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vrf Control of a Environmental Chamber with a Siemens SIMATIC OP7 Controller

Question asked by VRFuser on Dec 9, 2003
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML><HEAD><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"><META content="MSHTML 5.50.4611.1300" name=GENERATOR></HEAD><BODY><DIV><SPAN class=090372409-10122003><FONT face="Comic Sans MS">Good Morning all.</FONT></SPAN></DIV><DIV><SPAN class=090372409-10122003><FONT face="Comic Sans MS">I have a small environmental chamber with a Siemens SIMATIC OP7 Controller. This is controlled via RS232.</FONT></SPAN></DIV><DIV><SPAN class=090372409-10122003><FONT face="Comic Sans MS">I have read the manual but it does not make sense, it all seems to be register based commands.</FONT></SPAN></DIV><DIV><SPAN class=090372409-10122003><FONT face="Comic Sans MS">All I wish to do with the chamber is cycle from -30 to +50 in 10 Degree steps.</FONT></SPAN></DIV><DIV><SPAN class=090372409-10122003></SPAN> </DIV><DIV><SPAN class=090372409-10122003><FONT face="Comic Sans MS">Has anyone written any control for one of these?? If so can you help me.</FONT></SPAN></DIV><DIV><SPAN class=090372409-10122003><FONT face="Comic Sans MS"></FONT></SPAN> </DIV><DIV><FONT face="Comic Sans MS"><EM><DIV><FONT face="Comic Sans MS"><EM>Regards,</EM></FONT></DIV><DIV><FONT face="Comic Sans MS"><EM>Phill Griffin</EM></FONT></DIV><DIV><FONT face="Comic Sans MS"><EM>Nokia Mobile Phones</EM></FONT></DIV><DIV><FONT face="Comic Sans MS"><EM>Phone: 01252 867486</EM></FONT></DIV><DIV><FONT face="Comic Sans MS"><EM>Mobile: 07766 513344</EM></FONT></DIV><DIV><EM><FONT face="Comic Sans MS"><A href=""></A></FONT></EM></DIV></EM></FONT></DIV>---<BR>You are currently subscribed to vrf as:<BR>To subscribe send a blank email to "".<BR>To unsubscribe send a blank email to "".<BR>To send messages to this mailing list,  email "".  <BR>If you need help with the mailing list send a message to "".</BODY></HTML>