Uploading from NT2S-SF121B EV2

[Sheva_spd 0]

Hi everyone... i need somehelp, i have NT2S-SF121B EV2 which already had a program in it i want to upload the program, because i don't have the source but when i uploading the program, it always fail the NT2S LCD display blank, then PLC link lost occur in the LCD display. is there any protection in it? thank for your help

[PMCR 66]

I don't know which version of the NT2S software you are using, but I have had some older NT2S units that I could only upload with software version 1.3c. 2.0a would not upload from the units.

[Sheva_spd 0]

i'm using NT2S program version 1.00 okey, i better try to upgrade my version. thanx for your help

[MPM 1]

What is the lotnumber of the Nt2S?? internal memory is 24KB or 8KB? regards,