Data Tag

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Data Tag

Reading or Writing

 

N1 or B1

0 (zero)

N2 or B2

Type of memory. For more information, please check table Memory types

N3 or B3

Memory address

N4 or B4

Position of a bit. This is an optional parameter and is only valid for PLC Tags

Item

Format XX99999.99, in which XX represents a type of memory, 99999 represents a memory address, and .99 represents the position of a bit, optional. Users can also insert other characters, as long as this format's base is kept. This type of configuration is supported only in applications developed using Elipse E3, Elipse Power, or Elipse Water

 

A PLC or Block Tag that manipulates values from the memory of a device. The next examples are valid for the configuration of the Item property:

WM 12

WM 12.3

WM - 12.3

WM (12).(3)

WM [Memory 12].[Bit 3]

 

NOTE

This Tag only manipulates data in Number format. To read or write data via Block Tag, the number of Elements of this Tag determines the number of memory registers to read or write sequentially, starting from the initial address defined by the B3 parameter or defined by the value 99999 in the Item property.

 

Memory types

N2 or B2 Parameter

Value XX of Item Property

Description

0

ST

Status

1

DI

Digital input

2

DO

Digital output

3

AI

Analog input

4

AO

Analog output

5

WM

16-bit integer variable

6

WF

16-bit decimal variable

7

DM

32-bit integer variable

8

DF

32-bit decimal variable

9

RM

Real or floating point variable

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