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Old July 15th, 2017, 06:25 AM   #1
bigmuz
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GX Developer with FX3S, only 8 X bits are available?

Hi gents,

I am a recent beginner with GX Developer and the Mitsubishi PLC's and I have got a couple of programs up and running. I have started a new program and I need 16 inputs but GX Developer isn't happy with me using anything above 8 X bits in the program. I have looked everywhere for the setting and searched the manual but I'm struggling.

I'm using simple mode and I can't find anywhere to set the number of inputs the PLC I'm using has.

Any help would be very much appreciated, thank you.
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Old July 15th, 2017, 06:31 AM   #2
bigmuz
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I think I worked it out, it's octal numbered so X000 to X007, then X010 to X017..
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Old July 16th, 2017, 03:24 PM   #3
Ronnie Sullivan
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That is correct.
Inputs and outputs are octal based but
The rest of the memory is decimal or hexadecimal
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Old July 19th, 2017, 12:25 PM   #4
craven21
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Isnt the I/O labeled on the PLC
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