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Contents
Safety Precautions………………………………………………………………………… 2
Usage Recommendations …………………………………………………………………8
Before Reading This Document……………………………………………………………10
1. Ethernet Port Overview………………………………………………………………… 14
1.1 System Configuration Using the Ethernet Port……………………………………… 14
1.2 LAN Standards and Terminology ……………………………………………………15
1.3 Basic Functionality …………………………………………………………………16
1.4 Ethernet Port Specifications…………………………………………………………21
1.5 Software Organization ………………………………………………………………22
2. PU235N/245N Parts and Functions …………………………………………………… 24
2.1 Front Panel…………………………………………………………………………24
2.2 Component Functions………………………………………………………………25
3. Preparing for Operation (Hardware)…………………………………………………… 26
3.1 Connecting to the Network………………………………………………………… 27
3.2 Network Wiring Equipment………………………………………………………… 28
4. Preparing for Operation (Software) …………………………………………………… 31
4.1 Ethernet Port Setup Flowchart (Software) ……………………………………………31
4.2 Ethernet Port Instruction Specifications………………………………………………32
4.3 Ethernet Port Reset…………………………………………………………………39
4.4 Parameter Setup Request………………………………………………………… 41
4.5 Operating Mode Control Requests………………………………………………… 46
5. Computer Link Protocol and the PC Link Protocol Transmission ……………………… 50
5.1 Computer Link Protocol Transmission ………………………………………………50
5.2 Sample Computer Link Protocol Program ……………………………………………51
5.3 PC Link Protocol Transmission (Data write) …………………………………………57
5.4 PC Link Protocol Transmission (Data read)………………………………………… 61
5.5 Sample PC Link Protocol Transmission Program…………………………………… 64