PID control of an existing one question to ask you this: actuator control is off control, how to use the wizard to complete PID control actuator switch it??? Previous contacts analog control, a good understanding, both to control the PID instruction output point, (opening and closing), do not understand such a function block it Siemens? Execution time [...]
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The question on modules
April 19th, 2010 by admin
In the 1756 series, CPU 250 maximum allowed connections, CNBR the maximum allowed 64 connections, that CPU of the connection and the connection CNBR were referring to what connection, what is the difference? These connections are connections that CIP, CIP communications need to establish a connection before communication ends, CIP circumstances can refer to “layman [...]
PLC training situation
April 19th, 2010 by admin
PLC applications currently depend primarily on the supply of university staff (set-related workers 267), higher (than 600) and schools (over 2000). The relevant professional known as “automatic” Mechanical Manufacturing and Automation “, Electrical Automation” and “mechatronics”. Provision of the relevant professional schools, including the extensive from Tsinghua University, Zhejiang University, the first-class facilities, the various vocational training institutions, professional [...]