings For I2C Bus Mode - Figaro EM7162 Instruction Manual

Specifications of Measurement Data Management Software:
Supported OS:
Monitor screen display:
Data file format:
Data recording interval:
Data recording capacity:
Note 1) For specifications of the CDM7162, see the CDM7162 Product Information.
Note 2) Windows and Excel are registered trademarks of Microsoft Corporation.
Note 3) Although the operation of the measurement data management software was tested on the
above operating systems, proper operation of this software is not guaranteed.

3. Setting the Method of Serial Communication

The I2C bus or UART interface can be chosen for serial communication between the CDM7162 CO
sensor and this evaluation module.
Set the serial communication method by using the communication mode selection switches on the
EM7162 module before connecting the USB cable or the power supply.
Caution‼ Before changing the serial communication setting, be sure to turn off the power
switch (SW1) by setting it to the lower position as shown in Fig. 2.

3-1) Switch settings for I2C bus mode

Set switches SW2, SW3, and SW4 (1 to 4) as follows:
SW2, SW3:
SW4-1, SW4-2: Set to ON position
SW4-3, SW4-4: Set to OFF position
SW2
SW1
LED: TXD
LED: RXD
Caution‼ Do not change the preset positions of SW2, SW3, and SW4. Changing switch
positions may cause damage to the CDM7162 sensor.
Japanese version of Windows® 10 64-bit OS
English version of Windows® 10 64-bit OS (Note 2, Note 3)
Chart display 0~5,000ppm (Max. 65,535ppm),
CO2 concentrations (0~65,535ppm) (Note 1)
CSV file
2 seconds, 30 seconds, 60 seconds, 5 minutes, 10 minutes,
30 minutes, or 60 minutes
Measurement data for about 24 hours max. in a single file.
Set to I2C position (lower position
(upper position
(lower position
SW3 SW4
Figure 2 - I2C Communication Setting
as seen in Figure 2).
as seen in Figure 2).
as seen in Figure 2).
3
2