6. Function blocks6. Function blocksFunction blocks offer pre-defined solutions for frequently occurring programmingtasks. The programming language you select will determine which function blocks willbe available.Manufacturer function blocksManufacturer function blocks are available in easySoft 7 and directly on the deviceTimer modulesHW - Weekly timer (Hour Week) → page 168HY - Year time switch (Hora Year) → page 215OT - Operating hours counter → page 188RC - Real-time clock → page 192T - Timing relay → page 195WT - Weekly timer (WeekTable) → page 215YT - Year time switch (Year Table) → page 209Counter function blocksC - Counter relay → page 218CF - Frequency counter → page 224CH - High-speed counter → page 230CI - Incremental counter → page 237Arithmetic and analog function blocksA - Analog value comparator → page 244AR - Arithmetic → page 250CP – Comparator → page 255LS - Value scaling → page 259MM - Min-/Max function → page 264PW - Pulse width modulation → page 267Open-loop and closed-loop function blocksDC - PID controller → page 272FT - PT1-Signal smoothing filter → page 279TC - Three step controller → page 297VC - Value limitation → page 302Data and register function blocksBC - Block compare → page 306BT - Block transfer → page 311DB - Data function block → page 317MX - Data multiplexer → page 322SR - Shift register → page 326TB - Table function → page 334166 easyE4 11/18 MN050009 EN www.eaton.com