Siemens NAN 67 Series Wartungshandbuch PDF herunterladen (Seite 308)

Index-4

Ladder Logic (LAD) for S7-300 and S7-400

C79000-G7076-C504-02

Count value

format, 10-2

range, 10-2

Counters

area in memory, 10-2

count value

format, 10-2

range, 10-2

instructions used with counters

Down Counter Coil ––(CD), 8-13

practical applications, B-11–B-12

Set Counter Value ––(SC), 8-11

Up Counter Coil ––(CU), 8-12

Up-Down Counter (S_CUD), 10-3–10-4

number supported, 10-2

Counting

down, 8-13, 10-7–10-8

up, 8-12, 10-5–10-6

up and down, 10-3–10-4

CPU registers, accumulators

count value in accumulator 1, 10-2

time value in accumulator 1, 9-3

Create

data block, 4-4

user program, 3-2

D

Data block (DB)

changing actual values, 4-7

instance, 20-6

methods of creating, 4-2

Data blocks, 2-3

data view of, 4-6

declaration view, 4-5

with associated FB, 4-2

with associated UDT, 4-2

Data format. See Number notation

Data type, in the declaration table, 3-7

Data types, 7-3, C-2

Boolean (BOOL), 7-3, C-2, C-3

BYTE, 7-3, C-3

byte, C-2

character (CHAR), 7-3, C-3

date (D), 7-3, C-3

DATE AND TIME (DT), C-10

double integer (DINT), 7-3, C-3, C-4

double word (DWORD), 7-3, C-2, C-3

integer (INT), 7-3, C-3

REAL, 7-3, C-3

real (REAL), C-4–C-6

S5 TIME, 7-3, C-3, C-9

time (T), 7-3, C-3

time of day (TOD), 7-3, C-3

user defined, 2-4

WORD, 7-3, C-3

word, C-2

Data view, 4-6

Date and time (DT)

format, C-10

range, C-9

Debugging, 3-23

Declaration table

for data blocks, 4-2

structure when creating a DB, 4-5

syntax check, 4-5

Declaration type

changing, 3-8

meaning, 3-7

Declaration view, 4-5

DI_BCD. See Double Integer to BCD

conversion instruction

DI_REAL. See Double Integer to Real

conversion instruction

DIV_DI. See Divide Double Integer math

instruction

DIV_I. See Divide Integer math instruction

DIV_R. See Divide Real floating-point math

instruction

Divide Double Integer (DIV_DI) math

instruction, 11-9–11-10

Divide Integer (DIV_I) math instruction,

11-8–11-9

Divide Real (DIV_R) floating-point math

instruction, 12-6–12-7

Double integer (DINT), range, 7-3, C-3

Double Integer to BCD (DI_BCD) conversion

instruction, 14-8–14-9

Double Integer to Real (DI_REAL) conversion

instruction, 14-9–14-10

Double integers

comparing two, 13-3–13-4

format, C-4

range, C-4

Double word (DWORD)

data type, C-2

range, 7-3, C-3

Down Counter (S_CD) instruction, 10-7–10-8

Down Counter Coil ––(CD) instruction, 8-13

Downloading blocks, 2-6

Index

1 2 ... 303 304 305 306 307 308 309 310 311 312 313 ... 317 318

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