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2.1 电源系统引入的干扰
电网的干扰,频率的波动,将直接影响到PLC系统的可靠性与稳定性。如何抑制电源系统的干扰是提高PLC的抗干扰性能的主要环节。
(1) 加装滤波、隔离、屏蔽、开关稳压电源系统。
设置滤波器的作用是为了抑制干扰信号从电源线传导到系统中,使用隔离变压器,必须注意:屏蔽层要良好接地;次级连接线要使用双绕线(减少电线间的干扰),隔离变压器的初级绕组和次级绕组应分别加屏蔽层,初级的屏蔽层接交流电网的零线;次级的屏蔽层和初级间屏蔽层接直流端。
为了抑制电网大容量设备起停(如送水泵等)引起电网电压的波动,保持供电电压的稳压,可采用开头稳压电源。
(2) 分离供电系统
PLC的控制器与I/O系统分别由各自的隔离变压器供电,并与主电源分开,这样当输入输出供电断电时,不会影响到控制器的供电。
SIEMENS SIMATIC CP 342-5,6GK7342-5DA01-0XE0
Applied Materials, BOARD 0100-00003
NEC NRC-400II 193-240197, EXCHA 193-240196
HD SF14-50, HARMONICDRIVE
PANASONIC AC SERVO MQMS042A65E
MITSUBISHI A2ACPU-P21-S1
NEWPORT SPS-D3P XY DRIVER Z820A
TOKYO ELECTRON LTD T/B,MC-31304, 8545P08569B 2108-020122-112180-020434-13
PULSTEC O-PAS 1000A
GSI LUMONICS SMART MOTOR SM2310SQ-VRE
MSE 100FX 800851, NETWORKS 220F000603-401 MSE ,220F000604-401
MITSUBISHI CC-LINK GPP UNIT AJ65BT-G4-S3
PULSTEC MSG2-CONT BOARD 00DTC065,MSG2B-100D
RELIANCE 16 SLOT RACK 57C331,803456-8R J2-3008
MITSUBISHI MELSEC AJ71E71
HUNTINGTON TURBO THROTTLE VALVE A00-1549
EUROTHERM 2704 CONTROLLER 2704/VH/222/XX/D4/PV/D4/XX/PV/XX/A2/XX/ENG
OMRON CJ1M CPU12,CJ1W MAD42,CJ1W SCU21-V1,CJ1W CLK21-V1,CJ1WTC001,ID261,OD212
MKS 600 SERIES 651CD2S1N
SIEMENS SIMOVERT 6SE7021-6ES87-2DA0
OMRON PLC SET CS1G-CPU44H,PA204,CLK21,AD081-V1,TS102,OD219,ID217
SIEMENS SIMATIC, 6ES5511-5AA14
SANYO DENKI BL SUPERPZ0A030A1B2P00
VAT GATE VALVE 03009-MA24-1003/0276 A-656507
MITSUBISHI MELFA TEACHING BOX T/B-3
ESI EISA BUS/MMB INTERFACE 2 CKA 75756A,A2084-66002 B-0105-RT
FANUC POWER UNIT A16B-1212-0100-01
FINE SODICK MARK I/O-02E
SIEMENS PLC 6ES7223-1PL22-0XA0(1) 6ES7221-1BF22-0XA0(3) 6ES7223-1BH21-0XA0
YASKAWA SERVOPACK SGDH-08AE-SY213
FANUC BOARD A16B-2202-0420/07E
PANASONIC AC MDDDT3530L01,1.0KW
GE PANAMETRICS 35,MMS35-331-1-100
TOKKYOKIKI CORPORATION aAD-1612TM1
GIKEN GSS-15-N02,SERVO DRIVE TA8089N2512E453
HD 14-50-177570
HD 14-50-205539
SIEMENS POWER SUPPLY200W-MULTI-OUTPUT-SCHALTNETZTEIL 4FD6303-0LA03-1A
PANASONIC AC MSM042A1E,MSM042A33, VRKF-9C-400
MITSUBISHI MELSEC PLCQ61SP Q06HCPU QX40QY41P QJ71C24N-R2
CHINO DB 500F,DIGITAL INDICATOR CONTROLLER DB550-FA0,DB500 21017-187025
ANELVA CRYO NAVI P-011CC,SCHEMATIC:H21-02832
SEW MOVITRAC EURODRIVE MC07B0040-5A3-4-S0/DFP21B/FSC11B,
DYNAX CORPORATION 6XAD-002
PANASONIC SERVO MOTOR MSM042A1E, REDUCER VRKF-9C-400
PANASONIC AC SERVO MOTOR MSMA022A1F,MSMA022A43, VRKF-9C-200
EUROTHERM 462/113/13/25/060/002/96/00 监测模块 3300/53监测模块 3300/53监测模块 3300/53