Siemens SIMATIC NET Guia do Utilizador descarregar pdf (Página 35)

Item Names 31

Input Bytes (Eingänge) (continued)

Data Format Item/Point Suffix Data Type Range

Double Word Array

IDm,v

EDm,v

Message

Hex ASCII String

IDWORDm,v

EDWORDm,v

Message

Hex ASCII String

Double Integer

IDINTm

EDINTm

Integer

-2147483648 to 2147483647

BCD Integer -9999999 to 9999999

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

IDINTm,v

EDINTm,v

Message

Hex ASCII String

Real

IREALm

EREALm

Real

±3.4e38

Real Array

IREALm,v

EREALm,v

Message

Hex ASCII String

Note All Inputs are Read Only (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. 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 not process a write

(POKE) to an Input Byte.

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 67 68

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