Rockwell Automation 2706-MB1 MESSAGEVIEW 421 SOFTWARE MANUAL User Manual

Page 302

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Tags and Data Types

G–2

Publication 2706-817

Tag

Range

Purpose

Type

Special Message 9905: Second

Unsigned Integer

A value for setting the second of the Real-Time Clock in the
terminal. The value is acquired when Special Message 9905 (Set
Time/Date) is triggered.

0-59

Special Message 9908: Set
Brightness

Unsigned Integer

A value for setting the level of brightness of the terminal display.
Bit

Brightness

Bit

Brightness

0

12%

4

60%

1

25%

5

75%

2

38%

6

87%

3

50%

7

100%

0–7

Value trigger

Unsigned Integer

A value for triggering messages by their message number. The
terminal continuously scans for a new (changed) trigger value.

1-9900

Write tags are controlled by the terminal. For Remote I/O, write tags
are Input or BTR.

Tag

Type

Purpose

Range

Message Return number

Unsigned Integer

A value that indicates the message number of the last-triggered
message on display when the message does not require
Acknowledge nor have Function Keys enabled.

1-9900

Acknowledge

Bit

A bit that when set informs the logic controller that the Ack key is
pressed for a message that requires Acknowledgement by the
operator.

0, 1

Acknowledge Return Number

Unsigned Integer

A value that indicates the message number of the last–triggered
message on display when the message requires
Acknowledgement by the operator.

1-9900

Function Key

Bit

A bit that when set indicates that a Function Key has been
pressed. The behavior of this bit is determined by the type of
Function Key and how it is configured.

0, 1

Function Key Return Number

Unsigned Integer

A value that indicates the message Number of the last-triggered
message on display when the message has one or more Function
Keys enabled.

1-9900

Numeric Entry

Signed Integer,

Unsigned

Integer, or BCD

A numeric value that indicates the operator entered value
whenever a message with an embedded Numeric Variable Entry is
on display. A Numeric Entry tag is required for every embedded
Numeric Variable Entry in the application.

Depends on

the type.

Numeric Entry Notification

Bit

A bit that when set informs the controller that the Numeric Variable
Entry is changed and ready to be acquired by the controller.

0, 1

ASCII Entry

Character Array

Alphanumeric characters entered by an ASCII Input device. An
ASCII Entry tag is required for every embedded ASCII Variable
Entry in the application.

Depends on

the ASCII

Input device

ASCII Entry Notification

Bit

A bit that when set informs the controller that the ASCII Variable
Entry is changed and ready to be acquired by the controller.

0, 1

HE Stack Status 85%

Bit

A bit that when set indicates that the HE Stack is 85% full.

0, 1

HE Stack Status 95%

Bit

A bit that when set indicates that the HE Stack is 95% full.

0, 1

HE Stack Status 100%

Bit

A bit that when set indicates that the HE Stack is 100% full.

0, 1

Special Message 9906: Year

Unsigned Integer

A value that indicates the year of the Real-Time Clock in the
terminal. The value is available when Special Message 9906 (Get
Time/Date) is triggered.

0-65535

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