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Messages - cyatom

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1
Technical support / IF statements
« on: October 23, 2006, 05:59:01 PM »
I seem to be getting a lot of checksum errors when I cycle the power on my plc.  If I write the program and transfer it, it works fine.  However, when I cycle the power on the plc, it comes back with a checksum error.

It seems to be correlated with using 'AND' in my 'IF' statements. i.e.
IF (N < 0) AND (R > 2) STEPMOVE 1,5,10:ENDIF

Has anybody else been getting these problems?

2
Technical support / program transfer to plc - password
« on: October 17, 2006, 03:50:06 PM »
whenever i try to transfer a program to the plc, it says, 'Transfer protected by password'.  however, i don't know what the password is anymore.  is there a way to physically 'flash' the plc or reset the password using jumpers, etc.?

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