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| 8/6/2013 3:10 PM | |
Joined: 9/27/2006 Last visit: 1/16/2026 Posts: 12481 Rating:
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Hello Leonardo; I am confused at the way you express your choices; do you mean you are using a EM 231, 2-channed RTD input, model6ES7 231--7PB22--0XA0? In that case there is no 4-20 mA connection. If you do use a EM 231 RTD module you can connect directly your RTD as a 3-wire sensor, as seen in the attachment below. This is taken from the S7-200 System Manual, which you should refer to whenever you have questions of the same order. The dipswitch configurationis explained in Appendix A. table A-31. If you have a standard analog input module and want to connect your RTD as a 4-20 mA signal, you need to insert a transmitter designed for such purposes. You can find a listing of manufacturers in the following pages: Google: RTD to4-20 mA transmitters Hope this helps, Daniel Chartier |
Last edited by: dchartier at: 8/6/2013 3:25 PM |
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