IC694MDL646
IC694MDL646
IC694MDL646
安全地或电源接地
将电源线接地端和柜体连线接地为安全接地。如电源漏电或柜体带电,可从安全接地导入地下,不会对人造成伤害。
系统接地
PLC控制器为了与所控的各个设备同电位而接地,叫系统接地。接地电阻值不得大于4Ω,一般需将PLC设备系统地和控制柜内开关电源负端接在一起,作为控制系统地。
信号与屏蔽接地
一般要求信号线必须要有的参考地,屏蔽电缆遇到有可能产生传导干扰的场合,也要在就地或者控制室接地,防止形成“地环路”。信号源接地时,屏蔽层应在信号侧接地;不接地时,应在PLC侧接地;信号线中间有接头时,屏蔽层应牢固连接并进行绝缘处理,一定要避免多点接地;多个测点信号的屏蔽双绞线与多芯对绞屏蔽电缆连接时,各屏蔽层应相互连接好,并经绝缘处理,选择适当的接地处单点接点。
厦门泰尼电气有限公司
联系人:小黄
Q Q :2917675397
电话:
手机:
传真: (注小黄收)
邮箱:2917675397@qq.com
地址:厦门市海沧区海沧街道滨湖一里7号2008室
APPLIED MATERIALS (AMAT) BEARING ASSY P/N 0010-29038
APPLIED MATERIALS (AMAT)FOCUS TRANSDUCER ASSEMBLY,EXCAL
ULTRATECH ASSY, 300MM RETICLE FINGER 01-18-00954
TEL (TOKYO ELECTRON) CT2980-194837-11 MOTOR
APPLIED MATERIALS (AMAT) ACTUATOR KIT P/N 3870-05023
AMAT XGEN REMOTE CH AC PALLET, 300MM 0190-05613
APPLIED MATERIALS (AMAT) PC BASE UNIT-SPEC 0190-10794
AMAT PC BASE UNIT-SPEC 0190-10794 9090-00638ITL
NANOMETRICS PCB, H-AXIS STAGE 9200 9407-015976
TEL (TOKYO ELECTRON) MB3M87-041723-14 VALVE ASSEMBLY
NOVELLUS MC2 SYSTEM CONTROLLER P/N 02-127164-00 - NEW
TEL (TOKYO ELECTRON) CT2985-413486-15 CUP, 12" DEVELOP
APPLIED MATERIALS (AMAT) HDPCVD APPLICATOR 0010-02146
GSI LUMONICS PCB, ASP 880/200 2860155-507
DELTA TAU PMAC PC 8 AXIS W/ DUAL PORT RAM 602256-550C
VAT VALVE, VAT DRM 65044-PH52-0003
LEP LUDL X-Y MOTORIZED STAGE, 8X8 99-S006
TEL KIT, RPL MAGNETRON YJ1600-NT3 MBM12-012890-22
DNS BACKPLANE 01090-80009 REV A
VERTEQ TRANSDUCER, MEG QDR (PVDF-SC) 0220-00-0216-15B
GENERATOR, FREQ DUAL OUTPUT FAB C-REP 1020122.022
VERTEQ GENERATOR, FREQ DUAL OUT FAB C -REP 1020151.001
TEL (TOKYO ELECTRON) MB3M10-313747-11 PEDESTAL, WAFER
VARIAN CHAMBER, PROFILER E17099710
APPLIED MATERIALS (AMAT) ENDURA INDEXER P/N 0010-27175
NSK CONTROLLER, DUAL AXIS EXC20A310T00-04
ACCRETECH JDS UNIPHASE LASER, ASSY S/N FL55 FL10A
APPLIED MATERIALS (AMAT) ASSY FAST COOLED VAPRSR, QII
APPLIED MATERIALS (AMAT) WAFER COMB P/N 0040-22026
LAM RESEARCH OUTER ELECTRODE ASSY P/N 839-020965-006
SIEMENS CONTROLLER, CPU SIMATIC 555-1105
AMAT ROBOT ELECTRONICS MODULE 772032-01(DAS 0190-a0029
TEL BASE, SHOWER 300TIN MB3M10-202605-15
APPLIED MATERIALS (AMAT) FOCUS FEEDTHROUGH 9090-01335
MYKROLIS CONTROLLER, PHOTO 250 PUMP EN ENC0M2CN0
DNS SPACER, LID HTP 984902
AMAT PC BASE UNIT-SPEC 0190-02112 9090-00629
AMAT WHC ASSY,GX 0090-A4890
AMAT KIT, MSPS REPLACEMENT 0240-B2650
EATON/VARIAN POW SUP 208V, 48-63HZ,1PH PS/NV-15NN33
AMAT PHVC ASSY Program.Heater/Vac Cont 0090-A2170
AMAT PNEUMATIC CONTROL UNIT, NOVA, REFLEXION 0190-07533
TEL GUIDE, LIGHT FGS7F690UVR-HT4 CT1
DISCO ASSY, ROBOT HAND (8") FKJL-910002-20