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Topic:
Panasonic AE2000 RS-232
This thread has 4 replies. Displaying all posts.
Post 1 made on Thursday November 29, 2007 at 23:00
drewski300
Super Member
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It states:

STX / Command / : / Parameter / ETX
Start / 3 bytes / : / 1-4 bytes / End
(02h) STX (03h) ETX

: is not needed if there is no Parameter's

Power on command PON with no parameter's

How am I suppose to structure the command?
(02h)PON(03h)\r or do I have to convert the STX and ETX to something else or do something else with the carriage return?
Recieves data on 3.
9600
8n1

Any suggestions or experiences with Panasonic serial control? Thanks for the help!
By looking down the threads, I think 232 will be the main topic in a few months!

Last edited by drewski300 on November 30, 2007 20:14.
"Just when I thought you couldn't possibly be any dumber, you go and do something like this... and totally redeem yourself!"
Post 2 made on Friday November 30, 2007 at 18:59
ErikS
Active Member
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699
In standard ascii entry mode it would look like this:
\x02PON\x03
OP | Post 3 made on Friday November 30, 2007 at 20:29
drewski300
Super Member
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So STX in hex is 02. 02 is \x02. I now get that but why do they show (02h)? Is that referring to 02 hex?

Is the end byte all panasonic needs? No carriage return because that is not their specs, the start and end byte are what get the string going/ending.

Thanks again this is starting and I mean starting to make sense.
"Just when I thought you couldn't possibly be any dumber, you go and do something like this... and totally redeem yourself!"
Post 4 made on Saturday December 1, 2007 at 12:35
ErikS
Active Member
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July 2003
699
To get somewhat techy, STX or Start of Text is represented in hex as 02. Panasonic uses 02h to define it and RTI uses \x02. The same is true for ETX or End of Text using 03.

There are several ways to represent the same thing in serial. For example:
ascii character 1 (on a keyboard) is equal to
hex 31
hex can be seen as 02h, \x02, 0x02 plus several more
decimal 49
decimal can be seen as 049, \d049
oct 61
html & # 49 ; without the spaces
binary 110001
binary is how the electonic pulses are actually sent

It just depends on what language it is documented in. Some maufacturers use strictly ascii, some use only hex, or in Panasonic's case a mixture. It all sends the same 1's and 0's in the end.
OP | Post 5 made on Saturday December 1, 2007 at 18:13
drewski300
Super Member
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Posts:
January 2007
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Thanks. I do appreciate the help!
"Just when I thought you couldn't possibly be any dumber, you go and do something like this... and totally redeem yourself!"


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