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★在诊断输入/输出故障时,***佳方法是区分究竟是模块自身的问题,还是现场连接上的问题。如果有电源指示器和逻辑指示器,模块故障易于发现。通常,先是更换模块,或测量输入或输出端子板两端电压测量值正确,模块不响应,则应更换模块。若更换后仍无效,则可能是现场连接出问题了。输出设备截止,输出端间电压达到某一预定值,就表明现场连线有误。若输出器受激励,且LED指示器不亮,则应替换模块。如果不能从I/O模块中查出问题,则应检查模块接插件是否接触不良或未对准。***后,检查接插件端子有无断线,模块端子上有无虚焊点。
指示诊断
LED状态指示器能提供许多关于现场设备、连接和I/O模块的信息。大部分输入/输出模块至少有一个指示器。输入模块常设电源指示器,输出模块则常设一个逻辑指示器。
FluTec Drosselventil SD10120-01X 710390
Weidmüller SAKC10/352STB4KRG
Weidmüller WDU4 1020100000
GEWISS 90MT GW92067
ERMA FT9002-000 Nr. 101192 18-36VDC
JUMO 8650-67-32 Nr. 80/86501924 0 - 400°C
Orientel Motors 5GN30K Gear
EES Elektra Elektronik ESS10 220V
Weidmüller WDU 95N/120N 1820550000
Balluff BES 516-324-EO-C-PU-03
Balluff BOS 74K-UU-1FR-BO-Z
MCI Transformer 4-50 4-50-3036
Di-soric WRB 220 M
Schunk KTG50 No:30015153
Camille Bauer SINEAX U539 136699 0-100V 50/60Hz
Camille Bauer SINEAX U539 147018 0-500V 50/60Hz
Weidmüller 1802780000 WDU 240 600V 400A
Riegler R33-3 Druckregler
SAFi DN32 PN10 PP
WIKA 746-07201
WIKA 9041583 0/40 bar D100 1/2G Kl.1,0 CrNi 212.20
Hellmuth + Rohr ZHSB 1
Knürr Signum Plus EC 6.000.708.9
ANTRONIC LimiTorque DWMA-400-1-0-0000
Euchner N 1 AR-508 014112 E
CELSA AST1056 3000 / 5A
Balluff BNS 813-D02-R16-62-12-02
Baumer ASIA 56A0411 ASi-Modul 242374
Murr Elektronik Art. Nr. 51851
Balluff BES516-325-SA19-03 518791
Entrelec Schiele 2.450.210.02, 110-130V
Entrelec Schiele 2.450.335.01
ITAC System Mouse-trak B-9PIND-XROHS Rev. B RS232
Bender SUA143 Art. Nr. B932801
EHM Messwandlerzhler EIZ-EDWC7393
Frontek FIF1521-05B E250425 P1521E05
Halstrup Walcher PS 27 PS27 24V AC/DC
Schopf 283-551-0005 Wrmetauscher 2143 M12
IVEKA / MotoMeter 608.010.1008
KEYENCE FS2-60p
NB Nippon Bearing TS02-325
Sommer Automatic GP110
EKS 4362960055 + VPG-VEN
KNF Neuberger PM24801-NPK09 12VDC + KAG Khling M48X25
Parker IN170-ST4-100-B15
Melcher M2000 BM 2332-7D4
Wago 750-513 2DO 230V
Fotostar AECO FT1000075
Barksdale X1T-4100-10-GE166 0409-026
M*** 3/55280 GTCA060X43A02 =196V
Herion 4021506
M*** 1/55643 GTCA060X43A02 =196V
RADIALL R112075000
Crompton Instruments 252-PVKW
Visolux LV 24/47/92 9.260005
NB Nippon Bearing FS92-330
NB Nippon Bearing TS02-330
Bürkert 121-E-04,0-E-TE 3/8 024/HI-D-339 Id. 059046H
Stahl 9303/11-22-11
Baumer Electric FEDM 08P1001/S35L CUR10CUR10CUR10