dear all,

I just want to take SITOP 24VDC actual voltage in AI card for online monitoring. please suggest is it possible?? and if possible what should I do?

 Hi

Harry55

dear all,

I just want to take SITOP 24VDC actual voltage in AI card for online monitoring. please suggest is it possible?? and if possible what should I do?

 This phoenix contact signal conditioner helps you create standard analog signals.

Regards

Hosein

Hello Harry

Firstly if you want to make sure that your PS is working properly , actually all the SITOPs have a relay which in the normal operating conditions (PS is making the output voltage with no problem) gives you a NC contact. you can monitor it.

if you really wants to monitor PS voltage, as you know AI channels of PLC will accept at max 10vDC, so you need a conditioner (24vDC to 10vDC or 5vDC) or you can use a simple circuit to divide 24vDC to some other voltage as you wish. I attached a photo which show you how do it. 

Also you can use such circuits to make a >20mA from your PS and monitor it.

Hope it is useful