連換方式可能沒有選擇成Mulidrop方式。編程軟件的缺省連接方式為直接方式，要求直接與PLC或模板的編程口相連。如果該缺省設(shè)置沒有更改為Multidrop方式，就不可能與多站系統(tǒng)中選定的SNP ID建立連接。可能出現(xiàn)硬件故障.檢查multidrop電纜:該電纜配線可能不正確，或損壞，或沒有連接。導(dǎo)線可能在某個(gè)連接器處松弛。同樣檢查希望連接的PLC的狀態(tài)，是否沒有送電:或該P(yáng)LC處于停止?fàn)顟B(tài)，或者出現(xiàn)了其它問題。

Phoenix Quint-PS-100-24?0AC/24DC/5 Power Supply 2938581

Siemens Simatic S7-200 Module 6ES7 214-1AD23-0XB0 CPU 2

Dell PowerEdge 2950 Intel Xeon Dual Core 2.0GHz 4GB RAM

Manifold Straight Pipe ISO63 60.55″ Length Veeco IBE Io

Narda 3372A-2 Power Divider Type N 2-Way 0.8-2.5GHz 30W

OEM HP/Agilent 85662-60093 Coax Interconnect for HP 856

Kingston KNE110TX/100B DMZ Card Port for Phoenix Adapti

4 ADTRAN H2TUR 1223026L1 T1L8KMJCAA Interface Card w/ D

MKS HPS Type 685 Convection Gauge Transducer 685AD9 Dev

Siemens-OPM2 Operator Panel Interface 6SE32900XX878BF?0

IBM RS-485 I/O Card Module SurePos 700 Series 42M5852

Zygo Corp Model: 7060-0182-01 Dual Port 2-DB25 Enclosur

Sonic Solutions 702930 Optical Converter S/PDIF In/Out

LG Philips 12.1″ LCD Screen LB121S02 TFT Display

Minebea Astrosyn Printer Stepper Motor 23KM-K034-02

LG Philips 12.1″ LCD Screen LB121S02 TFT Display

LG Philips 12.1″ LCD Screen LB121S02 TFT Display

Tektronix TM 503 Power Module Main Frame Enclosure Cas

LG Philips 12.1″ LCD Screen LB121S02 TFT Display

Carol C1154 RG8/U Coaxial Cable 35ft 52Ohm E18621-F Vee