Manual XBC-U

System
Chapter 2 System Configuration
2.3.3 Embedded Communication System Configuration
2.3.3.1 Embedded Cnet I/F System Configuration
The Cnet I/F system is the system to transmit·receive external devices including PC and data through RS-232C/RS-
422 I/F. In the case of the high performance XGB PLC, RS-232C and RS-485 communication I/F are respectively
embedded. Moreover, you can additionally install the Cnet I/F module (XBL-C21A) for RS-232C only that is the
expansion module and Cnet I/F module (XBL-C41A) for 485 only so it is possible to build up various communication
systems for the purposes.
Some examples of communication systems are represented here, which can be configured by the Cnet I/F
embedded in the high performance XGB basic unit.
(1) 1:1 connection with the HMI by using the basic unit’s embedded RS-232C or RS-485 port
XBC-DN32U
HMI
RS-232C / RS-485
(2) Communication with the other PLC through the basic unit’s embedded RS-485 port/ 1:1 connection with the HMI
through the embedded RS-232C port
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