pascalSCADA OPM: S7Types: Record TS7Req

Pascal SCADA OPM

previous page next page

Record TS7Req

Description
Hierarchy
Fields
Methods
Properties

Unit

S7Types

Declaration

type TS7Req = record

Description

: Struture that identifies a request of read/write of PLC memories.

See also
vtS7_200_SysInfo
vtS7_200_SM
vtS7_200_AnInput
vtS7_200_AnOutput
vtS7_200_Counter
vtS7_200_Timer
vtS7_Peripheral
vtS7_Inputs
vtS7_Outputs
vtS7_Flags
vtS7_DB
vtS7_DI
vtS7_Local
vtS7_V
vtS7_Counter
vtS7_Timer

Overview

Fields

header:array[0..2] of Byte;
WordLen:Byte;
ReqLength:Word;
DBNumber:Word;
AreaCode:Byte;
HiBytes:Byte;
StartAddress:Word;

Description

Fields

header:array[0..2] of Byte;

Request header. Always is the sequence 0x12, 0x0a, 0x10.

WordLen:Byte;

Word length (1=single bit, 2=byte, 4=word)

ReqLength:Word;

Request length.

DBNumber:Word;

DB Number.

AreaCode:Byte;

Requested area code.

HiBytes:Byte;

Start address high byte.

StartAddress:Word;

Start address lower word.

Generated by PasDoc 0.14.0.
previous page start next page