A - 12 A - 12
13 OUTLINE OF MULTIPLE PLC SYSTEMS 13- 1 to 13- 6
13.1 Features...............................................................................................................................................................13- 1
13.2 Outline of Multiple PLC Systems ......................................................................................................................13- 3
13.3 Differences with Single CPU Systems ............................................................................................................13- 5
14 SYSTEM CONFIGURATION OF MULTIPLE PLC SYSTEMS 14- 1 to 14- 20
14.1 System Configuration.........................................................................................................................................14- 1
14.2 Precautions For Multiple PLC System Configuration.....................................................................................14- 4
14.2.1 Function versions of High Performance model QCPU , motion CPUs and
PC CPU module that can be used, and their mounting positions...............................................14- 4
14.2.2 Precautions when using Q series corresponding I/O modules and intelligent function
modules.........................................................................................................................................14- 8
14.2.3 Limitations when mounting AnS series corresponding I/O modules and special function
modules.........................................................................................................................................14- 9
14.2.4 Modules that have mounting restrictions.....................................................................................14-11
14.2.5 Compatible GX Developers and GX Configurators ....................................................................14-12
14.2.6 Parameters that enable the use of multiple PLC systems..........................................................14-13
14.2.7 Resetting the multiple PLC system .............................................................................................14-17
14.2.8 Processing when High Performance model QCPU stop errors occur .......................................14-18
14.2.9 Reducing the time required for multiple PLC system processing...............................................14-20
15 ALLOCATING MULTIPLE PLC SYSTEM I/O NUMBERS 15- 1 to 15- 3
15.1 Concept behind Allocating I/O Numbers..........................................................................................................15- 1
15.1.1 I/O modules and intelligent function module I/O numbers..........................................................15- 1
15.1.2 I/O number of High Performance model QCPU, Motion CPU and PC CPU module................15- 2
15.2 Purpose of PC Parameter I/O Assignments with GX Developer..................................................................15- 3
16 COMMUNICATION BETWEEN CPU MODULES IN MULTIPLE PLC SYSTEM 16- 1 t o 16-15
16.1 Automatic Refresh of CPU Shared Memory...................................................................................................16- 2
16.2 Communication with Multiple PLC Instructions and Intelligent Function Module Devices ................... 16- 9
16.3 Interactive Communications between The High Performance model QCPU and Motion CPU ...............16-11
16.3.1 Control commands from the High Performance model QCPU to the Motion CPU ...................16-11
16.3.2 Reading and writing device data .................................................................................................16-12
16.4 CPU Shared Memory..........................................................................................................................................16-13
17 COMMUNICATIONS BETWEEN THE MULTIPLE PLC SYSTEM'S I/O MODULES AND
INTELLIGENT FUNCTION MODULES 17- 1 to 17- 5
17.1 Range of Control PLC Communications..........................................................................................................17- 1
17.2 Range of Non-control PLC Communications..................................................................................................17- 1
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