6. Function blocks
6. Function blocks
Function blocks offer pre-defined solutions for frequently occurring programming
tasks. The programming language you select will determine which function blocks will
be available.
Manufacturer function blocks
Manufacturer function blocks are available in easySoft 7 and directly on the device
Timer modules
HW - Weekly timer (Hour Week) → page 168
HY - Year time switch (Hora Year) → page 215
OT - Operating hours counter → page 188
RC - Real-time clock → page 192
T - Timing relay → page 195
WT - Weekly timer (WeekTable) → page 215
YT - Year time switch (Year Table) → page 209
Counter function blocks
C - Counter relay → page 218
CF - Frequency counter → page 224
CH - High-speed counter → page 230
CI - Incremental counter → page 237
Arithmetic and analog function blocks
A - Analog value comparator → page 244
AR - Arithmetic → page 250
CP – Comparator → page 255
LS - Value scaling → page 259
MM - Min-/Max function → page 264
PW - Pulse width modulation → page 267
Open-loop and closed-loop function blocks
DC - PID controller → page 272
FT - PT1-Signal smoothing filter → page 279
TC - Three step controller → page 297
VC - Value limitation → page 302
Data and register function blocks
BC - Block compare → page 306
BT - Block transfer → page 311
DB - Data function block → page 317
MX - Data multiplexer → page 322
SR - Shift register → page 326
TB - Table function → page 334
166
easyE4 11/18 MN050009 EN www.eaton.com