The ControlLogix Chassis is the physical device in which the I/O Modules, Communication Modules, and Power supply are placed into. The chassis is available in five different sizes: 4-slot, 7-slot, 10-slot, 13-slot, and 17-slot. You may have other types of chassis in your system besides ControlLogix, such as Flex, SLC, and PLC chassis. The ControlLogix…
The processor is the main part of your ControlLogix system. The processor is where the program is stored that reads the status of your equipment, and based on certain status, makes a decision on what to control.
The power supply supplies power to the modules on the backplane. Generally power from field devices DOES NOT come from the power supply. The power supply only provides control power to modules on the backplane. Power for field devices come from a separate source which is connected to the output module. The power supply merely…
The purpose of the discrete output module is to control field devices. Discreet (digital) output devices only have two states: On or Off The discrete output module requires power from an external source. When a 1 is placed into the output tag of the ControlLogix (in run mode), a status light is energized on the…
The purpose of the discrete input module is to read the status of field devices which have just two states: On or off. When a voltage is detected on the terminal of an input module with respect to common, the corresponding status light is energized, and during the processor scan, the value of 1 is…
The procedure for online editing is very similar in the PLC-5, SLC-500, and ControlLogix. There are five basic steps in performing an online edit: 1) Start Rung Edits (Place the rung into edit mode) 2) Make your changes to the rung 3) Accept Edits (Send the edits to the processor) 4) Test Edits (Ensure your…
The RSLinx Backup Restore Utility will allow you to easily backup your driver configuration. There are several reasons, you may want to use this utility… Remember, you may have several drivers configured with many IP Addresses or Host Names under each driver. A) If you get a new laptop into your shop, you may want…
A new Ethernet module (such as the 1756-ENBT) has no initial IP Address. When replacing an Ethernet Module, there are a couple methods that are normally used to issue this IP Address. One way would be to configure the DF1 Driver (or a driver to another communication module), and in RSWho, browse across the backplane…
The “Ethernet Devices” Driver can be set up in RSLinx to communicate with Ethernet devices such as a ControlLogix Ethernet module, SLC 5/05 processor, an Ethernet PLC-5 processor, and many others. The advantage of Ethernet (vs. DF1) is the the communication speed is generally much faster. For example: If we flash a ControlLogix processor over…
The RSLinx DF1 Driver can be used for point to point communication between your workstation and an Enhaced PLC-5 Processor, SLC 5/03 or higher, or ControlLogix L6x or lower processor. This document assumes that Channel 0 of your processor has been left to factory defaults (DF1, RS232) 1) First connect your Null Modem cable between…
I’ve gotten several questions about how to connect to the ControlLogix L7x processors using a USB Cable using RSLinx Classic. The L7x series processors do not have the standard serial port that the other processors have had in the past… Instead, you just use a USB Cable (A-Male to B-Male) such as you would find…
I’m experimenting with Word Press now for this site, and a password is no longer required to view the files and information! If you have ever been a student in my class, always feel free to send me an email with questions or comments. You can find my email address on the front page of…
