As you can see Ive set up PLC_2 in slot 1 of the same chassis as PLC_1. Ricky, Pingback: ControlLogix DF1 Messaging to SLC 500 - Bryce Automation. L75 processor in slot 0 The source element is Outbox. Therefore its generally more efficient to build the path manually. Both of these are heavily utilized in the current manufacturing environments and provide an excellent testing platform. Connect your laptop to the same network & use the ping x.x.x.x command to check connectivity to both PLCs. SLC to ControlLogix Messaging might be easier than you think. If your application Select for a 1769-L23x controller Select for a 1769-L3 x controller Select for a 1769-L4x, This allows two processors to mutually share critical data values similar to the Scanner/Adapter mode used on Remote I/O. The easiest way to do that if you have relatively small or simple program is to just use the .EN bit of the MSG itself. Open the controller tag database, and in Edit Tags mode, add the following tags. This model offers a communication rate of 10/100 Mbps and memory capacity options of 2 MB and 3 MB. We have a third chassis with a processor in slot 0, and an EN2T in slot 1 with an IP address of 172.25.154.51. Next, you will create a new MESSAGE data table. his answer ID describes how to create the correct path for a MSG instruction from a ControlLogix processor to another ControlLogix processor using Ethernet with two Ethernet cards (example 1756-ENBT) The controller that initiates the message instruction has the following path (separated by commas, no spaces): 1,S1,2,xxx.yyy.zzz.www,1,S2 Where: The MessageTimer will be used in logic to give the message instruction a pulse at regular intervals. You have entered an incorrect email address! For an EtherNet based system, we need to input the address of the MicroLogix PLC and specify that this communication will be sent over CIP. Now, we need to create the data file that will be transferred to the ControlLogix. 0000004673 00000 n 0000003316 00000 n 1756 ControlLogix, 1756 GuardLogix, 1769 CompactLogix, 1769 Compact GuardLogix, 1789 . 0000115710 00000 n In this post, we will receive data from a tag in another ControlLogix processor. In that case, it would be modbus devices you want to access right? This months blog post topic is all about sending messages between PLCs. Please enter your comment! When a person is troubleshooting a problem from Outputs back to the source, they can cross reference a data file that will trace back to the message read instruction to see where the data is coming from. 0000005472 00000 n You can find it here. First, we will create an array called FromSLC in our Controller Tag Database. So how would you setup your path if you had a Copyright 1999-2022 Insights In Automation, All Rights Reserved. 0000004996 00000 n You'll also find all of our automation courses at TheAutomationSchool.com. The source element is the exact tag that will be read from the Micro820 and the starting array element. First, we will look at the MSG CIP Data Table Read setup. The first array will be Data_toLogix and the second array will Data_FromLogix and they will have a data type of DINT. 277 0 obj <> endobj This is the tag in the target processor that we are receiving data from. Find release notes, AOP, EDS, firmware, and other product files inthe Product Compatibility and Download Center (PCDC). Now, we can see the MSG instruction .DN bit is going true so the communication is working. Port 2 on any Logix network module is the network port. This means that it updates at regular intervals. Your email address will not be published. Ok, so now we have the 3 fields we need to fill in here. I set up my logic as follows: Next click on Setup Screen within the MSG instruction. We need to map the SLC Initiated messages to an array in the tag database. As long as the ControlLogix processor is in slot 0, the default setup of the DHRIO module in the ControlLogix chassis should work fine. We will just name this file TOCLX. The CompactLogix and ControlLogix processors support Producer/Consumer Tag mapping between two processors. If Im understanding correctly, your configuration would not be with the MSG instruction. When I programmed your solution exactly, I kept getting 16#0011 and16#0013 errors in my MSG blocks programmed in RSLogix. 0000014489 00000 n For example, the SLC 5/05 will take 5 integers from the N10 data file, and send those 10 integers to the Allen Bradley ControlLogix processor. . MSG on ControlLogix (1756-L61) to read/write data to CompactLogix (1769-L32E)1. The Automation Blog, The Automation Show, The Automation Minute, The Automation Podcast, The Automation Guy, The Automation Exchange, The Automation Forums, as well as Automation Tech Tips, Automation Tech Talk, Automation Files, Automation Tutorials, Automation Exchange, Automate News, and Automation Show are trademarks of Insights In Automation all rights reserved. For this example, we need a tag in the target processor named Outbox. The ControlLogix does not have the same addressing structure as the SLC 500. We specify 3 because that is the Slot # of our ENBT module. 0000007451 00000 n The Automation Blog is the internet's most popular independent Industrial Automation News and Product How-To website.Since rebranding as The Automation Blog in 2013, we've helped millions of visitors get up to speed on the latest industrial automation technologies, as well as teach them how to use current and legacy automation products.Special thanks to our Sponsors, Advertisers, and Community Members who make it possible for us to continue our work! For this example, I will pick an arbitrary file number (70). When the DN bit is set, the timer resets. 0000025200 00000 n If, for some reason, you do need to modify the path, just click the ellipsis (three dots) on the MSG instruction face in logic, and go to the Communication Tab. 0000116038 00000 n This instruction would be utilized within the RSLogix 5000 or Studio 5000 programming environments on an Allen Bradley PLC and Write or Read data from a different PLC. ControlLogix messaging is used to send or receive information to another processor. Ok, so back to the topic at hand. Can you multihop this, and how? Do note that these tags are declared as arrays as we do want to make sure that the users can further expand this functionality when its needed. 0000004566 00000 n We will be making two MSG instructions, so we will have to create it with two or more elements. The CIP Data Table Read and CIP Data Table Write. So, when we update the PRODUCE_DATA array in PLC_2 it should be reflected in PLC_1, Notice that updating the PRODUCE_DATA[0] in PLC_2 is updating the value in CONSUME_DATA[0] in PLC_1. CLX to 1761-net-eni read message. SoftLogix, 5069 CompactLogix, Studio 5000 Logix Emulate . There are a couple different ways that we can configure Allen-Bradley PLCs can talk to each other. Later on, the SLC will think its sending data to another SLC Processor, and storing that data to N70:0 to N70:4. Resetting fuses on the ControlLogix 1756-OB16E module. 0000006097 00000 n Next, we specify the target IP, which is 172.25.172.68, then we go to the backplane with 1, and then 6 to slot 6. Need manuals to help you install, configure, and use your ControlLogix and GuardLogix large control systems? Message to a CompactLogix over Ethernet, S2 E25 [] Reply. [] Message to a CompactLogix over Ethernet, S2 E25 []. <<2DD771D0BC24DB43B4BAD9DA4DB57245>]/Prev 390512>> All CompactLogix CPUs are considered to be in Slot 0 of the backplane. If you are using the 5/04 SLC processor, this uses DH+ Natively. Keep in mind, the SLC thinks its sending a message to another SLC. Other end prosoft module PLX31-EIP-MBS4 ethernet port 1 Since the Micro820 used a completely different software for programming, I wanted to test and make sure that data could be shared with other Rockwell controllers. In other words, its something you always specify for CompactLogix processors and ControlLogix processors when they go through an ENxT network card. 0000005316 00000 n The target processor is the lower processor in the diagram above. Next, well say we have a second chassis with an EN2T in slot 5 with an IP of 172.25.172.68. Normally, our logic would populate this data file with information that is being sent to the ControlLogix. 0000016408 00000 n 277 92 0000006019 00000 n Step 2 Make sure that your hardware is on the same network and IP Addresses allow them to communicate. Verify that the data types match as well. You might look at the control tag for the message block to see what error you are getting. Please pay attention to the data types when you add these tags: The Inbox is the tag that we will place data into that we get from the targets Outbox.

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