Renesas ZMOD4510 Manuel utilisateur

ZMOD4510 Evaluation Kit User Manual

March 4, 2020

Description

The ZMOD4510 Evaluation Kit (EVK) is designed for evaluating

Renesas’ ZMOD4510 Gas Sensor Module for Total Outdoor Air

Quality (OAQ). The device is ideal for monitoring and reporting

Total Outdoor Air Quality according to the standard of the US

Environmental Protection Agency (EPA). The Air Quality Index

(AQI) output is based on a combination of outdoor gases present,

including nitrogen oxides (NOx)and ozone (O3).

Renesas’ Gas Sensor Evaluation Software allows Windows®-

based operating systems to communicate with the ZMOD4510

EVKviaaUSBconnectionontheuser’s computer,whichfunctions

as a master. The software andadditional related documentation is

available on the IDT website.at www.IDT.com/ZMOD4510-EVK.

The EVK’s Communication Board (HiCom) handles the interface

betweentheuser’scomputerandtheZMOD4510modulemounted

ontheZMOD4510SensorBoard(i.e.,daughter board).Note:Only

one Communication Board with one Sensor Board can be

connected to the computer at a time.

The ZMOD4510 Evaluation Kit uses an FTDI controller on the

Communication Board to handle the USB protocol, translate

communications, and synchronize communications with the I2C

interface. The Sensor Boardincludes a decoupling capacitor.

The Communication Board has devices mounted on both sides.

The components on the top side generate a stable supply voltage.

A potentiometer can be used to adjust the internal supply voltage

in the typical range from 1.7V to 3.6V. Alternatively, the user’s

external supply voltage can be used. The intensity of the adjacent

LED is proportional to the supply voltage.

ZMOD4510 Evaluation Kit

Features

User-friendly EVK expedites configuration and evaluation of

the ZMOD4510 Total Outdoor Air Quality Sensor

Operates with Renesas provided software; either with

executable ZMOD4510 GUI or alternatively with firmware

programming examples for Windows®and Linux®

The modular design of the EVK allows simple connection of

Sensor Boards for differentgas sensor derivatives and easy

integration with other sensor products via the I2C interface.

The required Gas Sensor Evaluation Software is available for

free download on the IDT website, which also provides

background information on outdoor air quality and how to use

the sensor firmware

Additional pins provided to measure power consumption,

supply voltage, and the GPIO trigger for an external device

The bill of materials (BOM) andschematics for the

ZMOD4510 Communication Board and SensorBoard are

included in this document.

ZMOD4510-EVK Contents

HiCom Communication Board

Sensor Board with ZMOD4510 Gas Sensor Module

3.0m Type-B USB to Micro-USB Cable

USB Cable to Computer

HiCom Communication Board ZMOD4510

SensorBoard

ZMOD4510

ZMOD4510 Evaluation Kit UserManual

March 4, 2020

Important Notes

Disclaimer

Renesas and its affiliated companies shall not be liable for any damages arising out of defects resulting from

(i) delivered hardware or software

(ii) non-observance of instructions contained in this manual and in any other documentation provided to the user, or

(iii) misuse, abuse, use under abnormal conditions, or alteration by anyone other than Renesas.

TO THE EXTENT PERMITTED BY LAW, RENESAS HEREBY EXPRESSLY DISCLAIMS AND USER EXPRESSLY WAIVES ANY AND ALL WARRANTIES,

WHETHER EXPRESS, IMPLIED, OR STATUTORY, INCLUDING, WITHOUT LIMITATION, IMPLIED WARRANTIES OF MERCHANTABILITY AND OF FITNESS

FOR A PARTICULAR PURPOSE, STATUTORY WARRANTY OF NON-INFRINGEMENT, AND ANY OTHER WARRANTY THAT MAY ARISE BY REASON OF

USAGE OF TRADE, CUSTOM, OR COURSE OF DEALING.

Restrictions in Use

The ZMOD4140 Evaluation Kit, consisting of the HiCom Communication Board, ZMOD4510 Sensor Board, and the ZMOD4510 Evaluation Software, is designed

forevaluationpurposeonly.TheZMOD4510EvaluationKitmustnotbeusedforcalibration,test,qualification, productionorusageinsafety-criticalorlife-protecting

applications.

Important Equipment Warning: Ensure the correct connection of all cables. Supplying the board using the wrong

polarity could result in damage to the board and/or the equipment. Check that all jumpers have been placed as

specified in this document.

Contents

1. Setup............................................................................................................................................................................................................4

1.1 Required or Recommended User Equipment......................................................................................................................................4

1.2 User Computer Requirements.............................................................................................................................................................4

1.2.1Computer Requirements......................................................................................................................................................4

1.3 Software Installation and Setup...........................................................................................................................................................4

1.4 EVK Hardware Connections and Initial Power-up...............................................................................................................................5

2. Usage Guide.................................................................................................................................................................................................8

2.1 Measurement Control Block................................................................................................................................................................8

2.2 Signal Analysis Block ..........................................................................................................................................................................9

2.3 Plot Visualization Block.......................................................................................................................................................................9

2.4 Error Codes.......................................................................................................................................................................................10

3. Schematics.................................................................................................................................................................................................11

4. Bill of Materials (BOM)................................................................................................................................................................................14

5. Board Layout..............................................................................................................................................................................................16

6. Ordering Information...................................................................................................................................................................................18

7. Revision History..........................................................................................................................................................................................18

ZMOD4510 Evaluation Kit UserManual

March 4, 2020

List of Figures

Figure 1. Initial Display after Installation of the Gas Sensor Evaluation Software..............................................................................................5

Figure 2. Jumper Settings, LEDs, and Connectors on Top Side of ZMOD4510 Communication Board............................................................6

Figure 3. Jumper Settings, Connections, and Test Points on Communication Board for the Internal or External Supply Voltage.....................7

Figure 4. Initial Display for the ZMOD4510 Start-up...........................................................................................................................................8

Figure 5. Communication Board Schematic – Page 1......................................................................................................................................11

Figure 6. Communication Board Schematic – Page 2......................................................................................................................................12

Figure 7. Sensor Board Schematic...................................................................................................................................................................13

Figure 8. HiCom Communication Board Layout – Top Layer...........................................................................................................................16

Figure 9. HiCom Communication Board Layout – Bottom Layer......................................................................................................................16

Figure 10. Sensor Board Layout – Top Layer.....................................................................................................................................................17

Figure 11. Sensor Board Layout – Bottom Layer ...............................................................................................................................................17

List of Tables

Table 1. Evaluation Kit Connection Descriptions...............................................................................................................................................6

Table 2. Signal Analysis Block User Options ....................................................................................................................................................9

Table 3. Most Common Error Messages.........................................................................................................................................................10

Table 3. Communication Board BOM..............................................................................................................................................................14

Table 4. Sensor Board BOM...........................................................................................................................................................................16

ZMOD4510 Evaluation Kit UserManual

March 4, 2020

1. Setup

1.1 Required or Recommended User Equipment

By default, the internal supply voltage for powering the Sensor Board is generated from the USB voltage supplied by the user’s computer via

the USB cable. If there is a need for currents higher than the defined USB standard (usually 500mA at 5V), an external voltage supply source

can be used instead of the internally generated voltage supplyprovided on the Communication Board.

Theexternalsupplyonlypowersthesensormodules,andnotthecommunicationboarditself.Thesupplymustmeetthefollowingrequirements:

Voltage – 1.7V to 3.6V

Current must meet the user’s specifications – The minimum is 30mA for electronics with additional current needed for each gas sensor

module of approximately 11mA (with a 1.8V voltage supply).

1.2 User Computer Requirements

1.2.1 Computer Requirements

A Windows-based computer is required for interfacing with the EVK and configuring the ZMOD4510. The user must have administrative rights

on the computer to download and install the Gas Sensor Evaluation Software.

The computer must meet the following requirements:

1GB RAM

Hard drive with at least 250MB free space

1 USB port

Windows Vista®/Windows 7®/Windows 8®/Windows 10®

Internet access for initial download of the drivers and software

Important: Before installing andactivating the software, assemble and connect the hardware for the kit to the user’s computeraccording to

steps 1 through 3 in “EVK Hardware Connections and Initial Power-up.”

1.3 Software Installation and Setup

Before using the Gas Sensor Evaluation Software, the USB drivers for the FTDI device must be installed. Download the drivers and

corresponding installation guides from the FTDI website (https://www.ftdichip.com/Drivers/D2XX.htm). The drivers will not affect the operation

of any other USB peripherals. The kit does not need to be connected during installation of thedrivers.

Complete the following procedure to download and install theZMOD4510 Evaluation Software with the kit connected:

1. Download the ZMOD4510 Gas Sensor Evaluation Software zip file at www.IDT.com/ZMOD4510-EVK.

2. Create a folder on the user’s computer for the software (e.g., C:\Program Files (x86)\IDT Software). Extract thecontents of the

downloaded zip file into this folder.

3. Double-click on the extracted executable file GasSensorEvaluation.bat to start the software each time the program is used and select

the ZMOD4510 – Outdoor Air Quality option. Figure 1 shows the initial display after execution.

ZMOD4510 Evaluation Kit UserManual

March 4, 2020

Figure 1. Initial Display after Installation of the

Gas Sensor Evaluation

Software

1.4 EVK Hardware Connections and Initial Power-up

To set up the EVK hardware before using the software, complete the following procedure:

1. Refer to Figure 2, Figure 3, and Table 1 to determine the correct jumper settingsfor the ZMOD4510 Communication Board depending on

whether an external supply or the internal voltage supply on the board is used.

If the internal voltage supply isused, ensure that the jumper isacross the pins labeled “int” on the K2 connector.

If using an external supply, ensure that the jumper is across the pins labeled “ext” on the K2 connector. In this case, without

connecting the external supply to the Communication Board, verify that the external voltage supply setting does not exceed the

voltage supply specifications (i.e., a minimum of 1.7V and a maximum of 3.6V) as per the ZMOD4510 Datasheet. With the external

supply off, connect the external voltage to the 2-pin “+ - V ext” header adjacent to the K2 jumper with the orientation indicated in

Figure 3. Note: If this option is used, adjustments of the external voltage are not possible on either the Communication Board or the

Sensor Board for adjusting an external voltage supply.

2. Install the ZMOD4510 Sensor Board on the 14-pin connector on the Communication Board, taking care to ensurethe proper orientation

of the Sensor Board as shown on page 1.

3. Insert the micro-USB cable intothe X1 connector on the Communication Board and connect it to a free USB port on the user’s computer.

If the external voltage supply has been selected, turn on the external supply and verify that the D3 LED adjacent to the potentiometer is

on (see Figure 2). Note: The intensity of the green D3 LED is proportional to the supply voltage.

4. Activate the software as described in “Software Installation and Setup”.

5. If the internal voltage is used, the Gas Sensor Evaluation Software activates the internal voltage after the sensorhas been started. Use

the metal potentiometer to theleft of the K2 connector to adjust the VDD supplyvoltage in the typical range from 1.7V to 3.6Vas

measured across the V_TGT and GND pins available on theK3 connector as shown in Figure 3. Its initial adjustment on delivery

provides a voltage of VDD ≈2.0V. Once a measurement hasbeen started by the software, thegreen D3 LED adjacent to K2 will light

with an intensity proportional tothe voltage supply that was setusing the potentiometer.

6. Verify that the red D1 LED is on, which indicates that the kit is properly connected and powered (see Figure 2).

The Communication Board provides the additional K3 and Modul1 connectors for the following optional uses as described in Table1. To make

use of any of these options, contact Renesas for further instructions (see contact informationon last page).

Extra measurement options (e.g., current consumption to determine the powerrequirements of the ZMOD4510)

Connections for additional sensors (e.g., Renesas humidity sensor HS3001)

ZMOD4510 Evaluation Kit UserManual

March 4, 2020

Figure 2. Jumper Settings, LEDs, and Connectors on Top Side of ZMOD4510 Communication Board

Table 1. Evaluation Kit Connection Descriptions

Connector Type Description

K1 4-pin, 2-row header This jumper can be used to break the supply voltage line to measure the current consumption of

a connected Sensor Board. Important: During normal operation, ensure that a jumper is on the

“DMM” position as shown in Figure 2.

K2 3-pin header This jumper selects either the internal or external voltage supply. For the proper position for the

jumper, see Figure 3.

K3 8-pin, 2-row right-angle

header

This connector can be used to connect the ZMOD4510 in different configurations or to measure

the communication lines and voltages on the ZMOD4510 Sensor Board. AD5 is a GPIO pin that

can be controlled via the software.

K4 14-pin connector This is the connector for installing the ZMOD4510 Sensor Board on the Communication Board.

K5 2-pin header This is the connector for an optional external voltage supply(see Figure 3).

D1 Status LED This LED lights if the Communication Board is powered correctly (see Figure 2).

D2/AD5 Status LED This LED lights if the trigger pin is set by the software (see Figure 2).

D3 Status LED This LED will light with an intensity proportional to the internal voltage supply that was set using

the potentiometer (see Figure 2).

X1 Micro-USB B-type This is the micro-USB cable connector for connecting the Communication Board to the user’s

computer.

R19 Potentiometer This potentiometer adjusts the internal supply voltage. The internal supply voltage can be

adjusted by rotating the potentiometer with a small screwdriver.

Modul1 DIL socket This socket can be used to add external components (e.g., a humidity sensor) to the

Communication Board. For further instructions, contact Renesas.

ZMOD4510 Evaluation Kit UserManual

March 4, 2020

Figure 3. Jumper Settings, Connections, and Test Points on Communication Board for the Internal

or External Supply Voltage

ZMOD4510 Evaluation Kit UserManual

March 4, 2020

2. Usage Guide

WhentheGas Sensor EvaluationSoftware with theZMOD4510– Outdoor AirQualityoption is started,the initialwindowis displayedasshown

in Figure 4.

The initial display consists of three blocks:

Measurement Control

Signal Analysis

Plot Visualization

Figure 4. Initial Display for the ZMOD4510 Start-up

Measurement Control Signal Analysis

PlotVisualization

2.1 Measurement Control Block

The “Measurement” area of the display allows users to start the ZMOD4510’s gas measurements. When the “start sensor” button is clicked,

thebuttonnamechangesto“stopsensor”andthemeasurementstartsrunningcontinuouslywiththe givensampletime(thedefaultis1minute).

The results will be saved in a comma separated file (CSV), which is user-selected via the file and path selection dialog when the sensor is

started.

A comment (e.g., “Start test”) can be added to the data entry by adding a text string to the “Add comment to next measurement” field and then

clicking the “ok” button. If a measurement is already in progress, the comment will be added to the next measurement. The comments will be

displayed in the plot and will be saved in the CSV result file. This facilitates tracking the user’s experimental investigations. Below this entry

field, a small window with a log field shows all events logged.

ZMOD4510 Evaluation Kit UserManual

March 4, 2020

2.2 Signal Analysis Block

Table 2. Signal Analysis Block User Options

Display Section Button/Action Description

Data Source

This option allows the loading of previously recorded csv files into the EVK software

when having the same csv file column structure. This feature can also be used to

compare results of ZMOD4510 EVK software with ZMOD4510 firmware csv files.

Display

The “clear memory” button will delete all current data from the plots(memory). The data

in the measurement file will remain.

If measurements are acquired simultaneously for multiple ZMOD4510 gas sensors, the

measurement results file can contain data from different sensors. In the “Sensor” drop-

down menu, the user can choose a sensor to display by selecting the unique sensor

identification number.

The drop-down menu adjacent to the “show” button provides options for selecting the

time period for showing the recent history or the complete data. Click the “show” button

to apply new settings to the plots.

Algorithm Result

The first 60 measurements will be taken for sensor stabilization. During this time, the

“Algorithm Result” section will indicate the completion progress and continually show the

sensor resistance R_MOx. The ZMOD4510 has a sample rate of 1 minute resulting in 1

hour for the initialization measurements. This hour splits into two parts: While the first 20

minutes are without any algorithmic results, the remaining 40 minutes show a first

estimation of the “Air Quality Index” (AQI). Results will be accurate after 1 hour in

operation. Note that this does not cover the full stabilization of the sensor module. After

the stabilization measurements, the AQI isshown in six categories:

0 to 50 Good Air Quality

51 to 100 Moderate Air Quality

101 to 150 Unhealthy Air Quality for Sensitive Groups

151 to 200 Unhealthy Air Quality

201 to 300 Very Unhealthy Air Quality

> 300 Hazardous Air Quality

2.3 Plot Visualization Block

The lower half of the display provides a visualization of the data. This plot shows the AQI based on the standard of the US Environmental

Protection Agency (EPA). For additional information, including application notes, white papers and blogs, visit www.idt.com/ZMOD4510.

ZMOD4510 Evaluation Kit UserManual

March 4, 2020

2.4 Error Codes

Dueto some interferencebetweentheFTDI, Windowsoperationsystem,and thecomputer’sUSBdriver, astartupproblemmayoccuronsome

systems ifthe EVK is started ona USB 3 port. Renesas recommends usinga USB 2.x portfor the first initial startupof the EVK. Other common

error messages are explained in Table 4.

Table 3. Most Common Error Messages

Error Code Description and Solution

Cannot connect to hardware!

Have you installed the FTDI D2XX driver? Is the hardware connected?

Please check if the FTDI driver is installed properly and the hardware is

connected. Note that during the initial startup of the EVKsoftware the

HiCom must be connected to the computer.

Cannot write data file! During the measurement, the csv data file could not be edited (e.g., file

protection, missing drive)

Data not valid

The data in file %s is not valid! A csv file was loaded for analysis, which does not contain the

necessary data.

Product not supported / Wrong Device

Please use a ZMOD4510 Sensor Board.

POR event detected during measurement validation

The ZMOD4510 sensor board was restarted during the measurement

(e.g.,problemswithpowersupply,loosecontacts,electromagneticissue,

ESD)

Wrong data file!

Data file has not the right columns to store the measurements. Please

create a new data file.

The EVKsoftware tried to write measurement datato an existing csv file,

which columns structure does not fit the recent software (EVK software

version conflict).

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