CPU模塊故障 MITSUBISHI MELSEC-Q QY41P輸出模塊
通用型S5PLC的CPU模塊上往往包括有通信接口、EPROM插槽、運(yùn)行開(kāi)關(guān)等,故障的隱蔽性更大,因?yàn)楦鼡QCPU模塊的費(fèi)用很大,所以對(duì)它的故障分析、判斷要尤為仔細(xì)。
PLC電源模塊維修技術(shù)實(shí)例:一臺(tái)PLC合上電源時(shí)無(wú)法將開(kāi)關(guān)撥到RUN狀態(tài),MITSUBISHI MELSEC-Q QY41P輸出模塊錯(cuò)誤指示燈先閃爍后常亮,斷電復(fù)位后故障依舊,更換CPU模塊后運(yùn)行正常。在進(jìn)行芯片級(jí)維修時(shí)更換了CPU但故障燈仍然不停閃爍,至到更換了通信借口板后功能才恢復(fù)正常。
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MITSUBISHI MELSEC-Q QY41P OUTPUT MODULE 12/24VDC 0.1A
DINGS H-70103 NON-ASBESTOS DISK BREAK H70103
NEW FANUC A03B-0819-C103#?D AID16 I/O MODEL A 16PT 24VDC NEG INPUT
OGDEN ETR-8130 TEMP CONTROL 8130-314411 INPUT: 90-264VAC OUTPUT: TRIAC
NEW PILZ PNOZ X8P 24 VDC 3N/O 2N/C 2SO SAFETY RELAY MODULE IDENT. NO. 777760
NIB DWYER SERIES 3000 PHOTOHELIC PRESSURE SWITCH/GAGE MODEL A3050
POLYSPEDE E1529 BOARD MASTER ACCEL-DECEL UNIT E1529-13
NIB HONEYWELL 21EN19 MICRO SWITCH 21EN19 91929
NEW CONTINENTAL HYDRAULICS N12S-OC-G THROTTLE VALVE WITH CHECK N12S-0C-G