Rockwell Automation 2706-LV2P_LV2R_LV4P_LV4R DL40 PLUS USER MANUAL - Manual (Page 82)

Parallel Port Communications 7–2
Publication 2706-6.1
Feature
Message/Variable/Slave Run
Mode
Message List Run Mode
Trigger messages Trigger a message with 1 to 40
variables, depending on trigger
method and and variable type Triggers a message list of up to
20 messages in Round Robin
Order
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/RS–232 port
(If triggered by RS-485/RS-232
Open protocol) Up to 20 characters
Put message on Historical
Events Stack Yes