Our Blog

Categories

• 10 IoT Design Considerations
• 10 Things to Consider When Developing IoT Devices
• 2.4 GHz
• 2015 Best Places to Work in Illinois
• 3.3V operation
• 40
• 50 on Fire
• 802.11b/g/n
• 900 MHz
• 900MHz
• About Us
• Adam Justice
• adapter cables
• adapters
• AKCP
• ales
• AllJoyn
• Amazon
• analytics
• Android
• antenna
• antenna design
• antennas
• Anthem Inc.
• AP
• AP+STA
• API
• app
• Apple
• Apple HomeKit
• Appliance Design
• appliance manufacturers
• applications
• APPNATION
• apps
• April
• April Fools
• April Fools Day
• April Newsletter
• April Showers
• arbitration process
• Arduino
• ARM Cortex M4F
• Arrow
• ASIC
• AT+
• ATC
• Atlanta
• Atmel
• August
• authentication
• automation
• automotive
• automotive industry
• awards
• Back to the Future
• bags
• bar graph
• baseband processor
• Battery Powered WiFi Serial Adapter
• Best Companies Group
• Best Places to Work
• Best Places to Work in Illinois
• Big data
• Bill Wong
• Black Friday
• BLE
• BluePlug
• Blueport XP
• Bluetooth
• Bluetooth Low Energy
• bonaverde
• Boston
• Brain's Chicago Business
• Bridge 802.11
• bridge antennas
• bridges
• Brillo
• Brittney Borowicz
• Budd Justice
• build
• Building
• building automation
• buildings
• business
• Business and Apartment Management
• Business Development
• business leaders
• Business Ledger
• C++
• CA
• cabling
• California
• CAN
• CAN 2.0
• CAN Adapter
• CAN FD
• CAN Interface Adapter
• CAN Networks
• CAN Protocol
• CAN USB FD Adapter
• CAN USB PRO FD
• Canada
• CANbus
• CANopen
• CE
• CE Certified
• CEA
• cellular carriers
• cellular network
• CEOs
• certifications
• CES
• CES 2015
• Chicago
• Chicago Fest
• Chicago's Coolest Companies
• ChicagoInno
• Chicagoland
• China
• chip
• chips
• Christmas
• circuit board
• Cisco
• civic professionals
• class
• Classic CAN
• client services
• Cloud
• cloud applications
• cloud computing
• cloud service
• clout
• CNET
• ComBricks
• Communications Act
• community
• company
• company culture
• conference
• configuration utility
• connected
• Connected Consumer
• connected devices
• connected future
• connected home
• connected products
• connected things
• Connected World Magazine
• connection
• connectivity
• connectors
• ConnectSense
• ConnectSense Smart Outlet
• Consumer
• consumer electronics
• Consumer Electronics Association
• Consumer Electronics Show
• consumer IoT
• consumers
• Contact
• contest
• Coolest Companies
• cord
• coupon
• Crain's
• Create Cut Invent
• Cristian Codreanu
• crowdfunding
• culture
• Custom
• custom engineering
• customer service
• customers
• Cyber Monday
• Cyber Security
• Cypress
• CYT-133SC
• Daily Herald
• Daily Herald Business Ledger
• data
• data analytics
• data ownership
• data privacy
• data security
• Data Theft
• data transfer
• deal
• December
• Dennis van Booma
• design
• Developer
• development
• device power
• Device Server
• DeviceNet
• Dial Switch
• Digital Acoustics
• DIP
• Discovery
• Discovery Channel
• distributor
• DIY
• DIY Home Security
• echI
• ECN Magazine
• Ecobee
• Ecosystems
• Edge
• Edge IoT
• EDN
• education
• EEA
• elderly
• electrical engineering
• electronic data exchange
• Electronic Design
• embedded
• Embedded Computing Design
• embedded module
• embedded networking
• employee benefits
• Employee Spotlight
• employees
• encryption
• end-to-end encryption
• engineer
• engineering
• engineerings
• engines
• entrepreneur
• Entrepreneurial Excellence Awards
• entrepreneurs
• entrepreneurship
• ESC Boston
• Espressif
• Ethernet
• Ethernet IEEE 802
• Ethernet MAC
• ethernet to wi-fi
• Ethernet-to-WiFi Router/Bridge
• Eureka Park
• Events
• Exelon
• expert support
• exploring
• external antennas
• factory
• FAQs
• Fast Data
• Father's Day
• FCC
• Featured In
• fiber ports
• FireFly
• Fireplug
• firmware
• FIRST Midwest Regional
• FIRST Robotics Competition
• fishing
• Flash memory
• Flexible Data
• Flexible Data Rate
• flood
• floodwaters
• Flow Control
• food
• forest preserves
• Gartner
• General
• Georgia
• Germany
• gigabit ethernet
• gigabit switches
• Gizmodo
• Glenn Rodgers
• Global Internet of Things Day
• Google
• Google Glass
• GoPro
• Gorilla
• Gorilla Commerce
• government
• GPS readers
• graphic panels
• Grid Connect
• GRID32
• gridARM
• GRIDHD
• grounding
• GSD
• GSD directory
• GSD files
• GW
• Halloween
• hardare
• hardware
• harware
• Hassan Bawab
• healthcare
• HF-A21
• high performance modules
• high school
• high speed UART
• high tech homes
• High-Flying
• hire
• hiring
• holidays
• home
• home automation
• home automations
• HomeKit
• how to
• HRMAC
• Hubs
• human connection
• human interaction
• Human Resources Management Association of Chicago
• Huskie Robotics
• I2C
• IDEA Award
• IDTechEx
• IEEE
• IIC
• IIoT
• Illinois
• In The News
• in-vehicle communication
• incubators
• Industrial
• industrial ethernet
• industrial ethernet adapter
• industrial ethernet fieldbus
• Industrial Internet Consortium
• Industrial Internet of Things
• Industrial IoT
• industrial networking
• industrial revolution
• Industrial Switch
• Industrial Switches
• Industrial Wireless Access Point
• industry
• Industry 4.0. Machine
• information
• Information Technology
• Infrastructure Station
• Init ProfiCore Ultra
• innovations
• innovators
• Intel
• inter web
• Interactive Media Award
• Intercom
• Internal chip
• internal machine communication
• International CES
• International Wireless Communications Expo
• internet
• Internet connection
• Internet of Everything
• Internet of Things
• Internet of Things Applications
• Internet of Things Consortium
• Internet of Things Developers Conference
• Internet of Things North America
• Internet of Things West
• Internet of Things World
• internet service provider
• Internet Society
• Internship
• interoperability
• interview
• Interviews
• inventory
• investors
• IoE
• ios
• iOS Developer
• IoT
• IoT blogs
• IoT cloud
• IoT Day
• IoT design
• IoT DevCon
• IoT devices
• IoT event
• IoT hype
• IoT Inc Business Show
• IoT Influencers Summit
• IoT Live
• IoT NA
• IoT North America
• IoT standards
• IoT Summit
• IoT World
• IoTDay
• IP Intercom
• IP address
• IP technology
• IP7-SE8
• IPEX/U.FL antenna connector
• IPEX/U.FL connector
• IPSO
• IPSO Alliance
• IPv4
• IPv6
• Iris
• ISO 11898
• ISO9000
• ISP
• IT
• IWCE
• J1939
• Jason Johnson
• job
• jobs
• Jobs To Be Done
• Joe Duncan
• John Marchiando
• joke
• Jon
• Jonathan
• JTBD
• Kevin Ashton
• Kickstarter
• knowledge
• Kris Bowring
• Lantronix
• Las Vegas
• layout
• LED strings
• Levi's Stadium
• Lextech
• LIN
• Linux Operating System
• live swap
• local chip antenna
• Logitech
• Long Beach
• Low Cost High Performance MCU
• Lowe's
• Lucent
• M2M
• machine to machine
• Magic Logix
• managed switches
• manufacturer
• manufacturers
• manufacturing
• March
• Margery Conner
• Mark Rowzee
• Mark Spates
• Marketing
• marketings
• marriage
• Mary Miller
• Mashable
• master
• medical
• MEMS
• mentor
• messages
• metal
• Mexico
• Microchip
• microprocessor
• Mike Justice
• mobile
• modbus
• modbus explained
• modbus rtu
• modbus tcp
• modbus tutorial
• modbus/tcp
• modules
• Molex
• monetizing the IoT
• Monster
• Motorola
• MRA
• Naperville
• Naperville Central
• Naperville North High School
• Naperville Sun
• Nashville
• NAT
• Navistar
• NDP
• Near Field Communication
• Neighbor Discovery Protocol
• Nest
• net neutrality
• NET232
• NET232jr
• NET485
• NetDirect
• Netflic
• network
• Network Address Translation
• Network capabilities
• network range
• Network Standards
• networked society
• networking
• networking products
• networking protocol
• networking stack
• networks
• New Orleans
• newsletter
• Newsletters
• NFC
• NNHS
• non-profits
• North America
• November
• NRE
• NXP
• Oak Brook Chamber of Commerce
• october
• OEM
• Office Manager
• OIC
• OLMs
• Olympics
• Olympics 2016
• Open Interconnect Consortium
• OpenHack
• operational technology
• os
• oscilloscope
• OT
• oT data
• packaging
• panel picker
• parallel port
• partners
• PCAN
• PCAN USB
• PCAN USB FD adapter
• PCAN-Light
• PCAN-Router FD
• PCAN-USB FD
• PCAN-USB-PRO
• PCAN-View
• PEAK
• Peak-System
• PEAK-System Technik
• pedometer
• Peggy Smedley
• Phoenix
• Phoenix Contact
• PI
• ping pong
• ping pong champion
• pingpong
• platform providers
• PLC
• PLIN
• PLIN-API
• PN1750
• podcast
• PoE
• PoE powered devices
• PoE splitters
• PoE switches
• power amplifier
• power monitoring
• Power-over-Ethernet
• predict
• press release
• Press Releases
• private-labeled
• PROCENTEC
• Product development
• product engineering
• product manager
• production
• Products
• professors
• PROFIBUS
• PROFIBUS Guide
• PROFIBUS repeater
• PROFIBUS Trad Organization
• PROFIBUS training
• Profibus Troubleshooting Toolkit Ultra Plus
• PROFIBUS/PROFINET
• ProfiCaptain
• ProfiCaptain 2
• profichip
• ProfiCore Ultra
• ProfiHub
• ProfiHub A5
• ProfiHub B5
• PROFINET
• PROFINET Training
• ProfiSwitch X5
• ProfiTrace
• ProfiTrace 2
• ProfiTrace 2 Analyzer
• ProfiTrace software
• programming
• promo code
• Protocol
• prototype
• PRWEB
• PTO
• QoS
• Quick Panel HMI
• RAM memory
• RE.WORK
• REAL ESTATE
• Real Humans Expert Support
• Remote Audio Surveillance
• Remote Firmware
• Renesas
• resolve
• retirement
• retrofit
• RF transceiver
• RFID
• Rick Rockershousen
• Rio Summer Olympics
• Rival Protocols
• RJ45
• RN340
• RN370
• robot
• robots
• RoHS
• RoHS compliant
• router
• Routers
• RS-232
• RS-422
• RS-485
• rs232
• sale
• sales
• Samsung
• San Francisco
• San Fransisco
• Santa Clara
• Santa Clara Convention Center
• Savings
• Schlage
• science
• Scopeware
• Secret Santa
• security
• seminars
• SensorProbe2
• Sensors
• Sensors Expo
• Serial
• Serial Adapter
• Serial Communications
• serial devices
• serial port devices
• Serial to Bluetooth Adapter
• Serial to Ethernet
• Serial to Ethernet Cable
• serial to wi-fi
• Serial UART
• shielding
• shipping
• Siemens
• signal analysis
• SMA antenna connector
• SMA connectors
• small business
• smart cities
• Smart City
• smart device
• Smart Devices
• smart home
• smart home tech
• smart homes
• smart house
• Smart Link
• smart metering
• smart outlet
• smart phone
• smart products
• smart tech
• smart technology
• smartphone
• SMT
• social media
• social web
• soft access point
• software
• software engineering
• SPI
• sports
• SSL
• STA
• STA / AP / AP+STA Modes
• standards
• startup
• startups
• Stuart Lombard
• Sudhakar Marthi
• surface mount
• surveillance
• surveillance technology
• Switches
• SxSW
• syncs
• Synergetic
• table tennis
• Talkmaster Software
• Team 3061
• team spirit
• tech
• tech hub
• Tech Support
• Technical Support
• technical writer
• technology
• telephone
• temperature
• testbed
• The Future
• Theodore Levitt
• Thread
• Thread Group
• Thread protocol
• time-sensitive networking
• topology scan
• toshiba
• Total Control
• trade show
• tradeshows
• training
• transmission of data
• transmission range
• troubleshooting
• TSN
• ugly sweaters
• UL
• unlimited vacation policy
• unmanaged switches
• usb
• USB Port
• vacation
• vehicle
• Vice President of Marketing
• Video
• Warrenville
• weather
• Weave
• web page
• Webinar
• website
• WebVision
• WEP / WPA / WPA2 security modes
• what you need to know about the internet of things
• white paper
• White Papers
• Wi-Fi
• Wi-Fi bridges
• Wi-Fi modules
• Wi-Fi protocol
• WI232
• wifi
• WiFi bridges
• WiFi Serial Adapter
• windows
• Wireless
• wireless firmware
• Wireless MAC
• wireless modules
• wireless networking
• wireless sensors
• Wireless Serial
• wireless serial adapter
• wood
• work
• Workforce Boards of Metropolitan Chicago
• Works with Nest
• world
• xpdnc2000-01
• xPico
• xPort
• XPort Direct+
• Z-Wave
• ZigBee
• ZOHO Corporation
• ZPort Pro
• See all

Grid Connect is a World Class Manufacturer

Aug 17, 2015

Grid Connect Inc. is an ISO 9001-certified, world-class quality manufacturer. Our chips, modules and products are used by thousands of companies around the world to provide a network connection to their devices. All of our products are designed, assembled, programmed and tested in Illinois, USA. All final tests, firmware loading and packaging is done at Grid Connect in Naperville, Illinois.

• 900MHz
• BLE
• Bluetooth
• CANbus
• chips
• connection
• Custom
• development
• DeviceNet
• Ethernet
• firmware
• General
• Grid Connect
• hardware
• I2C
• Illinois
• manufacturer
• manufacturing
• modbus
• modbus tcp
• modules
• Naperville
• network
• NRE
• packaging
• private-labeled
• PROFIBUS
• PROFINET
• RS-232
• RS-422
• RS-485
• software
• SPI
• Wi-Fi
• wifi
• ZigBee

MODBUS in a Nutshell

Apr 11, 2013

MODBUS may seem complicated and confusing to some, but it is a very simple protocol when you understand how it works. MODBUS is a request and response protocol. A MODBUS master will initiate a request and a slave will respond with either an error or the data requested. This is the simple concept of MODBUS.

• General
• modbus
• modbus explained
• modbus rtu
• modbus tutorial
• modbus/tcp
• Products