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NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
8-5 CIP Object Services............................................................................................................... 8-47
8-5-1 CIP Objects Sent to the Built-in EtherNet/IP Port ..................................................................... 8-47
8-5-2 Identity Object (Class ID: 01 Hex) ............................................................................................ 8-47
8-5-3 TCP/IP Interface Object (Class ID: F5 hex).............................................................................. 8-50
8-5-4 Ethernet Link Object (Class ID: F6 Hex)................................................................................... 8-53
8-5-5 Controller Object (Class ID: C4 Hex)........................................................................................ 8-58
8-6 Read and Write Services for Variables ................................................................................ 8-59
8-6-1 Read Services for Variables ..................................................................................................... 8-59
8-6-2 Write Service for Variables ....................................................................................................... 8-61
8-7 Variable Data Types ............................................................................................................... 8-63
8-7-1 Data Type Codes...................................................................................................................... 8-63
8-7-2 Common Format....................................................................................................................... 8-64
8-7-3 Elementary Data Types ............................................................................................................ 8-64
8-7-4 Derived Data Types .................................................................................................................. 8-66
Section 9 Socket Service
9-1 Basic Knowledge on Socket Communications .................................................................... 9-2
9-1-1 Sockets....................................................................................................................................... 9-2
9-1-2 Port Numbers for Socket Services.............................................................................................. 9-2
9-2 Basic Knowledge on Protocols.............................................................................................. 9-3
9-2-1 Differences between TCP and UDP ........................................................................................... 9-3
9-2-2 Fragmenting of Send Data.......................................................................................................... 9-5
9-2-3 Data Reception Processing ........................................................................................................ 9-7
9-2-4 Broadcasting............................................................................................................................. 9-10
9-3 Overview of Built-in EtherNet/IP Port Socket Services...................................................... 9-11
9-3-1 Overview....................................................................................................................................9-11
9-3-2 Procedure ..................................................................................................................................9-11
9-4 Settings Required for the Socket Services ......................................................................... 9-12
9-4-1 Settings Required for the Socket Services ............................................................................... 9-12
9-5 Socket Service Instructions ................................................................................................. 9-13
9-6 Details on Using the Socket Services.................................................................................. 9-14
9-6-1 Using the Socket Services........................................................................................................ 9-14
9-6-2 Procedure to Use Socket Services ...........................................................................................9-15
9-6-3 Timing Chart for Output Variables Used in Communications.................................................... 9-17
9-6-4 UDP Sample Programming ...................................................................................................... 9-19
9-6-5 TCP Sample Programming....................................................................................................... 9-24
9-7 Precautions in Using Socket Services ................................................................................ 9-30
9-7-1 Precautions for UDP and TCP Socket Services ....................................................................... 9-30
9-7-2 Precautions for UDP Socket Services ...................................................................................... 9-30
9-7-3 Precautions for TCP Socket Services....................................................................................... 9-30
Section 10 FTP Server
10-1 Overview and Specifications................................................................................................ 10-2
10-1-1 Overview................................................................................................................................... 10-2
10-1-2 Specifications............................................................................................................................ 10-2
10-2 FTP Server Function Details.................................................................................................10-3
10-2-1 Supported Files......................................................................................................................... 10-3
10-2-2 Connecting to the FTP Server .................................................................................................. 10-3
10-3 Using the FTP Server Function ............................................................................................ 10-6
10-3-1 Procedure ................................................................................................................................. 10-6
10-3-2 List of Settings Required for the FTP Server Function ............................................................. 10-6
10-4 FTP Server Application Example ......................................................................................... 10-7
10-5 Using FTP Commands ..........................................................................................................10-9
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