PLX3x Series ♦ Multi-Protocol Gateways
EIP Protocol
User Manual
ProSoft Technology, Inc.
Page 91 of 215
January 25, 2018
CIP Data Table Read
CIP data table read messages transfer data to the processor from the gateway.
The following diagram shows an example rung that executes a read command.
1
In the
Message Configuration
dialog box, define the data set to be transferred
from the processor to the gateway as shown in the following image.
2
Complete the dialog box for the data area to be transferred. CIP Data Table
messages require a tag database element for both the source and
destination.
o
The
D
ESTINATION
T
AG
is a tag defined in the Controller Tag database.
o
The
S
OURCE
E
LEMENT
is the tag element in the gateway.
o
The gateway simulates a tag database as an array of elements defined by
the maximum register size for the gateway (user configuration parameter
"Maximum Register" in the [Gateway] section) with the tag name
INT
_
DATA
.
