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RCV_CFG_DB. ENDSEQ & ENDSEQ Char

Created by: wolka at: 6/2/2014 1:56 PM (4 Replies)

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6/2/2014 1:56 PM	Rate (0)
wolka Bronze Member Joined: 3/26/2009 Last visit: 4/20/2023 Posts: 130 Rating: (0)	I need to configure ASCII symbols of Start & End of PtP message in RCV_CFG_DB. ASCII symbols of start and end of my message are respectively 10 (16#A) and 13 (16#D). I have to put those symbols value into DB as Char data type, but I don't know their Char mapping for this command. best rgrds

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6/2/2014 2:21 PM	Rate (0)
0_Einstein Diamond Expert Joined: 7/7/2010 Last visit: 6/9/2023 Posts: 13374 Rating: (2185)	wolka I need to configure ASCII symbols of Start & End of PtP message in RCV_CFG_DB. ASCII symbols of start and end of my message are respectively 10 (16#A) and 13 (16#D). I have to put those symbols value into DB as Char data type, but I don't know their Char mapping for this command. best rgrds $R is the char for return (16#0D). Check the F1-help for a better list of the character values that are like that one. Also in the S7-1200 System Manual, 04/2012 or later, search for Valid ASCII control characters to find a complete list of similar short-cut character combinations.
	science guy
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6/3/2014 10:45 AM	Rate (0)
wolka Bronze Member Joined: 3/26/2009 Last visit: 4/20/2023 Posts: 130 Rating: (0)	I configured the RCV_CFG data as: dez# 01 in start.startcond (recognize single character) hex# 02 in start.startchar hex# 01 in STRSEQ1CTL Char $N in STRSEQ1 (Symbols from manual page 116) dez# 32 to "end.Endcond" hex# 10 to "end.seq.ctl" Char '$R' to end.seq.str[5] but the character $N in the STRSEQ1 is not accepted: The data type of the actual parameter does not match the data type Char of the formal parameter.

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6/3/2014 4:20 PM	Rate (0)
0_Einstein Diamond Expert Joined: 7/7/2010 Last visit: 6/9/2023 Posts: 13374 Rating: (2185)	wolka I configured the RCV_CFG data as: dez# 01 in start.startcond (recognize single character) hex# 02 in start.startchar hex# 01 in STRSEQ1CTL Char $N in STRSEQ1 (Symbols from manual page 116) dez# 32 to "end.Endcond" hex# 10 to "end.seq.ctl" Char '$R' to end.seq.str[5] but the character $N in the STRSEQ1 is not accepted: The data type of the actual parameter does not match the data type Char of the formal parameter. Char '$R' is not the same as Char $R. Try creating a watch table with a char tag. Now find the right combination of $R & $N to get the value you want. If you put your Char in a DB, you can then use the watch table to view the hex value of your char live. I have only used the $R character. I am surprised the $N is not working though. Try your watch table and see what you can come up with.
	science guy
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12/30/2021 3:16 PM	Rate (0)
C-3PO Bronze Member Joined: 5/30/2014 Last visit: 6/7/2023 Posts: 117 Rating: (12)	wolka I configured the RCV_CFG data as: ................ Char $N in STRSEQ1 (Symbols from manual page 116) ................ Char '$R' to end.seq.str[5] but the character $N in the STRSEQ1 is not accepted: The data type of the actual parameter does not match the data type Char of the formal parameter. The reason that $N is not accepted is that $N is the two character constant, consisted from the Line feed (LF) and Carriage return (CR). You probably wanted single CR, which is represented by $R or $r (the same manual and page reference). Be aware that many protocols and usual ASCII text files uses combination CR-LF, which is different from TIA Portal $N (LF-CR)!
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