Belt Scale Parts Replacement

The problem of component damage during the actual operation of the electronic belt scale often troubles the on-site maintenance personnel. Because there are no spare parts, the electronic belt scale often results in outage.   01 When visiting a mineral processing plant, I saw that a belt scale has been out of service. This scale…

FC, FB and background DB of S7-300

Overview 1. The Chinese name of FC is “Function”, and the Chinese name of FB is “Function Block” (respectively called “Function” and “Function Block” in the blog) 2. FC and FB are equivalent to subroutines in 200 and 200Smart. The purpose of writing subroutines is to facilitate multiple calls 3. FB is more powerful than…