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Inserting variables in messages – Rockwell Automation 2706-LV2P_LV2R_LV4P_LV4R DL40 PLUS USER MANUAL User Manual

Page 32

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Using the Onboard Editor to Create Messages

2–6

Publication 2706-6.1

You can send variables to the DL40 Plus from a PLC via the Remote
I/O, RS-485, RS-232, or Parallel port. Variables can be sent to
messages only in the Message/Variable/Slave or Message/Variable
Run modes. To insert variables in a message, press the

[CTRL]

key in

combination with a letter. Commands to add or modify variables
include:

Command

Function

[CTRL][V]

Insert a BCD or binary variable

[CTRL][F]

Change the formatting parameters of a variable

[CTRL]W]

Insert ASCII or BCD variable data

[CTRL][X]

Insert request for ASCII input data

[CTRL][T]

Insert the system time into a message

[CTRL][Y]

Insert the system date into a message

The number of variables you can insert in a message depends on
your hardware and the selected Run mode.

Insert Formatted Variable

[CTRL][V]

Use

[CTRL][V]

to insert a BCD or binary variable in a message.

Specify the variable type.

When you press

[CTRL][V]

, you are prompted to enter 3 parameters:

Parameter

Acceptable values

Variable Size

1 to 7 (including decimal point)

Decimal Point Position
(number of places after the
decimal point)

0 to 6 (the maximum value is one less than the
variable size selected above)

Suppress Zeroes
(appearing in front of the
first significant digit)

Y(es) or N(o)

The variable symbol _ _ _

S_ _ will appear in your message at the

variable’s location.

The difference between a formatted variable entered with

[CTRL][V]

and an unformatted variable entered with

[CTRL][W]

is the ability to

modify the parameters shown above.

Background messages do not support inserted variable data.

Inserting Variables
in Messages