900A01-0102
900A01-0102
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厦门莫格电气自动化有限公司
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地址：厦门市思明区槟榔西里197号第四层B19单元
主营产品：AB，ABB，GE，本特利，福克斯波罗，英维斯，西屋，艾默生，横河
接地的目的通常有两个，其一为了安全，其二是为了抑制干扰。完善的接地系统是PLC控制系统抗电磁干扰的重要措施之一。
系统接地方式有：浮地方式、直接接地方式和电容接地三种方式。对PLC控制系统而言，它属高速低电平控制装置，应采用直接接地方式。由于信号电缆分布电容和输入装置滤波等的影响，装置之间的信号交换频率一般都低于1MHz，所以PLC控制系统接地线采用一点接地和串联一点接地方式。集中布置的PLC系统适于并联一点接地方式，各装置的柜体中心接地点以单独的接地线引向接地极。如果装置间距较大，应采用串联一点接地方式。用一根大截面铜母线（或绝缘电缆）连接各装置的柜体中心接地点，然后将接地母线直接连接接地极。接地线采用截面大于22 mm2的铜导线，总母线使用截面大于60mm2的铜排。接地极的接地电阻小于2Ω，接地极埋在距建筑物10 ~ 15m远处(或与控制器间不大于50m)，而且PLC系统接地点必须与强电设备接地点相距10m以上。
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总屏电缆连接时，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。
NUMATICS 24VDC 4.0W 14.5-232 PSIG-AIR SOLENOID VALVE, I22BB500R061D61
NUMATICS NPTF 150 PSIG-AIR PNEUMATIC SOLENOID VALVE, I23BB500MP14X61 NIB
NUMATICS 120V .24A 280 PSIG-AIR SOLENOID VALVE W/ BASE, I35SS73BK
BAILEY BABCOCK & WILCOX PNEUMATIC FUNCTION GENERATOR FG111
NUMATICS 150PSIG SOLENOID VALVE NNB I35SS43BK000030 101800
VICKERS VANE TYPE HYDRAULIC PUMP 4535V 60A 35
KYOHO56H40026 HCI-XD CYLINDER 40MM BORE 910MM STROKE 40X910-LB
YUKEN HYDRAULIC CYLINDER CJT70-FA 80C 65H-ABD
NUMATICS SOLENOID 225-372B, 24VDC 6.0 WATTS 26AMP, 150PDIG- AIR NNB
NUMATICS 123SS515K 120 VOLTS 50/60 HERTZ 150 PSIG DOUBLE SOLENOID VALVE
STAFSJO KNIFE GATE VALVE W/ PNEUMATIC ACTUATOR AC-160 102573
CAT PUMPS GENUINE PARTS CONNECTION ROD 121467 NIB
NUMATICS 120V .12A 150 PSIG-AIR SOLENOID VALVE W/ BASE, 082SA415K
ENIDINE HYDRAULIC SHOCK ABSORBER MT 206313 NIB
MONITEUR * SENTINEL PNEUMATIC VALVE WITH PARTS * AMYB-5120
FESTO LINEAR CYLINDER DZH-50-100-PPV-?A
SMC 32MM BORE 30MM STROKE 0.7MPA PRECISION CYLINDER, MTS32-W2316-30
BIMBA SS PNEUMATIC CYLINDER 094-NRP
FESTO PNEUMATIC STANDARD CYLINDER DNG-100-25-PPV-?A NNB
SCHROEDER FILTER KW NIB
SMC PRESISION AIR PRESSURE REGULATOR AR20-01B
FESTO DZH-40-PPV-A CYLINDER REPLACEMENT PARTS NIB
WHITEY 200PSI SPRING RETURN W/ VALVE 133 SR
MAC AIR VALVE 56C-52-RA *MANUFACTURER REFURBISHED*
FESTO 63MM BORE 725MM STROKE PNEUMATIC CYLINDER, DGP-63-725-PPV-?A-B
BIMBA BF-091-R SQUARE HEAD PNEUMATIC CYLINDER, NNB
DE-STA-CO 82P35 CLAMP 82P35- 5400000-NPT 105491
VEKTEK RIGHT HAND, 5000 LB CAPACITY SINGLE ACTION SWING CLAMP 15-0118-00 RH
NUMATICS 120V, 50-60HZ, 0.11 AMPS SOLENOID VALVE 153SA43AK
KYOHO MACHINE WORKS HCI-XD HYDRAULIC CYLINDER 50X108-CB / 66H50887
NUMATICS SOLENOID VALVE 24 VDC 6.3 WATTS 225-285B
AEROQUIP 2681-24 SINGLE WIRE BRAID HI-IMPULSE LOW PRESSURE HOSE, NNB
HYDRAULIC THREAD NUT HMV120
SMC CDLABN80-K5242-?XC11 (80+60)
BIMBA 25MM BORE 50MM STROKE PNEUMATIC CYLINDER E-25-50-U
PARKER FLANGE FITTING P11571-20-20 SAE CODE 61 FLANGE STRAIGHT SERIES 71
SMC PNEUMATIC AIR ACTUATOR MGPM63-75-Z73L-?XC35
NUMATICS 124BA415MP00061 24 VDC 150 PSIG PNEUMATIC VALVE
COMPACT PNEUMATIC CYLINDER QJ93-2096
JAMESBURY PNEUMATIC VALVE ACTUATOR ST-1200 W/ POSITIONER 103495
NUMATICS 120V .37A 50/60HZ 150 PSIG-AIR PNEUMATIC SOLENOID VALVE, 555SA43AK
PHD INC. PNEUMATIC SLIDE & CYLINDER, SGB84X450-BB-CB?-L9-PB15, NNB
OHIO OSCILLATOR HYDRAULIC ROTARY ACTUATOR H67-190-AECB-ES?-MS123X-SBHX-N
FESTO PNEUMATIC CYLINDER DKE-40-75-PPV-A
BOSCH * 250BAR HYDRAULIC VALVE * 0 811 403 117
COAX VMK 20 DR NC VALVE NNB
NUMATICS 150PSIG SOLENOID VALVE I34BB500KP00030
BOSCH 4600 PSI SERIES B DIRECTIONAL CONTROL VALVE 9810231276
FESTO GUIDED DRIVE DFM-25-100-P-A-?GF
SMC * GUIDE CYLINDER * MGGMB50-75-C73C?Z
YUKEN * HYDRAULIC CYLINDER * CJT140-FY80B140?B-ACB-EK
NUMATICS 120V, .30A, 50/60Hz, 150PSI PNEUMATIC SOLENOID VALVE 55455414K
