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Post by clesio on CAA.File.Write – Unexpected characters when writing a CSV file CODESYS Forge talk (Post)
Hello everyone, I am trying to create a routine in CODESYS to export a report to a CSV file using the CAA.File library. The file is created successfully, but I am getting some unexpected/unknown characters in the generated CSV. The problem seems to be related to the SIZEOF() function. I am using it for the szSize parameter of File.Write, as recommended in the CODESYS documentation. However, when I use SIZEOF(), the CSV contains extra characters and parts of previous strings. I also tried using LEN(), but in my application the file is created empty, even though the string and the calculated length appear to be correct. Here is the relevant part of my code: PROGRAM Relatorio VAR // Bool b_Executa_fb_Cria_Arquivo : BOOL; b_Executa_fb_Fecha_Arquivo : BOOL; b_Escreve_dados : BOOL; b_Erro_fb_Escreve : BOOL; //STR s_Nome_Arquivo : STRING; s_Palavra : STRING; s_Palavra_Anterior : STRING; s_Data_Atualizada_Formatada : STRING; s_Dia : STRING; s_Mes : STRING; s_Ano : STRING; s_Hora_Atualizada_Formatada : STRING; s_Hora : STRING; s_Minu : STRING; s_Segu : STRING; //INT i_modo_fb_Cria_Arquivo : INT; i_ErroID_fb_Escreve : INT; //UINT i_Tamanho_Palavra : UINT; // Blocos de Funcao fb_Cria_Arquivo : FILE.Open; fb_Fecha_Arquivo : FILE.Close; fb_Escreve : FILE.Write; // DATA E HORA sc_DataTime : SysTimeRtc.RTS_SYSTIMEDATE; // STRUCT = sc uidResultRtcGet : UDINT; //stGetDate : SysTimeRtc.RTS_SYSTIMEDATE; uidResultConvertToDate : UDINT; uidResult : RTS_IEC_RESULT; END_VAR VAR_INPUT //BOOL b_SET_Executa_fb_Cria_Arquivo : BOOL; b_RES_Executa_fb_Cria_Arquivo : BOOL; b_Executa_fb_Escrita : BOOL; // INT i_Linhas_Cabecalho : INT; i_Linhas_Cabecalho_Anterior : INT; END_VAR // Para Testes s_Nome_Arquivo := 'relatorio/Teste1M.CSV'; i_modo_fb_Cria_Arquivo := 0; // TRATAMENTO DE DATOS DATA e HORA uidResultRtcGet := SysTimeRtcGet(uidResult); uidResultConvertToDate := SysTimeRtcConvertUtcToDate(dwTimestampUtc := uidResultRtcGet, pDate := sc_DataTime); // FORMATA DATA EM UMA STRING s_Dia := UINT_TO_STRING(sc_DataTime.wDay); s_Mes := UINT_TO_STRING(sc_DataTime.wMonth); s_Ano := UINT_TO_STRING(sc_DataTime.wYear); s_Data_Atualizada_Formatada := CONCAT(s_Dia, CONCAT('/', CONCAT(s_Mes, CONCAT('/', s_Ano)))); // FORMATA HORA EM UMA STRING s_Hora := UINT_TO_STRING(sc_DataTime.wHour); s_Minu := UINT_TO_STRING(sc_DataTime.wMinute); s_Segu := UINT_TO_STRING(sc_DataTime.wSecond); s_Hora_Atualizada_Formatada := CONCAT(s_Hora, CONCAT(':', CONCAT(s_Minu, CONCAT(':', s_Segu)))); // ABRE e CRIA ARQUIVO IF (b_SET_Executa_fb_Cria_Arquivo OR b_Executa_fb_Cria_Arquivo) AND NOT(b_RES_Executa_fb_Cria_Arquivo) THEN b_Executa_fb_Cria_Arquivo := TRUE; ELSE b_Executa_fb_Cria_Arquivo := FALSE; END_IF fb_Cria_Arquivo( xExecute := b_Executa_fb_Cria_Arquivo, sFileName := s_Nome_Arquivo, eFileMode := i_modo_fb_Cria_Arquivo, xExclusive := FALSE, ); //i_Tamanho_Palavra := SizeOf(s_Palavra); // ESCREVE NO ARQUIVO fb_Escreve( xExecute := b_Executa_fb_Escrita, hFile := fb_Cria_arquivo.hFile, szSize := SIZEOF(s_Palavra), pBuffer := ADR(s_palavra) ); // FECHA ARQUIVO fb_Fecha_Arquivo( xExecute := b_Executa_fb_Fecha_Arquivo, hFile := fb_Cria_arquivo.hFile ); IF Criacao_Edicao_Arquivos.b_Escreve_Cabecalho THEN CASE i_Linhas_Cabecalho OF 1 : s_palavra := 'ESTERILIZADOR'; 2: s_palavra := 'MAQ4; $R$L'; 3: s_palavra := CONCAT(CONCAT('CLIENTE: ',GVL.sReceitaAtual), '$R$L'); 4: s_palavra := CONCAT(CONCAT('NUMERO LOTE: ',DINT_TO_STRING(GVL.Lote)), '$R$L'); 5: s_palavra := CONCAT(CONCAT('OPERADOR: ', DINT_TO_STRING(GVL.Operador)), '$R$L'); 6: s_palavra := CONCAT(CONCAT('DATA: ', s_Data_Atualizada_Formatada), '$R$L'); 7: s_palavra := CONCAT(CONCAT('HORA: ', s_Hora_Atualizada_Formatada), '$R$L'); 8: s_palavra := '$R$L'; 9: s_palavra := 'PARAMETROS AJUSTADOS $R$L'; 10: s_palavra := CONCAT('TEMPO PRE COND.: ', CONCAT(INT_TO_STRING(GVL.rc_T_PreCondicionamento), ' min $R$L')); 11: s_palavra := CONCAT('PULSOS INERTIZACAO 1: ', CONCAT(INT_TO_STRING(GVL.rc_PulsosInertizacao_1), ' PULSOS $R$L')); 12: s_palavra := CONCAT('PULSOS INERTIZACAO 2: ', CONCAT(INT_TO_STRING(GVL.rc_PulsosInertizacao_2), ' PULSOS $R$L')); 13: s_palavra := CONCAT('PULSOS AERACAO: ', CONCAT(INT_TO_STRING(GVL.rc_PulsosAeracao_2), ' PULSOS $R$L')); 14: s_palavra := CONCAT('PRESSAO DE VACUO 1: ', CONCAT(REAL_TO_STRING(GVL.rc_PV1_max), ' bar $R$L')); 15: s_palavra := CONCAT('PRESSAO DE VACUO 2: ', CONCAT(REAL_TO_STRING(GVL.rc_PV2), ' bar $R$L')); 16: s_palavra := CONCAT('PRESSAO INERTIZACAO 1: ', CONCAT(REAL_TO_STRING(GVL.rc_PN1), ' bar $R$L')); 17: s_palavra := CONCAT('PRESSAO INERTIZACAO 2: ', CONCAT(REAL_TO_STRING(GVL.rc_PN2), ' bar $R$L')); 18: s_palavra := CONCAT('PRESSAO AERACAO: ', CONCAT(REAL_TO_STRING(GVL.rc_PAR), ' bar $R$L')); 19: s_palavra := CONCAT('PRESSAO ETO: ', CONCAT(REAL_TO_STRING(GVL.rc_PressaoETO), ' bar $R$L')); 20: s_palavra := CONCAT('PRESSAO Compl.: ', CONCAT(REAL_TO_STRING(GVL.rc_PressaoETO_2), ' bar $R$L')); 21: s_palavra := CONCAT('MASSA ETO: ', CONCAT(REAL_TO_STRING(GVL.rc_QuantidadeETO), ' Kg $R$L')); 22: s_palavra := CONCAT('TEMPO PRE COND. Vacuo/Vapor: ', CONCAT(INT_TO_STRING(GVL.rc_T_Vapor_1), ' min $R$L')); 23: s_palavra := CONCAT('SET-POINT: ', CONCAT(REAL_TO_STRING(GVL.ihm_SPTemperatura), ' Β°C $R$L')); 24: s_palavra := CONCAT('TEMPO ESTERILIZACAO: ', CONCAT(INT_TO_STRING(GVL.rc_TempoEsterilizacao), ' min $R$L')); 25: s_palavra := CONCAT('TEMPO PARADA: ', CONCAT(INT_TO_STRING(GVL.rc_T_PressaoParada), ' min $R$L')); 26: s_palavra := CONCAT('UMIDADE: ', CONCAT(REAL_TO_STRING(GVL.rc_UmidadeRelativa), ' % $R$L')); 27: s_palavra := '$R$L'; END_CASE END_IF Note: The code I am attaching does not include the execution/sequence management of the function blocks. I have omitted this part to keep the example focused on the CSV writing routine. The function blocks are triggered and managed by a separate state machine. I am not sure what the correct approach is in this case, especially since the official documentation recommends using SIZEOF() for szSize. I will attach my code and a screenshot of the generated CSV showing the issue. Has anyone experienced something similar or could suggest the correct way to write a changing STRING to a CSV file using CAA.File.Write?
Last updated: 2026-09-08

Post by clesio on CAA.File.Write – Unexpected characters when writing a CSV file CODESYS Forge talk (Post)
Hello everyone, I am trying to create a routine in CODESYS to export a report to a CSV file using the CAA.File library. The file is created successfully, but I am getting some unexpected/unknown characters in the generated CSV. The problem seems to be related to the SIZEOF() function. I am using it for the szSize parameter of File.Write, as recommended in the CODESYS documentation. However, when I use SIZEOF(), the CSV contains extra characters and parts of previous strings. I also tried using LEN(), but in my application the file is created empty, even though the string and the calculated length appear to be correct. Here is the relevant part of my code: PROGRAM Relatorio VAR // Bool b_Executa_fb_Cria_Arquivo : BOOL; b_Executa_fb_Fecha_Arquivo : BOOL; b_Escreve_dados : BOOL; b_Erro_fb_Escreve : BOOL; //STR s_Nome_Arquivo : STRING; s_Palavra : STRING; s_Palavra_Anterior : STRING; s_Data_Atualizada_Formatada : STRING; s_Dia : STRING; s_Mes : STRING; s_Ano : STRING; s_Hora_Atualizada_Formatada : STRING; s_Hora : STRING; s_Minu : STRING; s_Segu : STRING; //INT i_modo_fb_Cria_Arquivo : INT; i_ErroID_fb_Escreve : INT; //UINT i_Tamanho_Palavra : UINT; // Blocos de Funcao fb_Cria_Arquivo : FILE.Open; fb_Fecha_Arquivo : FILE.Close; fb_Escreve : FILE.Write; // DATA E HORA sc_DataTime : SysTimeRtc.RTS_SYSTIMEDATE; // STRUCT = sc uidResultRtcGet : UDINT; //stGetDate : SysTimeRtc.RTS_SYSTIMEDATE; uidResultConvertToDate : UDINT; uidResult : RTS_IEC_RESULT; END_VAR VAR_INPUT //BOOL b_SET_Executa_fb_Cria_Arquivo : BOOL; b_RES_Executa_fb_Cria_Arquivo : BOOL; b_Executa_fb_Escrita : BOOL; // INT i_Linhas_Cabecalho : INT; i_Linhas_Cabecalho_Anterior : INT; END_VAR // Para Testes s_Nome_Arquivo := 'relatorio/Teste1M.CSV'; i_modo_fb_Cria_Arquivo := 0; // TRATAMENTO DE DATOS DATA e HORA uidResultRtcGet := SysTimeRtcGet(uidResult); uidResultConvertToDate := SysTimeRtcConvertUtcToDate(dwTimestampUtc := uidResultRtcGet, pDate := sc_DataTime); // FORMATA DATA EM UMA STRING s_Dia := UINT_TO_STRING(sc_DataTime.wDay); s_Mes := UINT_TO_STRING(sc_DataTime.wMonth); s_Ano := UINT_TO_STRING(sc_DataTime.wYear); s_Data_Atualizada_Formatada := CONCAT(s_Dia, CONCAT('/', CONCAT(s_Mes, CONCAT('/', s_Ano)))); // FORMATA HORA EM UMA STRING s_Hora := UINT_TO_STRING(sc_DataTime.wHour); s_Minu := UINT_TO_STRING(sc_DataTime.wMinute); s_Segu := UINT_TO_STRING(sc_DataTime.wSecond); s_Hora_Atualizada_Formatada := CONCAT(s_Hora, CONCAT(':', CONCAT(s_Minu, CONCAT(':', s_Segu)))); // ABRE e CRIA ARQUIVO IF (b_SET_Executa_fb_Cria_Arquivo OR b_Executa_fb_Cria_Arquivo) AND NOT(b_RES_Executa_fb_Cria_Arquivo) THEN b_Executa_fb_Cria_Arquivo := TRUE; ELSE b_Executa_fb_Cria_Arquivo := FALSE; END_IF fb_Cria_Arquivo( xExecute := b_Executa_fb_Cria_Arquivo, sFileName := s_Nome_Arquivo, eFileMode := i_modo_fb_Cria_Arquivo, xExclusive := FALSE, ); //i_Tamanho_Palavra := SizeOf(s_Palavra); // ESCREVE NO ARQUIVO fb_Escreve( xExecute := b_Executa_fb_Escrita, hFile := fb_Cria_arquivo.hFile, szSize := SIZEOF(s_Palavra), pBuffer := ADR(s_palavra) ); // FECHA ARQUIVO fb_Fecha_Arquivo( xExecute := b_Executa_fb_Fecha_Arquivo, hFile := fb_Cria_arquivo.hFile ); IF Criacao_Edicao_Arquivos.b_Escreve_Cabecalho THEN CASE i_Linhas_Cabecalho OF 1 : s_palavra := 'ESTERILIZADOR'; 2: s_palavra := 'MAQ4; $R$L'; 3: s_palavra := CONCAT(CONCAT('CLIENTE: ',GVL.sReceitaAtual), '$R$L'); 4: s_palavra := CONCAT(CONCAT('NUMERO LOTE: ',DINT_TO_STRING(GVL.Lote)), '$R$L'); 5: s_palavra := CONCAT(CONCAT('OPERADOR: ', DINT_TO_STRING(GVL.Operador)), '$R$L'); 6: s_palavra := CONCAT(CONCAT('DATA: ', s_Data_Atualizada_Formatada), '$R$L'); 7: s_palavra := CONCAT(CONCAT('HORA: ', s_Hora_Atualizada_Formatada), '$R$L'); 8: s_palavra := '$R$L'; 9: s_palavra := 'PARAMETROS AJUSTADOS $R$L'; 10: s_palavra := CONCAT('TEMPO PRE COND.: ', CONCAT(INT_TO_STRING(GVL.rc_T_PreCondicionamento), ' min $R$L')); 11: s_palavra := CONCAT('PULSOS INERTIZACAO 1: ', CONCAT(INT_TO_STRING(GVL.rc_PulsosInertizacao_1), ' PULSOS $R$L')); 12: s_palavra := CONCAT('PULSOS INERTIZACAO 2: ', CONCAT(INT_TO_STRING(GVL.rc_PulsosInertizacao_2), ' PULSOS $R$L')); 13: s_palavra := CONCAT('PULSOS AERACAO: ', CONCAT(INT_TO_STRING(GVL.rc_PulsosAeracao_2), ' PULSOS $R$L')); 14: s_palavra := CONCAT('PRESSAO DE VACUO 1: ', CONCAT(REAL_TO_STRING(GVL.rc_PV1_max), ' bar $R$L')); 15: s_palavra := CONCAT('PRESSAO DE VACUO 2: ', CONCAT(REAL_TO_STRING(GVL.rc_PV2), ' bar $R$L')); 16: s_palavra := CONCAT('PRESSAO INERTIZACAO 1: ', CONCAT(REAL_TO_STRING(GVL.rc_PN1), ' bar $R$L')); 17: s_palavra := CONCAT('PRESSAO INERTIZACAO 2: ', CONCAT(REAL_TO_STRING(GVL.rc_PN2), ' bar $R$L')); 18: s_palavra := CONCAT('PRESSAO AERACAO: ', CONCAT(REAL_TO_STRING(GVL.rc_PAR), ' bar $R$L')); 19: s_palavra := CONCAT('PRESSAO ETO: ', CONCAT(REAL_TO_STRING(GVL.rc_PressaoETO), ' bar $R$L')); 20: s_palavra := CONCAT('PRESSAO Compl.: ', CONCAT(REAL_TO_STRING(GVL.rc_PressaoETO_2), ' bar $R$L')); 21: s_palavra := CONCAT('MASSA ETO: ', CONCAT(REAL_TO_STRING(GVL.rc_QuantidadeETO), ' Kg $R$L')); 22: s_palavra := CONCAT('TEMPO PRE COND. Vacuo/Vapor: ', CONCAT(INT_TO_STRING(GVL.rc_T_Vapor_1), ' min $R$L')); 23: s_palavra := CONCAT('SET-POINT: ', CONCAT(REAL_TO_STRING(GVL.ihm_SPTemperatura), ' Β°C $R$L')); 24: s_palavra := CONCAT('TEMPO ESTERILIZACAO: ', CONCAT(INT_TO_STRING(GVL.rc_TempoEsterilizacao), ' min $R$L')); 25: s_palavra := CONCAT('TEMPO PARADA: ', CONCAT(INT_TO_STRING(GVL.rc_T_PressaoParada), ' min $R$L')); 26: s_palavra := CONCAT('UMIDADE: ', CONCAT(REAL_TO_STRING(GVL.rc_UmidadeRelativa), ' % $R$L')); 27: s_palavra := '$R$L'; END_CASE END_IF Note: The code I am attaching does not include the execution/sequence management of the function blocks. I have omitted this part to keep the example focused on the CSV writing routine. The function blocks are triggered and managed by a separate state machine. I am not sure what the correct approach is in this case, especially since the official documentation recommends using SIZEOF() for szSize. I will attach my code and a screenshot of the generated CSV showing the issue. Has anyone experienced something similar or could suggest the correct way to write a changing STRING to a CSV file using CAA.File.Write?
Last updated: 2026-09-08

CAA.File.Write – Unexpected characters when writing a CSV file CODESYS Forge talk (Thread)
CAA.File.Write – Unexpected characters when writing a CSV file
Last updated: 2026-09-08

Post by colorearm on Active vs Unacknowledged Alarm CODESYS Forge talk (Post)
I need this exact same logic for my buzzer and light tower! Following this thread for a https://colorearm.com/.
Last updated: 5 days ago

Active vs Unacknowledged Alarm CODESYS Forge talk (Thread)
Active vs Unacknowledged Alarm
Last updated: 5 days ago

Motion πŸ‡¬πŸ‡§ CODESYS Forge talk (Discussion)
Realizing single or multi axis motion control, CAM, CNC and Robotic applications
Last updated: 5 days ago

Test CODESYS Forge talk (Thread)
Test
Last updated: 5 days ago

Visualization πŸ‡¬πŸ‡§ CODESYS Forge talk (Discussion)
Realizing operator screens with CODESYS HMI, Targetvisu, Webvisu
Last updated: 3 days ago

Post by sigbjorn-kleppe on How to display only legend description and not variable name CODESYS Forge talk (Post)
I seem to have missed the "Display variable name" option in the trend recording. This fixed the issue.
Last updated: 3 days ago

How to display only legend description and not variable name CODESYS Forge talk (Thread)
How to display only legend description and not variable name
Last updated: 3 days ago

How to display only legend description and not variable name CODESYS Forge talk (Thread)
How to display only legend description and not variable name
Last updated: 3 days ago

Post by sigbjorn-kleppe on How to display only legend description and not variable name CODESYS Forge talk (Post)
I seem to have missed the "Display variable name" option in the trend recording. This fixed the issue.
Last updated: 3 days ago

SMC_Interpolator / CNC Abort – ControlAxisByPos Sometimes Remains Busy and Axis Continues Moving CODESYS Forge talk (Thread)
SMC_Interpolator / CNC Abort – ControlAxisByPos Sometimes Remains Busy and Axis Continues Moving
Last updated: 2 days ago

Post by kishan on SMC_Interpolator / CNC Abort – ControlAxisByPos Sometimes Remains Busy and Axis Continues Moving CODESYS Forge talk (Post)
Hello, I am working with CODESYS SoftMotion CNC using a preprocessing chain, SMC_Interpolator, and SMC_ControlAxisByPos for controlling the CNC axes. I have noticed an issue when aborting CNC execution. When I execute the Abort command, I abort both the CNC preprocessing blocks and SMC_Interpolator. Normally the CNC process stops correctly. However, occasionally after the abort: SMC_Interpolator has already been aborted. CNC preprocessing has also been aborted/reset. But SMC_ControlAxisByPos.bBusy remains TRUE. The corresponding physical axis can still continue moving for some distance. This does not happen every time. My basic sequence is similar to: G-code / CNC preprocessing ↓ SMC_Interpolator ↓ Transformation ↓ SMC_ControlAxisByPos ↓ SoftMotion Axis When the operator requests CNC Abort, I set the Abort inputs of the interpolator and preprocessing function blocks. My questions are: Does SMC_Interpolator.bAbort only stop/reset the interpolator, or should it also stop the motion currently being executed by SMC_ControlAxisByPos? Can SMC_ControlAxisByPos remain Busy after the interpolator has been aborted? If bAvoidGaps = TRUE, could SMC_ControlAxisByPos still be trying to reach the last fSetPosition using the fGapVelocity / fGapAcceleration / fGapDeceleration settings after the interpolator has stopped? What is the recommended sequence for safely aborting a running CNC program? For example, should the sequence be something like: Stop / Abort Interpolator Disable SMC_ControlAxisByPos Execute MC_Stop for all physical axes Wait until all axes reach standstill Abort/reset preprocessing blocks and CNC queues Reset CNC state Re-enable axis controllers Or is there a recommended CODESYS CNC method for performing a complete CNC Abort? I would especially like to understand why SMC_ControlAxisByPos.bBusy can occasionally remain TRUE and continue moving the axis even though the interpolator and preprocessing blocks have already been aborted. CODESYS SoftMotion CNC is being used with real EtherCAT servo axes. Any explanation about the correct abort/stop sequence would be appreciated.
Last updated: 2 days ago

Date Picker CODESYS Forge talk (Thread)
Date Picker
Last updated: 2026-01-14

Post by ilarioimi on Date Picker CODESYS Forge talk (Post)
Hello, I am new here and need some help. I have added the Date Picker to a visualization page. The date selection works, but the current day is not highlighted. The date and time are displayed correctly by the system, which is set by default to β€œVisuElems.Visu_DateTime.DisplayUTC:= FALSE;”. Is there some project setting or Visualization Manager setting that I am missing? Thank you. Ilario.
Last updated: 2026-01-14

Visu 4.9.1 auto-logon/login CODESYS Forge talk (Thread)
Visu 4.9.1 auto-logon/login
Last updated: 2026-01-14

Post by amira on Visu 4.9.1 auto-logon/login CODESYS Forge talk (Post)
Hello Julian, could you please check in Chrome Password Manager Settings if the option "Offer to save passwords" is set? With this option selected, a pop-up message will then show up asking whether or not to save the password. Choose OK. Hope this helps.
Last updated: 2026-01-14

Problem with missing content in Dialog Windows in Win11 CODESYS Forge talk (Thread)
Problem with missing content in Dialog Windows in Win11
Last updated: 2026-01-14

Post by schelchpaul on Problem with missing content in Dialog Windows in Win11 CODESYS Forge talk (Post)
Hello, i have the big Problem that dialog windows in Codesys 2.3 are cut off, as seen in the attached screenshots. I've tried to adjust the screen resolution, i tried changing scaling, i tried the compatibility options. To keep it short, nothing worked. If someone already had that problem and knows a fix, please answer.![]
Last updated: 2026-01-14

Problem with missing content in Dialog Windows in Win11 CODESYS Forge talk (Thread)
Problem with missing content in Dialog Windows in Win11
Last updated: 2026-01-14

Get the Best Deals on Dune Awakening Items | U4N Shop CODESYS Forge talk (Thread)
Get the Best Deals on Dune Awakening Items | U4N Shop
Last updated: 2026-01-15

Post by blisk2000 on Scheduler CODESYS Forge talk (Post)
Hi, I am looking for a scheduler like attached picture. Is a scheduler like this already available in Codesys? Thank you! Best regards! Zdenko
Last updated: 2026-01-16

Post by dim54 on Disabling automatic logout from the owner user CODESYS Forge talk (Post)
Hello! Please tell me how I can disable the automatic logout as the Owner user (CODESYS 3.5 SP15 Path 2). I have to reconnect multiple times during the workday. Thanks!
Last updated: 2026-01-16

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