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Problem with DINT in FOR expression

Created by: Deka at: 1/25/2010 10:58 PM (2 Replies)

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1/25/2010 10:58 PM	Rate (0)
Deka Posts: 65 Rating: (0)	Hi, I have a problem with my FOR expression. FOR i:=1 TOmax_count DO ... END_FOR; If max_count is an INT, then the compiler is running okay.But if max_count is a DINT, then the compiler creates an error, that the data type of FORexpression is invalid; must be INT or DINT. Why this error occurs? max_count is a DINT... Can anybody help me? Dennis
Deka Posts: 65 Rating: (0)
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1/26/2010 2:48 AM	Rate (1)
Sydney Gold Member Joined: 1/4/2008 Last visit: 12/22/2025 Posts: 703 Rating: (98)	Deka Hi, I have a problem with my FOR expression. FOR i:=1 TOmax_count DO ... END_FOR; If max_count is an INT, then the compiler is running okay.But if max_count is a DINT, then the compiler creates an error, that the data type of FORexpression is invalid; must be INT or DINT. Why this error occurs? max_count is a DINT... Can anybody help me? Dennis Hello Dennis, the control variable has to be of the same type as the initial and end values so if the end value in your example is declared as DINT, also "i" has to be declared as DINT, isn't this the problem? Regards Sydney

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This contribution was helpful to 1 thankful Users Deka

1/26/2010 8:12 AM	Rate (0)
Deka Posts: 65 Rating: (0)	Hi Sydney, great! This was the reason. I set "i" to DINT and it works. Thank you very much! Dennis
Deka Posts: 65 Rating: (0)
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