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Preface
18.3 Ethernet Communication (PPC5-1x02 Models) .............................................................................. 18-4
18.3.1
18.4 Coordinated Communication (PPC5-1x01 Models) ........................................................................ 18-6
18.4.1
Chapter 19 - Communication Settings ..................................................................19-1
19.1 Setting Parameters .......................................................................................................................... 19-2
19.1.1
19.1.2
19.1.3
19.2 Setting Communication Write Permit .............................................................................................. 19-7
Chapter 20 - Modbus Communication ..................................................................20-1
20.1 Modbus Communication (PPC5-1x01 Models) ............................................................................... 20-2
20.1.1
20.1.2
20.1.3
20.1.4
20.1.5
 01 Reading multiple I relays .................................................................................................................................. 20-11
 03 Reading multiple D registers ............................................................................................................................20-12
 05 Writing to an I relay ..........................................................................................................................................20-13
 06 Writing to a D register ......................................................................................................................................20-13
 08 Loopback test ...................................................................................................................................................20-14
 15 Writing to multiple I relays ................................................................................................................................20-15
 16 Writing to multiple D registers ..........................................................................................................................20-16
Chapter 21 - Modbus/TCP Communication ..........................................................21-1
21.1 Overview ......................................................................................................................................... 21-2
21.2 TCP/IP-based Communication
(PPC5-1x02 Models) .................................................................................................21-4
21.3 Configuration of Network Frames .................................................................................................... 21-5
21.3.1
21.3.2
21.4 Communication with Host Computer ............................................................................................... 21-6
21.4.1
21.4.2
01 Reading multiple I relays ...................................................................................................................................21-7

 03 Reading multiple D registers .............................................................................................................................21-7
 05 Writing to an I relay ............................................................................................................................................21-8
 06 Writing to a D register ........................................................................................................................................21-8
 08 Loopback test .....................................................................................................................................................21-9
 15 Writing to multiple I relays ................................................................................................................................21-10
 16 Writing to multiple D registers .......................................................................................................................... 21-11
21.4.3
21.5 Ethernet-Serial Gateway Function
(PPC5-1x02 Models) ...............................................................................................21-13
21.5.1
21.5.2
21.6 Process Data High-speed Response Function ............................................................................. 21-15
21.6.1
21.6.2
21.6.3
21.7 IP Access Restriction Function ...................................................................................................... 21-17
Chapter 22 - Coordinated Operation .....................................................................22-1
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Communication Specifications ..........................................................................................................18-4
Communication Specifications ..........................................................................................................18-6
Setting RS-485 Communication (PPC5-1x01 Models) ....................................................................................... 19-2
Setting Ethernet Communication (PPC5-1x02 Models) ....................................................................19-4
Setting Coordinated Operation (PPC5-1x01 Models) .......................................................................19-6
Overview ...........................................................................................................................................20-2
Configuration of Messages ...............................................................................................................20-4
Configuration of Responses ..............................................................................................................20-8
Specifying Broadcast ........................................................................................................................20-9
Messages and Responses ..............................................................................................................20-10
Configuration of MBAP Header .........................................................................................................21-5
Configuration of PDU ........................................................................................................................21-5
List of Function Codes ......................................................................................................................21-6
Requests and Responses .................................................................................................................21-7
Response Error Codes ...................................................................................................................21-12
Overview .........................................................................................................................................21-13
Communication with Serial Devices ................................................................................................21-14
Overview .........................................................................................................................................21-15
How to Set the Function ..................................................................................................................21-16
Process Data for High-speed Response .........................................................................................21-16
PPC Manual Revision 1