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Need help in STL code (interface of Frequency Converter)

Created by: Dunaev-ik at: 1/12/2023 6:10 AM (10 Replies)

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1/12/2023 6:10 AM	Rate (0)
Dunaev-ik Member Joined: 10/13/2021 Last visit: 8/21/2025 Posts: 8 Rating: (0)	Hello guys. I try to write interface (Function FC) for frequency converter Innovance MD500-plus. I ask you for help, what could be the snag. In the diagnostic buffer of the controller, this does not like Network2. Variables IN IN_Address Word 0.0 OUT_Address Word 2.0 Start_Command Bool 4.0 Stop_Command Bool 4.1 Emergency_stop Bool 4.2 Reset_Fault Bool 4.3 Freq_SP Int 6.0 Interlock Bool 8.0 Forward Bool 8.1 Reverse Bool 8.2 OUT Running Bool 10.0 Forward_Reverse Bool 10.1 Fault Bool 10.2 Fbk_Run Bool 10.3 Actual_Freq Int 12.0 Actual_Torque Int 14.0 Actual_Current Int 16.0 Actual_Speed Int 18.0 Actual_Power Int 20.0 Stop_Interlock Bool 22.0 Stoped Bool 22.1 Fb_Fwd Bool 22.2 Fb_Rev Bool 22.3 IN_OUT MSW Struct Run_Stop Bool 24.0 Fwd_Rev Bool 24.1 Fault Bool 24.2 Freq_Reached Bool 24.3 Reserved1 Bool 24.4 Reserved2 Bool 24.5 Reserved3 Bool 24.6 Reserved4 Bool 24.7 Fault_code1 Bool 25.0 Fault_code2 Bool 25.1 Fault_code3 Bool 25.2 Fault_code4 Bool 25.3 Fault_code5 Bool 25.4 Fault_code6 Bool 25.5 Fault_code7 Bool 25.6 Fault_code8 Bool 25.7 Act_Freq Word 26.0 MCW Struct 28.0 Start_fwd Bool 28.0 Start_rev Bool 28.1 Start_fwd_jog Bool 28.2 Start_rev_jog Bool 28.3 coast_to_stop Bool 28.4 stop_mode_f6x10 Bool 28.5 reset_fault Bool 28.6 Not_Used1 Bool 28.7 Not_Used2 Bool 29.0 Not_Used3 Bool 29.1 TEMP T_IN_Address DWord 0.0 T_OUT_Address DWord 4.0 tmp_AR1 DWord 8.0 tmp_CalcBuffer Real 12.0 temp Bool 16.0 hw_stw Word 18.0 tmpOnReq Bool 20.0 temp2 Word 22.0 if_fwd Bool 24.0 if_rev Bool 24.1 tmp_Freq Int 26.0 fb_fwd_1 Bool l28.0 fb_rev_1 Bool l28.1 Frq_I_to_W Word 30.0 RETURN RET_VAL Block: FC30 Network: 1 L #IN_Address SLD 3 T #T_IN_Address L #OUT_Address SLD 3 T #T_OUT_Address Network: 2 // read PZD1 (bits) TAR1 #tmp_AR1 LAR1 #T_IN_Address L PIW [AR1,P#0.0] T LW 16 A L 0.0 = #MSW.Run_Stop A L 0.1 = #MSW.Fwd_Rev A L 0.2 = #MSW.Fault A L 0.3 = #MSW.Freq_Reached A L 0.4 = #MSW.Reserved1 A L 0.5 = #MSW.Reserved2 A L 0.6 = #MSW.Reserved3 A L 0.7 = #MSW.Reserved4 A L 1.0 = #MSW.Fault_code1 A L 1.1 = #MSW.Fault_code2 A L 1.2 = #MSW.Fault_code3 A L 1.3 = #MSW.Fault_code4 A L 1.4 = #MSW.Fault_code5 A L 1.5 = #MSW.Fault_code6 A L 1.6 = #MSW.Fault_code7 A L 1.7 = #MSW.Fault_code8 Network: 3 //read PZD2 (frequency) LAR1 #T_IN_Address L PIW [AR1,P#2.0] ITD DTR L 1.000000e+002 /R ABS T #Actual_Freq Network: 4 //read loadshare pzd3 LAR1 #T_IN_Address L PIW [AR1,P#4.0] ITD DTR L 1.000000e+001 /R T #Actual_Current Network: 5 //read current pzd4 LAR1 #T_IN_Addres L PIW [AR1,P#6.0] ITD DTR L 1.000000e+001 /R T #Actual_Current Network: 6 //read power pzd5 LAR1 #T_IN_Address L PIW [AR1,P#8.0] ITD DTR L 1.000000e+001 /R T #Actual_Current Network: 7 //read rpm pzd6 LAR1 #T_IN_Address L PIW [AR1,P#10.0] ITD DTR L 1.000000e+001 /R T #Actual_Speed#Actual_Speed Network: 8 //stop if in PZD = fault A #MSW.Fault = #MCW.coast_to_stop Network: 9 //stop if stopped or emergency stoped O #Stop_Command O #Emergency_stop = #MCW.stop_mode_f6x10 = #Stoped Network: 10 // stop if interlock AN #MSW.Fault A #Interlock = #MCW.stop_mode_f6x10 = #MCW.coast_to_stop = #Stop_Interlock Network: 11 //reset fault A #MSW.Fault A #Reset_Fault = #MCW.reset_fault Network: 12 //forward A #Forward AN #Reverse = #if_fwd Network: 13 //backward AN #Forward A #Reverse = #if_rev Network: 14 A( L #Freq_SP L 0 <I ) A #if_rev = #fb_rev_1 Network: 15 A( L #Freq_SP L 0 >I ) A #if_fwd = #fb_fwd_1 Network: 16 //converting L #Freq_SP T #Frq_I_to_W NOP 0 Network: 17 //start to forward A #fb_fwd_1 A #Forward = #Fb_Fwd Network: 18 //start forward in pzd A #Fb_Fwd = #MCW.Start_fwd Network: 19 //start backward A #fb_rev_1# A #Reverse = #Fb_Rev Network: 20 //start backward in pzd A #fb_rev_1 = #MCW.Start_rev Network: 21 //write pzd2. freq L #Frq_I_to_W T #tmp_CalcBuffer TAR1 #tmp_AR1 L #tmp_CalcBuffer RND LAR1 #T_OUT_Address T PQW [AR1,P#18.0] NOP 0 Network: 22 //write PZD1 //16.0 - forward //16.1 - backward //16.2 - jog fwd (not used) //16.3 - jog rev (not used) //16.4 - normal stop //16.5 - e-stop //16.6 - reset fault A #MCW.Start_fwd AN #MCW.Start_rev = #temp AN #MCW.Start_fwd A #MCW.Start_rev = L 16.1 A #Fault#Fault = L 16.2 A #MCW.Not_Used1 = L 16.3 A #MCW.Not_Used2 = L 16.4 A #MCW.coast_to_stop = L 16.5 A #MCW.stop_mode_f6x10 = L 16.6 A #MCW.Not_Used3 = L 16.7 L LW 16 T #hw_stw LAR1 #T_OUT_Address L #hw_stw T PQW [AR1,P#0.0] LAR1 #tmp_AR1
	Last edited by: Dunaev-ik at: 01/12/2023 06:14:06 Last edited by: Dunaev-ik at: 01/12/2023 06:14:54 Last edited by: Dunaev-ik at: 01/12/2023 06:16:07
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1/12/2023 6:31 AM	Rate (0)
Stefan Arcularius Platinum Member Joined: 1/21/2013 Last visit: 8/29/2025 Posts: 4087 Rating: (633)	Hi Dunaev-ik, the used addresses for the local data does not match the definition of the TEMP section. L PIW [AR1,P#0.0] T LW 18 16 //I suppose it should be stored at #hw_stw A L 18.0 0.0 = #MSW.Run_Stop A L 18.1 0.1 = #MSW.Fwd_Rev A L 18.2 0.2 = #MSW.Fault A L 18.3 0.3 = #MSW.Freq_Reached A L 18.4 0.4 = #MSW.Reserved1 A L 18.5 0.5 = #MSW.Reserved2 A L 18.6 0.6 = #MSW.Reserved3 A L 18.7 0.7 = #MSW.Reserved4 A L 19.0 1.0 = #MSW.Fault_code1 A L 19.1 1.1 = #MSW.Fault_code2 A L 19.2 1.2 = #MSW.Fault_code3 A L 19.3 1.3 = #MSW.Fault_code4 A L 19.4 1.4 = #MSW.Fault_code5 A L 19.5 1.5 = #MSW.Fault_code6 A L 19.6 1.6 = #MSW.Fault_code7 A L 19.7 1.7 = #MSW.Fault_code8 Kind regards Stefan

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1/12/2023 8:38 AM	Rate (0)
Dunaev-ik Member Joined: 10/13/2021 Last visit: 8/21/2025 Posts: 8 Rating: (0)	Hello Stefan. It's does not work Event 1 of 128: Event ID 16# 4563 STOP caused by I/O access error (OB not loaded or not possible, or no FRB) FC number: 30 Module address: 28 Previous operating mode: RUN Requested operating mode: STOP (internal) Internal error, Incoming event 12:57:23.190 AM 03/14/1994 (Coding: 16# 4563 FF84 8C00 0C23 001E 001C) BR, ilya.

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1/12/2023 9:11 AM	Rate (0)
Stefan Arcularius Platinum Member Joined: 1/21/2013 Last visit: 8/29/2025 Posts: 4087 Rating: (633)	Hi ilya, we need more information about this behavior. The event you posted is the STOP event caused by the actual error. The important information can be found in a previous event, most likely in the event right before it. I suppose it will be an event "I/O access error, reading", which will be caused by one of your L PIW[…] commands. Please check, if the access address reported with the event is configured in your hardware configuration and if the device is accessible. Use the "Go To" button the navigate to the causing program line in your FC30. Kind regards Stefan

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1/13/2023 3:23 AM	Rate (0)
Dunaev-ik Member Joined: 10/13/2021 Last visit: 8/21/2025 Posts: 8 Rating: (0)	Stefan. Look please the attachment. BR, ilya. Attachment Innovanc.zip (727 Downloads)

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1/13/2023 6:09 AM	Rate (0)
Stefan Arcularius Platinum Member Joined: 1/21/2013 Last visit: 8/29/2025 Posts: 4087 Rating: (633)	Hi ilya, this forum is mainly used by volunteers. We can provide tips on how to solve problems, but you should not expect your work to be done by volunteers. Your project may be relevant at a later date, but it does not contain any of the items I last recommended for your review. Also, I can't open the project because it wasn't created to be language neutral, so it doesn't fit my system. To verify your project, you can create a new support request. But be aware that the support engineers also need relevant information like the diagnostic buffer. Kind regards Stefan

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1/18/2023 6:40 AM	Rate (0)
Dunaev-ik Member Joined: 10/13/2021 Last visit: 8/21/2025 Posts: 8 Rating: (0)	Stefan Arcularius Hi ilya, this forum is mainly used by volunteers. We can provide tips on how to solve problems, but you should not expect your work to be done by volunteers. Your project may be relevant at a later date, but it does not contain any of the items I last recommended for your review. Also, I can't open the project because it wasn't created to be language neutral, so it doesn't fit my system. To verify your project, you can create a new support request. But be aware that the support engineers also need relevant information like the diagnostic buffer. Kind regards Stefan Hi Stefan. Thanks for you report. I changed code via you advice but it's not working. Thank you for your assistance. You can see the attached file Attachment Innovanc.zip (795 Downloads)

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1/18/2023 9:14 AM	Rate (0)
Stefan Arcularius Platinum Member Joined: 1/21/2013 Last visit: 8/29/2025 Posts: 4087 Rating: (633)	Hi ilya, thanks for the project. But since I don't have your hardware, I can only test with S7-PLCSIM. I do not observe any errors there. Please provide more details on the diagnostics errors! Kind regards Stefan

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1/20/2023 3:34 AM	Rate (0)
Dunaev-ik Member Joined: 10/13/2021 Last visit: 8/21/2025 Posts: 8 Rating: (0)	Stefan Arcularius Hi ilya, thanks for the project. But since I don't have your hardware, I can only test with S7-PLCSIM. I do not observe any errors there. Please provide more details on the diagnostics errors! Kind regards Stefan Hello Stefan. it FC i tested with plc sim and physical cpu. And it request error (SF and CPUI going in stop mode). You can delete frequency converter in hardware, it's profibus device and does not affect on project. If you are interested, .gsd file in attachment Attachment MD38DP2.zip (757 Downloads)

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1/20/2023 4:45 AM	Rate (0)
qwazee Platinum Expert Joined: 3/30/2020 Last visit: 9/3/2025 Posts: 5421 Rating: (1064)	@Dunaev-ik: Replies in this forum is (mostly) from volunteers. You may reach a point where the assistance provided does not resolve your wants fully. At that point there is the option to talk to Siemens' support team. Consider the offer that Mr. Stefan has put to you and follow the provided link to apply for a free support session. (See the quoted text below.) Stefan Arcularius To verify your project, you can create a new support request. But be aware that the support engineers also need relevant information like the diagnostic buffer. Good luck.
	Activities of this user is voluntary. There is no obligation or liability placed on this user. Though optional, your 'please' and 'thank you' is highly valued.
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This contribution was helpful to 1 thankful Users Stefan Arcularius

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