1756-IF16/A
GENERAL ELECTRIC DS3800NFCB1S1S USPP DS3800NFCB1S1S
GENERAL ELECTRIC PLPS4G01 NSFP PLPS4G01
GENERAL ELECTRIC 193X532BAG06 USPP 193X532BAG06
GENERAL ELECTRIC 531X121PCRALG1 NSFP 531X121PCRALG1
GENERAL ELECTRIC 193X525AAG01 USPP 193X525AAG01
GENERAL ELECTRIC DS3800HACB USPP DS3800HACB
General Electric DS3800NPCT1B1B DS3800NCT1B1B Circuit Board - New, No Box
GENERAL ELECTRIC 193X-244ACG02 USPP 193X244ACG02
GENERAL ELECTRIC 7VXAS057CD06 USPP 7VXAS057CD06
General Electric CR9440-EIC (Pack of 6) Limit Switch
General Electric IC3600LLDD1A PC Board - Used
GENERAL ELECTRIC TJD-432-300 NSFP TJD432300
GENERAL ELECTRIC 531X186CPSAFG1 USPP 531X186CPSAFG1
General Electric 193X725ADG01
GENERAL ELECTRIC IC3603A177 AH9 POTTED RELAY COIL VOLT 115 AC/DC IC3603A177AH9
General Electric TJK426300 300 Amp Circuit Breaker
General Electric THJK426400 400 Amp Circuit Breaker
General Electric Tachometer w/ Tach 36A167713AAG04 New
General Electric QMR364 with hardware Panelboard Switch
GENERAL ELECTRIC GE TK4V TK4V1200F 1200 AMP 600V CIRCUIT BREAKER ENCLOSURE
General Electric 400 Amp Main Lug, 120/208 Volt Panelboard - E203
GE TRANSFORMER 9T21B1004G02 5.00KVA 1PHASE 60HZ NIB
GE General Electric INTERFACE CARD 193X527AB G01 SV-1
GE General Electric THLC434250 250 Amp A or THLC436250
GE General Electric SGLB36BC0400 Circuit Breaker
General Electric 225 Amp Main Lug, 3 Phase, 277/480 Volt Panelboard - E205
GENERAL ELECTRIC GE ADS ADS36400JB 400 AMP 600V FUSIBLE PANELBOARD PANEL SWITCH
GENERAL ELECTRIC GE CIRCUIT BOARD IC660ELB900E refurb
General Electric IC600YB842A
200 AMP SWITCH GE General Electric THC34 HCI Disconnect SWITCH Electrical Volt
BEARING BALL THRUST * 180256 (Alt. 756286 / SS5T ) Mfr General Electric Woodward
General Electric Breaker Unit 1Q 400A 240V # TJD422400
GE 600 AMP AIR CIRCUIT BREAKER AK-2-25 600 VOLT 3 POLE
GENERAL ELECTRIC PANELBOARD SWITCH 400 AMP 600V 3 POLE THFP365
GENERAL ELECTRIC COIL 230/250VDC # 22D136G2A
GENERAL ELECTRIC 193X460AEG01 INVERTER CONTROL CARD CIRCUIT BOARD 193X460
GE 400 Amp Main Lug 480 Volt, 3 Phase Panelboard - #422
GE CIRCUIT BREAKER 3P 600 AMP 600V TJK636600WL
Used GE ADS32400HB 400 Amp 240 Volt Switch
GENERAL ELECTRIC GE THFP THFP365 400 AMP 600V FUSIBLE PANELBOARD SWITCH HARDWARE
GE 45 KVA 9T23A3873 3 Phase Transber (TRA2160)
问：我在MP377上创建了一个项目，下载正常，画面上的按钮动作也正常，CPU224XP的程序也能正常工作，就是不能把这两个东西连接起来。按下画面上的按钮，出来一行蓝色的字，说数值无法写入PLC。状态栏下面是一个“C”，“GR”下面是一个“0”。也不说是什么原因。请问我怎样继续查找原因呢？也没有任何错误代码？
答：原因就是你的MP377和PLC之间没有建立连接，因此你按下按钮无法往PLC中写数据。
解决办法必须在MP377项目中选择正确的通讯端口和通讯协议（包括正确的通讯地址和通讯速率等）。
如果是WINCC FLEXIBLE,方法是在“通讯”--“连接”中选择通讯驱动（SIMATIC S7 200)，“站”中选择你的项目和PLC，在“伙伴”和“节点”中选择你的通讯端口和协议（比如MPI）。
另外你需要在MP377的控制面板---通讯中也要选择正确的通讯端口和通讯协议等。
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