品牌
经销商厂商性质
厦门市所在地
1784-PKTXD
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这样,就把电源方向的干扰挡在开关电源之外了,现场运行证明这种方案是切实可行并可靠的。
3.6模拟量输入部分
模拟量尽量采用4~20mA这种不易受电磁干扰的电流信号方式,模拟量输入无论屏内还是屏外均要求用屏蔽电缆接线,并且屏蔽层一端要可靠接地,否则,电磁干扰将影响模拟量采样值的正确性。同时,在采样算法中也应加入滤波算法剔除较短的峰值较大的脉冲干扰。
3.7关于站内安装与布线
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备货,备货,降降降,火火火,火火火……
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公司名称:厦门泰尼电气有限公司
:小廖(销售代表)
:
传真号码:(麻烦备注01008收)
号码:
:
诚信经营,质量为首,诚信*,泰尼电气小廖竭诚为您服务!!!
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INGERSOLL-RAND ARO 7718E-2C10-K6S INDUST. ROLLER CHAIN
SUGINO CORP SN5U-E SELFEEDER NEWTRIC ELECTRIC TYPE DRIL
MARS HEATED AIR CURTAIN, E38C-480V-2PH-16KW AIR DOOR, N
JWI INC JL 33 1/3 HP 1725 RPM PROCESS MIXER
REX MFG DA51HS2/K4 TRANSFORMER, 51 KVA, 3 PH, ENCL 2
HYDAC SB210-20A1/112S-210A BALDDER ACCUMULATOR
DAIKIN INDUSTRIES, LTD RP15C13H-22-30 ROTOR PUMP, NNB
SIEMENS ITE BOS16453 BULLDOG BD BUS SWITCH PLUG, 100 Am
REX MFG DC51H1P1/K4 TRANSFORMER, 51 KVA, 3 PH 460 460Y/
REX MFG DA51H1P1/K4 TRANSFORMER, 51 KVA, 3 PH 460 460Y/
FEDERAL PACIFIC T4T30 DRY TYPE TRANSFORMER 3 PH 30 KVA
McLEAN CR23-0216-G016H PROAIR HASRH ENVIRONMENT/WASHDOW
EATON CUTLER-HAMMER DH363NDK FUSIBLE DISCONNECT SWITCH,
REXEL ULFLEX 14 AWG 100 FOOT CABLE, NEW
RACINE PVF PSTF 12EF 01 VARIABLE VOLUME VANE PUMP
LOAD CELL CENTRAL SRP-10K PRECISION PANCAKE TENSION / C
GRACO 215240 COUPLED HOSE, NIB
REXROTH KE300 COMMUNICATION MODULE 0 608 830 162
FANUC A068-0128-8675 0008 SERVO MOTOR
TR ELECTRONIC ENCODERS 110-01595/1439/V001 ENCODER
ALLEN BRADLEY 12-BIT ANALOG INPUT MODULE 1771-IF04 9657
ASTEC VS3-K3-H233-00 POWER SUPPLY NIB
ALLEN BRADLEY ULTRA SERIES AC SERVO DRIVE 1398-DDM-009X
MAX MACHINERY FREQUENCY TRANSMITTER 284-522 AND GEAR FL
REXROTH VM300 POWER SUPPLY MODULE 0 608 750 083
MKS BARATRON TYPE 628B ABSOLUTE PRESSURE TRANSDUCER 628
FANUC ROBOTICS 4.4KW ALPHA SERIES a22/3000 AC SERVO MOT
MOOG BRUSHLESS TECHNOLOGY DIGITAL MOTOR CONTROLLER 164-
FANUC ROBOTICS DUAL CHANNEL PCIM CARD IC660ELB922J 44A7
TAMAGAWA SEIKI 4.8KW TBL-i SERIES AC SERVO MOTOR TS4196
ALLEN BRADLEY VersaView 1500P INTERFACE 6181P-15NSXPHX
NASH ELMO GAS RING VACUUM PUMP G 200 2BH1300-7AH16
SIEMENS SIMODRIVE CONTROL BOARD 6SC6100-0GB11
AEG 260V 24A MINISEMI DC DRIVE 380(415)/24+GO / 029.087
XYCOM INDUSTRIAL COMPUTER OPERATOR INTERFACE 9465 KPM *
XYCOM INDUSTRIAL COMPUTER OPERATOR INTERFACE 3512 KPM *
BALDOR 230/460V 20HP 3523RPM INDUSTRIAL AC MOTOR C09367
MITSUBISHI ELECTRIC A500 INVERTER VARIABLE SPEED AC DRI
ALLEN BRADLEY 9/SERIES BACKPLANE CONTROL BOARD 8520-32M
ALLEN BRADLEY 9/SERIES BACKPLANE CONTROL BOARD 8520-32M
SUMITOMO 1/4HP 51.33:1 RATIO SM-CYCLO GEAR MOTOR TC-F /
ALLEN BRADLEY 9/SERIES MONO INDUSTRIAL MONITOR 8520-MOP
INDRAMAT DIGITAL BRUSHLESS SERVO MOTOR MDD112D-N-030-N2
BALDOR 20HP 3525RPM INDUSTRIAL AC MOTOR C93674 / 09E732
ATLAS COPCO TENSOR 3-7 TORQUE CONTROL PF3107-G-DN-HW W/
ALLEN BRADLEY PLUS AC DRIVE 1336S-BRF75-AN-EN-HA2-L6E
FUSION UV SYSTEMS LIGHT HAMMER 6 UV IRRADIATOR I6S/LH W
MITSUBISHI 1kW 2000RPM AC SERVO MOTOR HC-SF102G2 W/ IMT
REXROTH INDRAMAT PERMANENT MAGNET SERVO MOTOR MDD112D-N
FUJI ELECTRIC CIRCUIT BOARD PCB UM20B-B12
GE FANUC MODEL 20S AC SERVO MOTOR A06B-0502-B074#7008
U.S. ELECTRIC 208-230/460V 10HP 1760RPM AC MOTOR U10E2D
GE FANUC ROBOTICS 10S/3000 AC SERVO MOTOR A06B-0317-B20
SQUARE D 3-POLE 1000 AMP MOLDED CASE SWITCH MAL36000M W
INDRAMAT DIGITAL AC SERVO CONTROLLER DDS02.1-W050-R
FANUC ROBOTICS PMI MEZZANINE CARD PMC-NB BOARD PCB A16B
ANN ARBOR TECHNOLOGIES OPERATOR INTERFACE WEBLINK 15F *
PLC应远离强干扰源,如高压开关柜、大功率可控硅装置、高频焊机和大型动力设备、动力线等。与PLC装在同一个屏内的电感性元件,如继电器、接触器的线圈,应并联RC消弧电路,以避免屏内强磁场的产生。
PLC的I/O线与大功率线应分开走线,如因条件限制实在要在同一线槽中布线,信号线应使用屏蔽电缆。交流线与直流线应分别使用不同的电缆,开关量、模拟量I/O线应分开敷设,后者应采用屏蔽线。不同类型的线应分别装入不同的电缆管或电缆槽中,并使其有尽可能大的空间距离。
4结束语
在水电站计算机监控系统中广泛使用了PLC,由于采用了上述的可靠性措施,在常年连续运行的情况下,PLC都能*可靠工作。