[Analog inputs-Snap and expansion modules]

Hi,

Please update your link. It show error.

If you continue to have difficulties - send your project to support@unitronics.com

B.R.

model of current transformer CS-SD420L

[Analog inputs-Snap and expansion modules]

Hello,

 

Now iam working with naked V570 HMI and v200-18-E4XB snap module + expansion module IO-ATC8.

 

 

I got some problems with IO-ATC8 analog inputs. 

 

 

In my setup iam use  current transformer http://www.ecproducts.co.uk/productdetail.asp?cat=24&item=4&pid=2135. 

 

 

Current transformer output is 4-20mA , so IO-ATC8 range of data iam  using is 3277-16383 hardware configuration "normal mode", tumbler settings for current aquistion.

 

 

My goal is show current value in HMI display, but there are some probems. Real values i getting is  2027-4323 ( these numbers not evry time the same).

 

One time after restart of PLC  ( power on/off) i saw good range  3277-16383. But after another restar input values changed  2027-4323.

 

 

 

I dont know what to do, because same type transformer working in another el. cabinet, it connected to HMI snap input, range 819 to 4095. It works but some times snap input not working properly ( after resets), then i need turn of plc and wait, after aproximetly 30min input starts work fine. Hardware setting adjusted for current input.

 

 

I measure transformer output it works fine.

 

 

Waiting for Help.

 

Best regards,