dino2014 Posted July 11, 2014 Report Posted July 11, 2014 hello: I have the FX2N-32MT and one FX2N-4AD module; if I set 4 channels as voltage input, it's no problem, I change channel 2 as current input (4-20mA), I got error digit,my program as 1.jpg; I read BFM#29, and I got b0 and b2 ; but I monitor the data register, the value can be changed if I decrease or increase the 4~20mA, please some one help. Thanks Quote
Bryll Posted July 11, 2014 Report Posted July 11, 2014 When connected to a voltage source, you should use V+ and VI- terminals on the FX2N-4AD module. But when you switch over to current mode should you place a jumper between V+ and I+ terminals. Have you done that ? Quote
dino2014 Posted July 11, 2014 Author Report Posted July 11, 2014 one thing I missed, b0 and b2 keep flashing Quote
dino2014 Posted July 11, 2014 Author Report Posted July 11, 2014 to Sparky: Thanks for your reply, yes, the wiring is correct, V+ and I+ connected. Quote
dino2014 Posted July 11, 2014 Author Report Posted July 11, 2014 I think I fix the problem, it comes from the program.... Quote
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