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Rockwell Automation 2706-ND1 DL40 OFFLINE PROGRAMMING SFTWR.USER MANUAL User Manual

Page 22

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Chapter 2
Introduction to the DL40

2 – 11

Table 2.D
Summary of Parallel Port Run Mode Types

Feature

Message/Variable/Slave Run

Mode

Message List Run Mode

Trigger messages

Trigger a message with 1 to 40
variables, depending on rack size,
trigger method, and variable type

Triggers a message list of up to 20
messages in Round Robin Order

Triggering method

D Parallel Port

D Keyboard Port

D RS-485 link

Send messages to slave display

Slave address for each message
can be specified with message
trigger. (Overrides address
specified as Message Attribute)

Slave address specified as a
Message Attribute

Send variables to place in
message

D Up to 10 (16 bit) binary or (4

digit) BCD

D Up to 20 (8 bit) ASCII

D Up to 40 (4 bit) BCD

No

Variable types

Binary – Signed and Unsigned BCD
ASCII

Not Applicable

Message acknowledgement

Yes

Input and display of ASCII input
data (via keyboard port)

Up to 20 ASCII characters

Return ASCII input data via
RS-485 port

Up to 20 characters

Put message on Historical Events
Stack

Yes

Other Operating Modes

In addition to the Run Modes described above, the DL40 offers the following
operating modes:

Help Mode

Historical Recall Mode

Remote Program Mode

Backup Mode

Set RS-232/RS-485 Port Mode

Clock Mode

Print Mode

Debug Mode (on parallel port versions only)

Note: The DL40 display will read

Remote Program Mode

whenever you

download using the Offline Programming Software.