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A. Select a Block Transfer Write message type.
B. Select the tag where the data is written
from; the tag should be INT.
C. Select the number of elements to write.
D. Use the Browse button to select a path for
the message. To use this method, you must
make sure the remote 1771 adapter was
added to your project's I/O configuration.
E. Select ControlNet.
F. Cache the connection if 16 or fewer devices
require the block transfer instructions.
If more than 16 devices require the block
transfer instructions, determine whether
this message is for one of the 16 devices
that require the most frequent updates and
follow the guidelines below:
• If the device for this message is among the
16 requiring most frequent updates,
cache the connection.
• If not, do not cache the connection, leave
the box unchecked.
For more information on caching
connections, see section Guidelines for
Caching Message Connections.
G. Set the physical slot location in the
1771 chassis.
Configure the Message
1. In the MSG instruction, click
2. Configure the message as shown below.
Control 1771 I/O Over ControlNet
.
...
Publication CNET-UM001C-EN-P - November 2005
D-7
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