Table Of Contents - Mitsubishi Electric AJ71QC24 Manual

Thank you for choosing a Mitsubishi MELSEC-QnA Series General Purpose Programmable Controller
.
Before using your new PC. please read this manual thoroughly
to gain an understanding of its functions so you can
use it properly
.
Please forward a copy of this manual to the end user
.
TABLE OF CONTENTS
1- 1-1- 8
1.1 What is The Serial Communications Module?
...........................................................................
1
-
2
1
.
2 Features of the QC24
................................................................................................................
1
-
3
1.3 Kinds of Data Communications Functions
.................................................................................
1
-
5
1
.
3.1 What is dedicated protocol?
.........................................................................................
1
-
5
1
.
3.2 What is non procedure protocol?
..................................................................................
1
-
7
1
.
3.3 What is bidirectional Drotocol?
......................................................................................
1
-
8
2 SYSTEM CONFIGURATION 2- 1-2- 4
2.1 Data Communications System Configuration and Number of Link Stations
...............................
2- 1
2.1
.
1 1
: I
ratio of external device to PC CPU
.........................................................................
2-
1
2.1
.
2 1 :n ratio of external device to PC CPUs
.......................................................................
2- 2
2.1
.
3 2:n
ratio of external devices to PC CPUs
.....................................................................
2- 3
2.2 System Configuration to Access Another Station's PC CPU Over a MELSECNET
.....................
2-
4
3
PROCEDURE UP TO DATA COMMUNICATIONS DESCRIBED
IN THIS GUIDEBOOK 3- 1 -3-14
3.1
3.2
3.3
3.4
3.5
3.6
Settings and Procedures up to Data Communications
..............................................................
3- 1
3.1
.
1
System configuration
....................................................................................................
3- 2
3.1
.
2 Functions of setting switches
........................................................................................
3- 3
Self Test
....................................................................................................................................
3- 4
3.2.1 ROM/RAM/switch test
..................................................................................................
3- 4
3.2.2 Self loopback test
.........................................................................................................
3- 6
External Wiring
..........................................................................................................................
3-
8
External Device Setting
..............................................................................................................
3- 8
Loopback Test
..........................................................................................................................
3- 9
3.5.1 Loopback test program
................................................................................................
3- 9
3.5.2 Loopback test operation procedure
............................................................................
3-1 1
3.5.3 Loopback test message structure
................................................................................
3-1 3
Communicating With QnACPU Using the GPP Function
..........................................................
3-1
4
4
COMMUNICATIONS USING A DEDICATED PROTOCOL 4- 1-4-42
4.1 Dedicated Protocol Formats
......................................................................................................
4- 2
4.1
.
1 QnA frame format
1
control procedure and message structure
....................................
4-
4
4.1
.
2 Contents of data setting items
......................................................................................
4-
8