Mitsubishi MELSEC LJ71C24, User Manual

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7 SETTINGS FOR THE C24
7.2 List of Setting Items for C24
This section explains the items to be set in GX Works2 to perform the data
communication with external devices.
Before performing the following settings, add the C24 to the GX Works2 project and
set the I/O range.
For details, refer to Section 7.1.
Parameter setting items
The following abbreviations appear in the protocol column of the function list.
MC: MC protocol
Pd: Predefined protocol
Non: Nonprocedural protocol
Bi: Bidirectional protocol
(1) Switch Setting
Set the transmission specifications and communication protocols with external
devices.
Always perform this setting. For details, refer to Section 7.3.
(2) Various_Control_Specification
Set the transmission specification with external devices.
( : Applicable protocol)
Protocol
Setting items
MC Non Bi Pd
Reference
RTS (RS) signal status designation
Signal setting
DTR (ER) signal status designation
Section 6.2.1
Transmission control
DC1/DC3 control
DC2/DC4 control
DC1 code
DC3 code
DC2 code
For designation of transmission control
DC4 code
User's Manual
(Application)
Word/byte units designation
Chapter 10
Chapter 11
CD terminal check designation (for RS-232)
For designation of communication control
Communication system designation (for RS-232)
Section 6.2.1
Simultaneous transmission priority/non-priority designation For half- duplex communications control
designation
Retransmission time transmission method designation
User's Manual
(Application)