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Industrial Networking Training Videos

This industrial networking series of eighteen tutorial videos introduces how networks communicate; industrial networking protocols such as RS-232, RS-422, RS-485; the media and hardware needed for industrial networking; the basics of Ethernet; the Seven Layers of Ethernet; physical layers of Ethernet; and Ethernet security.

Long-time automation trainer Doug Bell, Interconnecting Automation, covers the basics, protocols, and setup of Industrial Networking with AutomationDirect’s Chris Harris. This video is produced by CFE Media to be noncommercial and educational.

Quizzes are available for each video along with a certificate of completion for the series, for continuing education units. Total runtime for the 18 videos: About 90 minutes.

Industrial Networking Training Videos
Industrial Networking: Introduction to Networking
Doug Bell introduces Chris Harris. Networks communicate in several ways including by wire, wireless, and fiber optics. Various standards such as RS-232, RS-422, RS-485 and Ethernet come with the...

Industrial Networking: Basics of RS-232
The RS-232 standard allows for communication between two devices in either a master-slave or master-master configuration. A master-master configuration does not require the cables to be changed...

Industrial Networking: RS-232 Media and Hardware
All types of connectors are found with RS-232 with no set standard, zip links are a solution especially in long distance (up to 50 feet) applications. DTE and DCE devices require different wiring...

Industrial Networking: Networking Protocol Basics
A compatible wiring scheme does not mean two devices can communication with each other, they need the same language. In a network, there must be a device that produces a signal for the network to...

Industrial Networking: Basics of RS-422
The RS-422 standard allows use with up to 11 devices and 4000 feet of wire. The standard is commonly confused with RS-485 and can even work with RS-485 devices. RS-422 is not widely...

Industrial Networking: Basics of RS-485
RS-485 allows for connection of up to 32 devices and 4000 feet which can be extended with a repeater. Each device has its own station (node) address set by software. Multiple ports on a device allow...

Industrial Networking: RS-485 Media and Hardware
RS-485 can be connected in a 2 or 4-wire configuration depending on the hardware of the device. Electrical noise causes problems when sending over long distances so grounded wire shielding and...

Industrial Networking: RS-232 to RS-485 Converter
A RS-232 device with a node address can be put on a RS-485 network with proper convertors. Devices in a network can run from 1200 baud to 115 kbaud, however all devices must be running at the same...

Industrial Networking: Networking Protocols Demonstrated
A protocol is the language that devices speak with a given pattern. The devices send on/off pulses grouped into bytes, the first of which in a MODBUS string, says which device it is speaking to....

Industrial Networking: Basics of Ethernet
RS-485 is basically only a master-slave situation unless complicated token passing scheme is used. Ethernet allows for multiple devices to initiate a message and share another device...

Industrial Networking: Seven Layers of Ethernet
The term client-server is used over master-slave because of different roles devices can take on. The OSI Seven Layer model where Ethernet is explained graphically describing the layers a message has...

Industrial Networking: Ethernet Physical Layer
Hardware cable with speeds up to 1 Gigabit/second, pricey fiber optics and wireless are types used in the physical layer. Ethernet hubs broadcast the same signal to all devices connected to it while...

Industrial Networking: Ethernet Data Link Layer
The operating system broadcasts an ARP message asking for each device’s MAC address because only the IP address is given. Ethernet networks use a CSMA/CD protocol where devices wait to send...

Industrial Networking: Ethernet IP Addressing
IP addresses, given statically or by a server, are intended to logically separate a network. The subnet mask determines which part of the IP address is the network number or node number. A DNS...

Industrial Networking: Ethernet TCP vs UDP
TCP and UDP belong in the transport layer of the Seven Layer model. In TCP, when a device sends out a message the other device sends a message back, while in UDP the message is sent out with no...

Industrial Networking: Ethernet Messaging Basics
The operating system creates a protocol (MODBUS) message from what the operator asks. Then, using the TCP or UDP, the operating system adds the TCP/UDP header. Finally, the IP address and MAC address...

Industrial Networking: Ethernet Monitoring Messages
Wireshark helps troubleshoot and set up an Ethernet network. Using a mirrored port on a managed switch, Wireshark monitors the traffic going through the mirrored port. From this the user can see what...

Industrial Networking: Ethernet Security
Industrial control products need to be protected with a firewall and VPN just like a computer. Never put a device directly on the internet. A VPN router allows for a secure connection for...

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