USER MANUAL Manual

Remote I/O Communications 8–19

Publication 2706-6.1

Placing Messages on Historical Events Stack

Triggered messages and variable data can be placed on the 16 Kbyte

Historical Events Stack. The stack contents can be viewed/printed:

• in chronological order

• by number of occurrences

Handshaking Between DL40 Plus and PLC

Handshaking tells the sender (either the DL40 Plus or the PLC) that

Image Table Data was received.

Overriding a Slave Address with a New Message Trigger

To send any message to a slave, Port Use of the RS-485/RS-232 Port

must be set to DL Slaves.

Note: For this mode only, if your DL40 Plus is configured as a

rack device, you must specify the slave address as a Message

Attribute.