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Tio Paeng

OMRON ZEN

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I've been playing with this little PLC and it's not bad at all just to do basic relay functions. My question is if the Omron Zen is capable of reading 4-20ma devices? Thanks, TioPaeng

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Welcome to the forum. The DC powered ZEN units have two 0 - 10 vdc analog inputs. You could convert the 4-20mA to 1-5vdc using a 250 ohm resistor. You would loose some resolution, but it should work. Hope this will help. Edited by gtsuport

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Thanks for info, I'm trying to install a 4-20ma vacuum transducer and when it detects a vacuum drop it will send out an alarm and turn the other backup vacuum on. Is this possible with the Zen? Thanks for the fast reply, TioPaeng

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gtsuport is correct. According to the manual the DC Zens have 2x 0-10VDC inputs ONLY!!

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