User manual

Publication CNET-UM001C-EN-P - November 2005
D-6 Control 1771 I/O Over ControlNet
Write Configuration or Output Data To a Block Transfer Module
1. To read data from a block transfer module, enter the following rung of
ladder logic:
This table describes the tags used in this message
The MSG instruction sends the data in int_buffer_write to the module.
Table D.2 Tag Descriptions
Tag Name Description Data Type Scope
msg_write block transfer
write message
to the same
module
MESSAGE name_of_controller
(controller)