Siemens SIMATIC NET Betriebsanweisung PDF herunterladen (Seite 33)

Item Names 29

Flag Bytes (Merker) (continued)

Data Format Item/Point Suffix Data Type Range

FINTn

Integer -32768 to 32767

Integer

MINTn

Integer -32768 to 32767

BCD Integer -999 to 999

D Message 1990-1-1 to 2168-12-31

Integer Array

FINTn,v

Message Hex ASCII String

MINTn,v

Message Hex ASCII String

FDm

MDm

Integer

0 to 2147483647

Double Word

FDWORDm

MDWORDm

Integer

0 to 2147483647

BCD Integer 0 to 99999999

TOD Message 0:00:00.000 to 23:59:59.999

T Message -24D_20H_31M_23S_648MS to

24D_20H_31M_23S_647MS

Double Word

Array

FDm,v

MDm,v

Message Hex ASCII String

FDWORDm,v

MDWORDm,v

Message

Hex ASCII String

Integer

-2147483648 to 2147483647

Double

Integer

FDINTm

BCD Integer -9999999 to 9999999

MDINTm

TOD Message 0:00:00.000 to 23:59:59.999

T Message -24D_20H_31M_23S_648MS to

24D_20H_31M_23S_647MS

Double

Integer Array

FDINTm,v

MDINTm,v

Message

Hex ASCII String

Real

FREALm

MREALm

Real

±3.4e38

Real Array

FREALm,v

MREALm,v

Message Hex ASCII String

Note All Flags are Read/Write (x=0 to 65,535, y=0 to 7, n=0 to 65,534, m=0 to 65,532,

v=1 to net PDU data size/type size - header information, this size may vary). The

longest string or array that can be read in a cyclic service has the length of the PDU size

minus 32 bytes. The longest string InTouch can process is 131 bytes. The longest string

that can be poked is 256 bytes or the PDU size minus 28 bytes, whichever is less.

Arrays are converted into HEXASCII strings representing the big endian format of the

binary data. The Wonderware Siemens SIMATIC NET S7 I/O Server will process a

write (POKE) to a Flag Byte.

1 2 ... 28 29 30 31 32 33 34 35 36 37 38 ... 67 68

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