描述
通讯网络把过程站和人机界面连成一个系统。通讯网络有几种不同的结构行式。如总线式、环形和星形（见图）。总线形在逻辑上也是环形的。星形的只适用于小系统。不论是环形还是总线形，一般都采用广播式。其它一些协议方式已用的较少。通讯网络的速率在10M和100M左右。
Vibro/Dynamics Mirco/Level Isolator Mod. 6M7 (2)
Okuma OPUS 5000 II Main Board II, # E4809-436-011-E
Hofmann A800.023 Board, WARRANTY
K & T / Gemini D CPU Control Assy Board # 1-20604
7″ Kennametal Carbide Insert Face Milling Cutter
Allen Bradley Panelview 1200 Cat# 2711-KC1X SER F REV C
Modicon PC Board DNP II Axis, 100-166, 100166 WARRANTY
NEW Bayside 50:1 Stealth Planetary Drive, Mod PX115-050
Leeson 1/3 HP Electric Motor, # A6T17EC23G, w/ Gearbox
Siemens ITE 150A Breaker, Sentron Series, FXD63A150
FANUC Operator’s Panel, A05B-2302-C021, WARRANTY
Sugino Selfeeder Mechatric Drill w/Multi Head, MSX-113
Kebco Power Transmission 3 HP 10.F0.R11-3429 10F0R11342
Mitsubishi AC 3 HP Inverter FR-Z240-2.2K-UL WARRANTY
Matthews Contact Coder, Model CC100 Nice, WARRANTY
