In Siemens S7-300 PLC, what is funtion and funtion block ?
What is the difference between them ? When to use function
and when to use function block
Answer Posted / william lobo
support.automation.siemens.com
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vi S7 Standard Functions Part 2 C79000-G7076-C113-02 The
following functions and function blocks are described in
this manual:
Function or Function Block
Number
Page
oftware Timer On Delay—Retentive (TONR) FC80 5-2 Indirect
Block Move (IBLKMOV) FC81 4-2 Reset Range of Outputs (RSET)
FC82 1-2 Set Range of Outputs (SET) FC83 1-6 Add to Table
(ATT) FC84 2-2 First In/First Out Unload Table (FIFO) FC85
2-4 Table Find (TBL_FIND) FC86 2-6 Last In/First Out Unload
Table (LIFO) FC87 2-9 Table (TBL) FC88 2-11 Move Table to
Word (TBL_WRD) FC89 2-13 Word Shift Register (WSR) FC90 3-2
Word to Table (WRD_TBL) FC91 2-15 Bit Shift Register (SHRB)
FC92 3-4 Seven Segment Decoder (SEG) FC93 6-2 ASCII to Hex
(ATH) FC94 6-4 Hex to ASCII (HTA) FC95 6-6 Encode Binary
Position (ENCO) FC96 6-8 Decode Binary Position (DECO) FC97
6-9 Ten’s Complement (BCDCPL) FC98 6-10 Sum Number of Bits
(BITSUM) FC99 6-11 Reset Range of Immediate Outputs (RSETI)
FC100 1-4 Set Range of Immediate Outputs (SETI) FC101 1-8
Standard Deviation (DEV) FC102 7-2 Correlated Data Table
(CDT) FC103 2-18 Table to Table (TBL_TBL) FC104 2-21
Scaling Values (SCALE) FC105 6-12 Unscaling Values
(UNSCALE) FC106 6-14 Lead/Lag Algorithm (LEAD_LAG) FB80 6-
16 Discrete Control Alarm Timer (DCAT) FB81 5-4 Motor
Control Alarm Timer (MCAT) FB82 5-7 Index Matrix Compare
(IMC) FB83 8-2 Scan Matrix Compare (SMC) FB84 8-6 Event
Maskable Drum (DRUM) FB85 5-10 Pack Data (PACK) FB86 4-4
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