IC600BF902控制器
IC600BF902控制器
(4)来自信号线引入的干扰
与PLC控制系统连接的各类信号传输线,除了传输有效的各类信号之外,总会有外部干扰信号***。此干扰主要有两种途径:一是通过变送器或共用信号仪表的供电电源串入的电网干扰,这往往被忽略;二是信号线受空间电磁辐射感应的干扰,即信号线上的外部感应干扰,这是很严重的。由信号引入干扰会引起I/O信号工作异常和测量精度大大降低,严重时将引起元器件损伤。对于隔离性能差的系统,还将导致信号间互相干扰,引起共地系统总线回流,造成逻辑数据变化、误动和死机。PLC控制系统因信号引入干扰造成I/O模件损坏数相当严重,由此引起系统故障的情况也很多。
(5)来自接地系统混乱时的干扰
接地是提高电子设备电磁兼容性(EMC)的有效手段之一。正确的接地,既能电磁干扰的影响,又能设备向外发出干扰;而错误的接地,反而会引入严重的干扰信号,使PLC系统将无法正常工作。PLC控制系统的地线包括系统地、地、交流地和保护地等。接地系统混乱对PLC系统的干扰主要是各个接地点电位分布不均,不同接地点间存在地电位差,引起地环路电流,影响系统正常工作。例如电缆层必须一点接地,如果电缆层两端A、B都接地,就存在地电位差,有电流流过层,当发生异常状态加雷击时,地线电流将更大。
此外,层、接地线和大地有可能构成闭合环路,在变化磁场的作用下,层内有会出现感应电流,通过层与芯线之间的耦合,干扰信号回路。若系统地与其它接地处理混乱,所产生的地环流可能在地线上产生不等电位分布,影响PLC内逻辑电路和模拟电路的正常工作。PLC工作的逻辑电压干扰容限较低,逻辑地电位的分布干扰容易影响PLC的逻辑运算和数据存储,造成数据混乱、程序跑飞或死机。模拟地电位的分布将导致测量精度下降,引起对信号测控的严重失真和误动作
ALLEN BRADLEY 1336-B007-EJD-FA2-S1 USPP 1336B007EJDFA2S1
RAYTHEON B34120-00-02-1 USPP B3412000021
Texas Instruments 500-2151-A Power Supply 500-2151 (TESTED)
BARBER COLMAN MP-9910 USPP MP9910
ALLEN BRADLEY 2711-TC1 USPP 2711TC1
BARBER COLMAN A-60010-708 USPP A60010708
ALLEN BRADLEY 2706-B43J31 USPP 2706B43J31
TI TEXAS INSTRUMENTS 530-1104 CONTROLLER PLC MODULE
Panasonic M***D042S1A AC Servo Motor NIB Free Ship
SEIKI CO LTD INO-11-10-07-03 USPP I***1100703
YASKAWA ELECTRIC SGMD-40A6ABS USPP SGMD40A6ABS
ASEA BROWN BOVERI DSQC-211 NSPP DSQC211
SQUARE D LAF3640032MV1027 USPP LAF3640032MV1027
ASEA BROWN BOVERI 3HAB2209-1 USPP 3HAB22091
ALLEN BRADLEY 150-A35NB-NA NSFP 150A35NBNA
ASEA BROWN BOVERI YB560103-AC/8 USPP YB560103AC8
TEXAS INSTRUMENTS PLC 500-5892 NSFP 5005892
PANASONIC SERVO DRIVER MEDDT7364L01 2.5KW
TEXAS INSTRUMENTS PLC PWB-2461414-0001 USPP PWB24614140001
ASEA BROWN BOVERI ***PS-7738-E USPP ***PS7738E
TEXAS INSTRUMENTS PLC 500-5892 USPP 5005892
Panasonic Servo Driver 1kW MDD103A1VE Free Ship
ASEA BROWN BOVERI S6NH600BW USPP S6NH600BW
CONTROL TECHNIQUES CDE-150 NSFP CDE150
SIEMENS 6FX1-120-2CA00 USPP 6FX11202CA00
505-6850A Texas Instruments Siemens Simatic TI 505-6850-A R100
SYMAX 8020-SCP-401 NSFP 8020SCP401
TEXAS INSTRUMENTS PLC 505-5432 USPP 5055432
FOXBORO CFT30-1411B2/CFS30-A1AR0B1 NSFP CFT301411B2CFS30
FLUID POWER DIVISION 07.00CTBHB2AUS43AC-7.00 NSPP 0700CTBHB2AUS43A
ASEA BROWN BOVERI 086363-001 NSFP 086363001
GENERAL ELECTRIC DS3800DMPC USPP DS3800DMPC
BURGMASTER 0282028-02A NSFP 028202802A
Panasonic Servo Drive ADKA500BPFADH working
OMRON CS1W-SLK21 USPP CS1WSLK21
Texas Instruments 505-6516
GE FANUC IC647WMI920 USPP IC647WMI920
SIEMENS 6SC6000-ONA02 USPP 6SC6000ONA02
ELECTRO CRAFT 9101-1131 USPP 91011131
ASEA BROWN BOVERI M3AA-090-L-4 NSFP M3AA090L4
NACHI SC35-BJ2-S-A NSPP SC35BJ2SA
ALLEN BRADLEY 2801-YC USPP 2801YC
COMPUMOTOR 6K2-NK USPP 6K2NK
TEXAS INSTRUMENTS PLC 100-3101 NSFP 1003101
ASEA BROWN BOVERI EH175C-1 NSFP EH175C1
Panasonic AC Servo Motor MHMA102P1G 1kW
TEXAS INSTRUMENTS PLC 5TI-5011 NSFP 5TI5011
Panasonic AC Servo M***A152D1C 200V 3000 RPM 1.5kW 200Hz M***A 152D1C
PERCEPTRON 916-3079 TRICAM DIGITAL 2 SENSOR NNB
ASEA BROWN BOVERI ACS60100206000B1200900 USPP ACS60100206000B1
TEXAS INSTRUMENTS PLC 5TI-5339 USPP 5TI5339
Perceptron 495-0294 Replacement Circuit Board
MEASUREX 053307-00 USPP 05330700
ASEA BROWN BOVERI MSB63800L NSFP MSB63800L
Siemens TI 530C-1104 PLC Controller 530C-1104
(AC07) PANASONIC M1D043A1X AC SERVO DRIVER USED WORKING
MITSUBISHI A1-71SHCPU USPP A171SHCPU
SIEMENS 6FX1-110-0AA02 USPP 6FX11100AA02
SANYO DENKI PU0A015-EM61P00 USPP PU0A015EM61P00
Panasonic AC Servo Motor M***D012G1U New in Box FREE SHIP
ASEA BROWN BOVERI APIOS-02 USPP APIOS02
TEXAS INSTRUMENTS PLC 505-5417 NSPP 5055417
One Panasonic AC Servo Driver DV85005LDMBS Free Ship
Panasonic AC Servo Driver MSDZ013A1A Free Ship
ASEA BROWN BOVERI 58096652 USPP 58096652
TEXAS INSTRUMENTS PLC 505-4332 NSPP 5054332
TEXAS INSTRUMENTS PLC 5120-11 USPP 512011
Texas Instruments 505-4232
POWEROHM RESISTORS PF19R16K4-NC NSPP PF19R16K4NC
PANASONIC AC SERVO DRIVE MFDDTB3A2L01 5.0KW
TEXAS INSTRUMENTS PLC 555-1105 USPP 5551105
RELIANCE ELECTRIC 1SU44010 USPP 1SU44010
IC600BF902控制器
(4)来自信号线引入的干扰
与PLC控制系统连接的各类信号传输线,除了传输有效的各类信号之外,总会有外部干扰信号***。此干扰主要有两种途径:一是通过变送器或共用信号仪表的供电电源串入的电网干扰,这往往被忽略;二是信号线受空间电磁辐射感应的干扰,即信号线上的外部感应干扰,这是很严重的。由信号引入干扰会引起I/O信号工作异常和测量精度大大降低,严重时将引起元器件损伤。对于隔离性能差的系统,还将导致信号间互相干扰,引起共地系统总线回流,造成逻辑数据变化、误动和死机。PLC控制系统因信号引入干扰造成I/O模件损坏数相当严重,由此引起系统故障的情况也很多。
(5)来自接地系统混乱时的干扰
接地是提高电子设备电磁兼容性(EMC)的有效手段之一。正确的接地,既能电磁干扰的影响,又能设备向外发出干扰;而错误的接地,反而会引入严重的干扰信号,使PLC系统将无法正常工作。PLC控制系统的地线包括系统地、地、交流地和保护地等。接地系统混乱对PLC系统的干扰主要是各个接地点电位分布不均,不同接地点间存在地电位差,引起地环路电流,影响系统正常工作。例如电缆层必须一点接地,如果电缆层两端A、B都接地,就存在地电位差,有电流流过层,当发生异常状态加雷击时,地线电流将更大。
此外,层、接地线和大地有可能构成闭合环路,在变化磁场的作用下,层内有会出现感应电流,通过层与芯线之间的耦合,干扰信号回路。若系统地与其它接地处理混乱,所产生的地环流可能在地线上产生不等电位分布,影响PLC内逻辑电路和模拟电路的正常工作。PLC工作的逻辑电压干扰容限较低,逻辑地电位的分布干扰容易影响PLC的逻辑运算和数据存储,造成数据混乱、程序跑飞或死机。模拟地电位的分布将导致测量精度下降,引起对信号测控的严重失真和误动作
ALLEN BRADLEY 1336-B007-EJD-FA2-S1 USPP 1336B007EJDFA2S1
RAYTHEON B34120-00-02-1 USPP B3412000021
Texas Instruments 500-2151-A Power Supply 500-2151 (TESTED)
BARBER COLMAN MP-9910 USPP MP9910
ALLEN BRADLEY 2711-TC1 USPP 2711TC1
BARBER COLMAN A-60010-708 USPP A60010708
ALLEN BRADLEY 2706-B43J31 USPP 2706B43J31
TI TEXAS INSTRUMENTS 530-1104 CONTROLLER PLC MODULE
Panasonic M***D042S1A AC Servo Motor NIB Free Ship
SEIKI CO LTD INO-11-10-07-03 USPP I***1100703
YASKAWA ELECTRIC SGMD-40A6ABS USPP SGMD40A6ABS
ASEA BROWN BOVERI DSQC-211 NSPP DSQC211
SQUARE D LAF3640032MV1027 USPP LAF3640032MV1027
ASEA BROWN BOVERI 3HAB2209-1 USPP 3HAB22091
ALLEN BRADLEY 150-A35NB-NA NSFP 150A35NBNA
ASEA BROWN BOVERI YB560103-AC/8 USPP YB560103AC8
TEXAS INSTRUMENTS PLC 500-5892 NSFP 5005892
PANASONIC SERVO DRIVER MEDDT7364L01 2.5KW
TEXAS INSTRUMENTS PLC PWB-2461414-0001 USPP PWB24614140001
ASEA BROWN BOVERI ***PS-7738-E USPP ***PS7738E
TEXAS INSTRUMENTS PLC 500-5892 USPP 5005892
Panasonic Servo Driver 1kW MDD103A1VE Free Ship
ASEA BROWN BOVERI S6NH600BW USPP S6NH600BW
CONTROL TECHNIQUES CDE-150 NSFP CDE150
SIEMENS 6FX1-120-2CA00 USPP 6FX11202CA00
505-6850A Texas Instruments Siemens Simatic TI 505-6850-A R100
SYMAX 8020-SCP-401 NSFP 8020SCP401
TEXAS INSTRUMENTS PLC 505-5432 USPP 5055432
FOXBORO CFT30-1411B2/CFS30-A1AR0B1 NSFP CFT301411B2CFS30
FLUID POWER DIVISION 07.00CTBHB2AUS43AC-7.00 NSPP 0700CTBHB2AUS43A
ASEA BROWN BOVERI 086363-001 NSFP 086363001
GENERAL ELECTRIC DS3800DMPC USPP DS3800DMPC
BURGMASTER 0282028-02A NSFP 028202802A
Panasonic Servo Drive ADKA500BPFADH working
OMRON CS1W-SLK21 USPP CS1WSLK21
Texas Instruments 505-6516
GE FANUC IC647WMI920 USPP IC647WMI920
SIEMENS 6SC6000-ONA02 USPP 6SC6000ONA02
ELECTRO CRAFT 9101-1131 USPP 91011131
ASEA BROWN BOVERI M3AA-090-L-4 NSFP M3AA090L4
NACHI SC35-BJ2-S-A NSPP SC35BJ2SA
ALLEN BRADLEY 2801-YC USPP 2801YC
COMPUMOTOR 6K2-NK USPP 6K2NK
TEXAS INSTRUMENTS PLC 100-3101 NSFP 1003101
ASEA BROWN BOVERI EH175C-1 NSFP EH175C1
Panasonic AC Servo Motor MHMA102P1G 1kW
TEXAS INSTRUMENTS PLC 5TI-5011 NSFP 5TI5011
Panasonic AC Servo M***A152D1C 200V 3000 RPM 1.5kW 200Hz M***A 152D1C
PERCEPTRON 916-3079 TRICAM DIGITAL 2 SENSOR NNB
ASEA BROWN BOVERI ACS60100206000B1200900 USPP ACS60100206000B1
TEXAS INSTRUMENTS PLC 5TI-5339 USPP 5TI5339
Perceptron 495-0294 Replacement Circuit Board
MEASUREX 053307-00 USPP 05330700
ASEA BROWN BOVERI MSB63800L NSFP MSB63800L
Siemens TI 530C-1104 PLC Controller 530C-1104
(AC07) PANASONIC M1D043A1X AC SERVO DRIVER USED WORKING
MITSUBISHI A1-71SHCPU USPP A171SHCPU
SIEMENS 6FX1-110-0AA02 USPP 6FX11100AA02
SANYO DENKI PU0A015-EM61P00 USPP PU0A015EM61P00
Panasonic AC Servo Motor M***D012G1U New in Box FREE SHIP
ASEA BROWN BOVERI APIOS-02 USPP APIOS02
TEXAS INSTRUMENTS PLC 505-5417 NSPP 5055417
One Panasonic AC Servo Driver DV85005LDMBS Free Ship
Panasonic AC Servo Driver MSDZ013A1A Free Ship
ASEA BROWN BOVERI 58096652 USPP 58096652
TEXAS INSTRUMENTS PLC 505-4332 NSPP 5054332
TEXAS INSTRUMENTS PLC 5120-11 USPP 512011
Texas Instruments 505-4232
POWEROHM RESISTORS PF19R16K4-NC NSPP PF19R16K4NC
PANASONIC AC SERVO DRIVE MFDDTB3A2L01 5.0KW
TEXAS INSTRUMENTS PLC 555-1105 USPP 5551105
RELIANCE ELECTRIC 1SU44010 USPP 1SU44010