10/27/2015 7:49 PM | |
Posts: 439 Rating: (108) |
Vulpes, Here is the S7-1200 manual for the wiring of the CM1241, see page 1265.
Not used for RS485: Output
Best regards, Hugo |
10/27/2015 7:56 PM | |
Posts: 439 Rating: (108) |
Here |
10/28/2015 2:27 PM | |
Posts: 439 Rating: (108) |
vulpes, You can find a zipped library attach to the post where you will find the UDT I created, DB3 and OB1. Best regards, Hugo AttachmentModbus RTU library.zip (1190 Downloads) |
This contribution was helpful to1 thankful Users |
10/28/2015 2:33 PM | |
Posts: 439 Rating: (108) |
vulpes, Here is the whole PLC Modbus slave. Best regards, Hugo AttachmentModbus RTU slave.zip (1794 Downloads) |
This contribution was helpful to1 thankful Users |
10/30/2015 4:00 PM | |
Posts: 439 Rating: (108) |
vulpes, You should upgrade your plc to fw 4.1 and CM1241 to 2.1. I don't know the part number of your plc, but you only have to enter the part number in the "ALL" field under "Product" here. Then, you have to select "Download" in the "Entry type" filter and find the latest firmware for your CPU. For your CM1241, here. About the illegal data, you should not do illegal things with RTU Seriously, I don't know your Modbus RTU software.. Hard for me to help you on this side. You should contact the company related with this product. But, if you have a DONE output to TRUE and no ERROR code, you are on the good way. If you have a new project in the future with Siemens, please start it by upgrading all your hardware to the last firmware FIRST. Good week-end! Best regards, Hugo |
Last edited by: HugoD at: 10/30/2015 4:04:11 PM |
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8/9/2016 2:53 PM | |
Joined: 8/3/2016 Last visit: 4/5/2024 Posts: 64 Rating: (0) |
Hi Vulpes, 40001 is the same. I can create a global DB but cannot see an option for symbolic only??? |
8/9/2016 2:57 PM | |
Joined: 8/3/2016 Last visit: 4/5/2024 Posts: 64 Rating: (0) |
I don't have the option............... TIA V13 SP1 Update 8 |
8/9/2016 3:04 PM | |
Joined: 5/18/2015 Last visit: 11/9/2020 Posts: 67 Rating: (2) |
Create DB -> Properties -> Attributes -> UNCHECK: [ ] optimized block access |
8/9/2016 5:23 PM | |
Joined: 8/3/2016 Last visit: 4/5/2024 Posts: 64 Rating: (0) |
I think that's how I have it. they both still have the # not the % which must be the error?? |
8/9/2016 6:19 PM | |
Joined: 8/3/2016 Last visit: 4/5/2024 Posts: 64 Rating: (0) |
Doesn't like me manually putting the same address area in either ..................my fingers are hurting |
8/10/2016 8:14 AM | |
Joined: 5/18/2015 Last visit: 11/9/2020 Posts: 67 Rating: (2) |
Sure, You got my mail in private message. |
8/11/2016 9:33 PM | |
Joined: 8/3/2016 Last visit: 4/5/2024 Posts: 64 Rating: (0) |
Hi Vulpes, have you had a chance to look at the code? Cheers. |
8/11/2016 9:56 PM | |
Posts: 5225 Rating: (1192)
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Hi. See if there is something that is of help to you here; w |
This contribution was helpful to1 thankful Users |
8/12/2016 9:02 AM | |
Joined: 8/3/2016 Last visit: 4/5/2024 Posts: 64 Rating: (0) |
Oh - ok. Are they in the libary? Not infront of my PC today! |
8/12/2016 10:02 AM | |
Joined: 5/18/2015 Last visit: 11/9/2020 Posts: 67 Rating: (2) |
Should be... I had them with standard installation. |
8/13/2016 10:10 AM | |
Joined: 6/14/2013 Last visit: 3/18/2023 Posts: 218 Rating: (9) |
Hi S7_Smuck, Please post your MB_COMM_LOAD and MB_MASTER (or MB_SLAVE) rings to see where the problem. |
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