Search talk: Object reference not set to an instance of an object

 
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OPCUA Example not working CODESYS Forge talk (Thread)
OPCUA Example not working
Last updated: 2015-12-30

var_dyn not implemented CODESYS Forge talk (Thread)
var_dyn not implemented
Last updated: 2009-11-19

SFC not available CODESYS Forge talk (Thread)
SFC not available
Last updated: 2022-11-17

FB output not updating CODESYS Forge talk (Thread)
FB output not updating
Last updated: 2016-04-11

TON ET not running CODESYS Forge talk (Thread)
TON ET not running
Last updated: 2021-08-19

GPIO not responding CODESYS Forge talk (Thread)
GPIO not responding
Last updated: 2016-12-30

Visualization not following points CODESYS Forge talk (Thread)
Visualization not following points
Last updated: 2021-10-18

Can not generate code CODESYS Forge talk (Thread)
Can not generate code
Last updated: 2018-10-23

Installation not possible CODESYS Forge talk (Thread)
Installation not possible
Last updated: 2021-07-27

RecipeManCommands.SetRecipeValues not working CODESYS Forge talk (Thread)
RecipeManCommands.SetRecipeValues not working
Last updated: 2020-02-14

Codesys Key not recognized CODESYS Forge talk (Thread)
Codesys Key not recognized
Last updated: 2020-01-16

IF NOT AND question CODESYS Forge talk (Thread)
IF NOT AND question
Last updated: 2018-11-26

CmpCodeMeter library not signed CODESYS Forge talk (Thread)
CmpCodeMeter library not signed
Last updated: 2016-09-20

eth1: raspberry not found CODESYS Forge talk (Thread)
eth1: raspberry not found
Last updated: 2018-01-24

Packages not installing CODESYS Forge talk (Thread)
Packages not installing
Last updated: 2021-09-14

INT_TO_WORD function not working CODESYS Forge talk (Thread)
INT_TO_WORD function not working
Last updated: 2024-01-26

DataSource not working CODESYS Forge talk (Thread)
DataSource not working
Last updated: 2024-02-01

EtherCAT drive not moving CODESYS Forge talk (Thread)
EtherCAT drive not moving
Last updated: 2024-03-05

Identifier 'IoDrvGPIO' not defined CODESYS Forge talk (Thread)
Identifier 'IoDrvGPIO' not defined
Last updated: 2024-04-11

New License not working. CODESYS Forge talk (Thread)
New License not working.
Last updated: 2024-05-24

Post by dengsberg on Disable Communications to 'Modbus_Server_COM_Port' from the logic CODESYS Forge talk (Post)
I have a serial Modbus RTU communicating to the Slave device. But when the control system is not in Run there is no power applied to one of the Modbus Devices. Can I enable / disable the communications to that Modbus Slave in the code based on my running mode, so I don't get all the errors?
Last updated: 2024-08-29

Post by dkugler on Color Change for Symbols not working CODESYS Forge talk (Post)
to modify and change the color of this icons from symbols lib I placed it in a visu. After download to the device, I uploaded the SVG files and saved it local. Now I was able to modify them with inkscape and import it to my own imagepool in the project :-)
Last updated: 2024-02-13

Post by talhaali on Active alarm access in ST CODESYS Forge talk (Post)
Hi, I am trying to access active alarms in code(As alarm count variable updates only when we go to to alarm table frame in visualization). I wrote following code but it is not working: VAR iCountActiveAlarms : INT; parritfActiveAlarms : POINTER TO ARRAY[0..0] OF IAlarm; itfAlarmManagerClientAll : IAlarmManagerClient; END_VAR AlarmManager.g_AlarmHandler.GetActiveAlarms( itfAlarmManagerClient :=itfAlarmManagerClientAll, iCountActiveAlarms => iCountActiveAlarms, parritfActiveAlarms => parritfActiveAlarms); The Value is always 0. Please help.
Last updated: 2024-06-06

Post by talhaali on Can't read Alarm Class from Alarm Storage CODESYS Forge talk (Post)
Hi, I am trying to access active alarms in code(As alarm count variable updates only when we go to to alarm table frame in visualization). I wrote following code but it is not working: VAR iCountActiveAlarms : INT; parritfActiveAlarms : POINTER TO ARRAY[0..0] OF IAlarm; itfAlarmManagerClientAll : IAlarmManagerClient; END_VAR AlarmManager.g_AlarmHandler.GetActiveAlarms( itfAlarmManagerClient :=itfAlarmManagerClientAll, iCountActiveAlarms => iCountActiveAlarms, parritfActiveAlarms => parritfActiveAlarms); The Value is always 0. Please help.
Last updated: 2024-06-06

Post by talhaali on Can't read Alarm Class from Alarm Storage CODESYS Forge talk (Post)
Hi, I am trying to access active alarms in code(As alarm count variable updates only when we go to to alarm table frame in visualization). I wrote following code but it is not working: VAR iCountActiveAlarms : INT; parritfActiveAlarms : POINTER TO ARRAY[0..0] OF IAlarm; itfAlarmManagerClientAll : IAlarmManagerClient; END_VAR AlarmManager.g_AlarmHandler.GetActiveAlarms( itfAlarmManagerClient :=itfAlarmManagerClientAll, iCountActiveAlarms => iCountActiveAlarms, parritfActiveAlarms => parritfActiveAlarms); The Value is always 0. Please help.
Last updated: 2024-06-06

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