PLC控制器是一种高速低电平控制装置，应直接接地。为了抑制对电源、输入、输出端子的干扰，应在PLC控制器上连接一根专用接地线，接地点应与电源设备的接地点分开。如果不能满足这一要求，还必须与其他设备共同接地，禁止与其他设备串联。接地点应尽可能靠近PLC控制器,集中布置的PLC控制器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。
M.E.C. Tech 26-83622-00
Valqua 6X1820LE
AMAT Applied Materials 0200-10555
Semitool A72-40MB-9826-5W
RIGG Engineering Group 001052
Dynatronix 138-0323-40
Crouzet PAM 3 PC 3210
AMAT Applied Materials 0020-25373
Aera FC-785CL
AMAT Applied Materials 0100-00060
Tylan General FC-2902M
Tem-Tech NPS1000-420-1
Vero 116-010074H
AMAT Applied Materials 0020-02157
Diavac Limited LCAV-25H
SVP501-3-P10 PCB Card SC8408M-B-I-S
AMAT Applied Materials 0040-49827
Thermonics 1B-079-1D
Pentagon Technologies 233-5052-99
Edwards C4164400 SIPV40PKA
Mitsubishi HC-KFS43BK
ASM 1048-432-01
J814-0018 NSR-S620D
Agilent Technologies N1224-60003
KLA 710-805351-00
Nikon 4S008-056 AIS Sensor Board PCB AISsns-X4 NSR-S205C
Leroy Somer UL-E68554-G
Therma-Wave 14-004420
Tencor Instruments 136867
Oerlikon 102153723
Fine Suntronix SN-E10H-CM
Agilent Z4201-20002 PCB Z4401
Tylan General FC-280SAV-4V
Ultratech Stepper 03-15-00308
TAZMO E0R05-2977A
TEL Tokyo Electron 3281-000014-16
TEL Tokyo Electron 1B80-002389-11
Hermos TLG-I1-1000-S0-00EB
