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DrPLC

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RE: Missing MAM.PC Flag from Kinetix 5300

Posted By DrPLC Apr 16, 2026 07:51:24 AM
Found In Egroup: Drives, Motion Control & Low Voltage Products \ view thread
Following up on Vincent's reply. Since the .PC persists after the move is complete, you should consider adding an "EQU Step.Control 12" block to the start of your rung 24 in the 3rd screen shot. We do not see the rest of your code, so this may not work. ------------------------------ Kelvin[Designation] ...

RE: Move from Siemens TIA Portal to Rockwell Studio 5000

Posted By DrPLC Jul 01, 2025 10:08:00 AM
Found In Egroup: Automation Control \ view thread
One can export the data type definition from Siemens Portal to Rockwell Logix Designer through Excel. In Portal, open the data type definition. Select all rows. Copy/paste into a blank Excel worksheet. Delete the A column The A column is now the name of the structure element The B column is now ...

RE: Studio 5000 programming languages

Posted By DrPLC Apr 29, 2025 07:34:00 AM
Found In Egroup: Automation Control \ view thread
Following up on Jeremy's comment. Siemens has been moving away from STL (what Siemens calls the IL language). In the older S7-300/400 processors, one had to use STL for certain functions, like indirect addressing. With the more recent S7-1500 processors and programming software, the need for STL has ...

RE: PLC and HMI control system Design

Posted By DrPLC Apr 20, 2025 04:12:00 PM
Found In Egroup: Automation Control \ view thread
Reghu, Your question is pretty broad for this community. Having practiced automation engineering and having taught many automation engineers, you need training to get started. Rockwell has a comprehensive set of training: https://www.rockwellautomation.com/en-us/support/workforce-deve ...

RE: Controller Major fault - Type 4 Code - 31 : JSE or RET did not pass as many parameter as expected

Posted By DrPLC Oct 08, 2024 01:35:00 PM
Found In Egroup: Automation Control \ view thread
Hi Prakasha, Then it is not likely a revision issue. Once you find the JSR on a specific rung that is causing the issue, then you can troubleshoot from there. From what you stated earlier, it may take awhile before the fault occurs again. ------------------------------ Kelvin[Designation] ...

RE: Controller Major fault - Type 4 Code - 31 : JSE or RET did not pass as many parameter as expected

Posted By DrPLC Oct 07, 2024 06:56:00 AM
Found In Egroup: Automation Control \ view thread
Prakasha, You did not identify the controller and revision level, which may be of interest. It appears to be RSLogix5000, which means a ControlLogix/CompactLogix controller revision no higher than 20. I suggest you define a controller tag and at every place the routine is called, write a unique ...

RE: PID Periodicity

Posted By DrPLC Oct 04, 2024 05:16:00 AM
Found In Egroup: Automation Control \ view thread
Kurt, If you want to change the period, using a TON(R) to trigger the PID/PIDE execution and then move a different value into the preset for a different period. If you use the PID block, you will also need to change the .UPD value in the PID tag (for internal calculations of the PID block). ...

RE: CompactLogix firmware update

Posted By DrPLC Aug 31, 2024 09:16:00 AM
Found In Egroup: Automation Control \ view thread
Did you update the factory-installed firmware on the series B processor to v31 before you inserted the SD card from your series A processor and power-cycled the processor? If you did not do the firmware update, you may have "bricked" the processor. A call to Rockwell tech support may be needed. ...

RE: Cannot Add 1794-AENTR online

Posted By DrPLC Apr 25, 2024 07:08:00 AM
Found In Egroup: Automation Control \ view thread
It is the same if you want to add a 1734-AENT to the EN2T - it can only be done offline. I suggest you find a time when the system is idle. Alert any maintenance personnel to a possible disruption. Open the project, go online, save the project (responding "yes" to the prompt about uploading data) ...

RE: Is there any way to retrieve the description field from a tag yet?

Posted By DrPLC Feb 17, 2024 11:12:00 AM
Found In Egroup: Automation Control \ view thread
I do not know if this will accomplish what you want, but one can export the tags and comments in a project to a .csv or .txt file. In Studio 5000, select "Tools" and then "Export" and "Tags and Logic Comments". Select the format (.csv or .txt) and specify the file name. When the CSV file is ...

RE: Learning allen bradley - i bought PLC5 and comparing to S7 315

Posted By DrPLC Feb 02, 2023 07:02:00 AM
Found In Egroup: Legacy \ view thread
Jeff, The 3rd edition still retains the SLC-500 and MicroLogix, so most of relevant material is there. The PLC-5 has a larger number of program and data files, multiple main files (later processors), the CMP block, transitional contact differences, sequencer block differences, and the sequential function ...

RE: Learning allen bradley - i bought PLC5 and comparing to S7 315

Posted By DrPLC Jan 30, 2023 07:28:00 AM
Found In Egroup: Legacy \ view thread
Jan, I do not know how they implemented concurrency or even if they did. I suspect they just executed each main ladder file - one right after the other and then started over. That is how it is done in the ControlLogix. That processor can have one continuous task (like OB1) and within the task, one ...

RE: Learning allen bradley - i bought PLC5 and comparing to S7 315

Posted By DrPLC Jan 28, 2023 08:27:00 AM
Found In Egroup: Legacy \ view thread
Jan, I can answer most of them. It has been a few years since I have done much PLC-5 programming. My experience with Rockwell PLCs started with the PLC-2 with a little dabbling in the 1774-series on one project converting that to a PLC-5. 2. I believe the octal system goes back the 1774-series PLCs ...

RE: Opening Studio or RSLogix 5000 login requested

Posted By DrPLC Sep 16, 2022 08:04:00 AM
Found In Egroup: Automation Control \ view thread
Three suggestions: 1. Use a netgroup to control the list of users. I teach PLC classes and have 50 to 100 students needing to access Studio 5000 and FactoryTalk View on a set of 12 lab PCs and a pool of 12 virtual machines. And this list changes every semester. It would require much time to maintain ...

RE: SLC 5/04 flashing fault on two CPUs

Posted By DrPLC Jun 30, 2022 02:07:00 PM
Found In Egroup: Legacy \ view thread
Ken, I would first check the cable you are using for serial communication. Check page 215 of the publication 1747-UM011. You can download it from the Literature Library. The cable from your USB-to-serial device to the 9-pin Dsub on the SLC must match the diagram to work. It could be your USB-to-serial ...

RE: SLC 5/04 flashing fault on two CPUs

Posted By DrPLC Jun 30, 2022 08:32:00 AM
Found In Egroup: Legacy \ view thread
Ken, Are you able to establish serial communication with RS232? Use the "Auto-Config" button in the RS232 RSLinx driver to find the baud rate, etc. It has been awhile since I have done it, but I believe the default baud rate is 1200 baud. The SLC 5/04 is an older processor than the MicroLogix 1500. ...

RE: 1756-L82ES Code execution problems

Posted By DrPLC May 17, 2022 08:16:00 AM
Found In Egroup: Automation Control \ view thread
Two things to consider: 1. In ControlLogix/CompactLogix processors, the update of the I/O tags are not synchronized to the program scan as it is for the SLC. 2. Using a remote rack for the AMCI modules compounds the problem. I suggest you used buffering on the I/O for the AMCI modules and use a ...

RE: 2097-V33PR1

Posted By DrPLC Apr 14, 2022 09:55:00 AM
Found In Egroup: Drives, Motion Control & Low Voltage Products \ view thread
By default (no power to the brake), the brake is engaged. If you connect the white wire of the motor to +24V and the black wire of the motor to the DC common, the brake is released. I suggest you follow the example wiring in Appendix A of publication 2097-UM002. One should not wire the MTR_BRAKE- and ...

RE: Kinetix 5300 How to Increase Max Speed

Posted By DrPLC Dec 08, 2021 02:41:00 PM
Found In Egroup: Drives, Motion Control & Low Voltage Products \ view thread
Here is something I wrote for the students that explains the MAM profiles and the relationship between the accel/decel and the jerk. ------------------------------ Kelvin ------------------------------

RE: Kinetix 5300 How to Increase Max Speed

Posted By DrPLC Dec 08, 2021 02:40:35 PM
Found In Library: Drives, Motion Control and Low Voltage Products