ProSoft Technology PLX3x Series, Руководство пользователя

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PLX3x Series ♦ Multi-Protocol Gateways EIP Protocol
User Manual
ProSoft Technology, Inc. Page 87 of 215
January 25, 2018
Encapsulated PCCC Read Message
Read commands transfer data from the gateway to a processor. The gateway
supports the encapsulated PCCC commands:

PLC2 Unprotected Read

PLC5 Typed Read

PLC5 Word Range Read

PLC Typed Read
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.
o
For PLC5 and SLC messages, set the S
OURCE
E
LEMENT
to an element in
a data file (such as, N10:0).
o
For the PLC2 Unprotected Read message, set the S
OURCE
E
LEMENT
to
the address in the gateway’s internal database. This cannot be set to a
value less than ten. This is not a limitation of the gateway but of the
RSLogix software.