Posted 25 Aug 2011 We have a spec sheet for a em 231 analog input rtd 4 input module. It only shows four wire RTD terminations. Is it possible to connect a two wire RTD to this module and if so how is this done properly. 6ES7 231-7PC22-0XA0 Share this post Link to post Share on other sites
Posted 26 Aug 2011 Hi Yes it can be done see attached page431.pdf Share this post Link to post Share on other sites