2711PC-T6M20D
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FANUC A16B-1210-0480 /02A PANEL CONTROL BOARD F10/11
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FANUC A16B-2200-0361 04A AXIX PC BOARD REPAIRD WITH A 30 DAY WARRANTY
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FANUC A16B-2200-0080 06B BASE 2 PC BOARD REPAIRED & TESTED 30 DAY WARRANTY
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Fanuc PCB Board A16B-1210-0300/02A ~ Surplus~
Fanuc PCB Board A16B-1210-0030/06F ~ Surplus~
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FANUC A16B-1200-0800 TWO AXIS AMP PCB
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FANUC CONTROL BOARD A16B-2200-0252/05C A16B 2200 0252 05C A16B22000252/05C FANUC
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Fanuc A16B-2201-0892/03A Ethernet Remote PCB -
A16B-2200-009 FANUC
FANUC A16B-1212-0471 USPP A16B12120471
FANUC A16B-1310-0010 USPP A16B13100010
Fanuc RH 1 MB Ram Main CPU Board A16B-1211-0041
FANUC A16B-2200-0250/06C AXIS CONTROL PCB 4-AXES LIKE NEW CONDITION!!!
問:CPU414-2DP 正常工作情況下,插入存儲(chǔ)卡,導(dǎo)致CPU停機(jī),并且程序無法重新上傳,CPU外部故障燈閃爍和CP443-1內(nèi)部故障燈閃爍,急求可能故障原因及解決辦法
問題補(bǔ)充:使用的存儲(chǔ)卡是6ES7952-1KK00-0AA0,據(jù)了解,僅僅是FEPROM卡啊,擴(kuò)容用的,也會(huì)產(chǎn)生跟MCC卡一樣的問題嗎?
現(xiàn)場已經(jīng)經(jīng)過如下步驟處理:(1)PLC斷電,再上電,原備份程序仍然無法完成上傳;(2)PLC斷電,將存儲(chǔ)卡取出,再上電,原備份程序仍然無法完成上傳。因本人不在現(xiàn)場,據(jù)了解是程序上傳后,CPU外部故障燈和CP443內(nèi)部故障燈閃爍。本人也估計(jì)是否是非等同程序未清除?不過如何鑒定存儲(chǔ)卡是否損壞呢?
答:首先將存儲(chǔ)卡帶電插入正常的CPU是比較危險(xiǎn)的做法,不僅可能損壞存儲(chǔ)卡,可能運(yùn)行程序的不確定性;
對S7-400PLC來說,它是使用閃存卡FEPROM作為外置裝載存儲(chǔ)器的;如果PLC運(yùn)行的情況下插拔存儲(chǔ)卡,則CPU會(huì)通過指示燈(以0.5Hz 頻率閃爍)來指示存儲(chǔ)器復(fù)位請求;而如果你在PLC關(guān)閉的情況下插拔存儲(chǔ)卡,CPU會(huì)在接通電源后自動(dòng)執(zhí)行存儲(chǔ)器的復(fù)位;
如果CPU外部故障燈閃爍和CP443-1內(nèi)部故障燈閃爍,很清楚存儲(chǔ)卡里的用戶程序和系統(tǒng)參數(shù)已經(jīng)被復(fù)制到CPU存儲(chǔ)器主存儲(chǔ)器RAM區(qū)中,而原來工作存儲(chǔ)器、系統(tǒng)存儲(chǔ)器和內(nèi)置存儲(chǔ)器里的內(nèi)容已經(jīng)被復(fù)制為新的程序;可能新的程序、硬件配置與原來的不同,引起外部故障(EXTF燈閃爍);
如果你的存儲(chǔ)卡里是空的,那么實(shí)際PLC內(nèi)部已沒有程序;如果你手頭有原來保存的程序可以有兩種方法下載到CPU:首先執(zhí)行PLC復(fù)位(將CPU模式選擇開關(guān)打到MRES位置然后再切回到STOP,執(zhí)行存儲(chǔ)器復(fù)位,結(jié)果STOP上LED燈以3Hz的頻率至少閃爍3秒鐘(正在執(zhí)行存儲(chǔ)器復(fù)位),然后一直亮起復(fù)位完成;如果插入存儲(chǔ)卡,把CPU扳到STOP,然后打開源程序執(zhí)行PLC/Download user program to memory card(把用戶程序下載到存儲(chǔ)卡中),然后斷電再通電,F(xiàn)EPROM里的內(nèi)容被重新復(fù)制到CPU存儲(chǔ)器的RAM區(qū)中;對S7-400來說,也可以不用存儲(chǔ)卡,取出它,然后執(zhí)行PLC/RAM to ROM(直接下載到CPU里的RAM區(qū)),然后把CPU模式扳到RUN,但此方法如果CPU斷電而電池沒電程序?qū)G失,這是要注意的,臨時(shí)要;用此方法也可判斷存儲(chǔ)卡的好壞;
一般在做任何修改程序等此類操作,首先要把程序上載到PC中保存起來,然后才能進(jìn)行其他操作,這樣可以恢復(fù)
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