140DAO84010
140DAO84010
實踐證明,因電源引入的干擾造成DCS控制系統(tǒng)故障的情況很多,筆者在某工程調試中遇到過,后更換隔離性能更高的DCS電源,問題才得到解決。
DCS系統(tǒng)的正常供電電源均由電網(wǎng)供電。
由于電網(wǎng)覆蓋范圍廣,它將受到所有空間電磁干擾而在線路上感應電壓和電路。尤其是電網(wǎng)內部的變化,入開關操作浪涌、大型電力設備起停、交直流傳動裝置引起的諧波、電網(wǎng)短路暫態(tài)沖擊等,都通過輸電線路傳到電源原邊。DCS電源通常采用隔離電源,但其機構及制造工藝因素使其隔離性并不理想。實際上,由于分布參數(shù)特別是分布電容的存在,隔離是不可能的。
DIETERICH STANDARD ROSEMOUNT ? 2000 TM 140 CS 24 RO RR PRESSURE
FANUC A06B-0111-B103 BiS 0.2/5000 AC SERVO MOTOR
VERSA VSG-3511-HC-M-U?-10-14-55M-D024 VALVE
API GETTYS M463-KASB-7207 PERMANENT MAGNET AC SERVO MOTOR
DODGE TIGEAR PT064111 001 FE MA94767L1 SPEED REDUCER W/ DANFOSS 2HP
CUTLER HAMMER C50FN3 SIZE 4 MAGNETIC REVERSING CONTACTOR
ALLEN BRADLEY 2711-NR5T TOUCH SCREEN ADAPTER KITS LOT OF 3
ALLEN BRADLEY 20-VB00601 POWERFLEX 700 DPI INTERFACE BOARD
YASKAWA CIMR-SBA20P1 VARISPEED CONTROLLER
RENISHAW A-2033-1010-04 CIRCUIT BOARD
ADDEX GAUGE CONTROL
CONTROL TECHNIQUES EMERSON CDE75 CDE075-R DRIVE
ALLEN BRADLEY 900059 I/O CIRCUIT BOARD
ALLEN BRADLEY 634490 ARITHMATIC LOGIC PC CIRCUIT BOARD
ALLEN BRADLEY 634483A I/O MULTIPLEXER MODULE
ALLEN BRADLEY 635533 REV.4 3 PORT TERMINAL PCB BOARD
ALLEN BRADLEY 7300 UOH RELAY BOARD
RELIANCE 0-52840-23 CCC PCB BOARD
FANUC A06B-6047-H040 VELOCITY CONTROL UNIT - A20B-0009-0320/?10D
FANUC A06B-0148-B075 #7000 α22/3000 AC SERVO MOTOR
FANUC A02B-0166-B531 POWERMATE POWER MATE MODEL D CONTROL MODULE
MILLER 903557 AUTO INVISION WELDING POWER SOURCE WELDER
SICK PLS101-312 LS PROXIMITY LASER SAFETY SCANNER
FANUC A06B-0502-B751 MODEL 20S AC SERVO MOTOR
FANUC A05B-2316-C107 2 SLOT BACKPLANE UNIT W/ A16B-3200-0040/?05D & 0871/15C
ALLEN BRADLEY 900419 SERIES 9 4 AXIS SERVO ANALOG BOARD LOT OF 2
ATLAS COPCO BSM 2275D-R4.3 4230 1901 80 QMX42-5RT 8432 51 NUTRUNNER LOT OF 2
FANUC A06B-0146-B675 ALPHA 22 3.0 KW AC SERVO MOTOR
DANFOSS 175Z0052 882816H378 VLT 5004 VARIABLE SPEED DRIVE
FANUC A06B-0512-B251 MODEL 5 AC SERVO MOTOR
CINCINNATI MILACRON 3-525-0969A REV.GT2 CONTROL PANEL
FANUC A06B-0143-B175 #0008 a12/3000 AC SERVO MOTOR
MITSUBISHI MELSEC 811C A35B PROGRAMMABLE CONTROLLER CHASSIS
MITSUBISHI MAZAK BN624E099E LX51B SPINDLE DRIVE BOARD
GIDDINGS & LEWIS 503-26606-20 R1 ANALOG UNIT W/ 503-26683-00 R0
MITSUBISHI MELSEC A61P 811C PROGRAMMABLE CONTROLLER CHASSIS
GIDDINGS & LEWIS DANAHER MOTION 301203 MOTION CONTROL SERVO DRIVE
MITSUBISHI MAZAK MELDAS FX84A BN624A353H02 CONTROL BOARDS LOT OF 2
MOOG 150-104A 15KW POWER SUPPLY NIB
MITSUBISHI MELSEC 9606C A38B PROGRAMMABLE CONTROLLER WITH 10 MODULES
MITSUBISHI MELSEC A68B 908E 10 SLOT PROGRAMMABLE CONTROLLER
RELIANCE ELECTRIC HR500/BLJD-06 5RA0750 BRUSHLESS AC SERVO JR DRIVE
PARKER DENISON T 6 D C0 2800 81R 00 HYDRAULIC VANE PUMP
OILGEAR PVW15RSAYCNNN HYDRAULIC PUMP
PARKER PVP23303R2VM20 HYDRAULIC PUMP
ORIENTAL MOTOR VEXTA UPD596-B 5-PHASE STEP UNIT DRIVER
OKUMA BDU-50A 50 AMP BRUSHLESS SERVOMOTOR DRIVE UNIT
MITSUBISHI MAZAK 03-81367-06 CIRCUIT BOARD
FANUC A20B-0005-0130/?02B PCB MEMORY BOARD
SIEMENS C79040-A32-C540?-02-85 6ES5511-5AA14 SIMATIC PCB
FANUC A20B-0007-0330/?04B POWER SUPPLY BOARD
MITSUBISHI MAZAK FX06C BN624A243H01 REV.D POSITIONING CONTOL
FANUC A16B-1100-0300/?02A SERVO AMPLIFIER BOARD
SANYO DENKI PE0A100W25110Y BL SUPER PE 200V SERVO AMPLIFIER
FANUC A06B-6047-H040 VELOCITY CONTROL UNIT - TOP BOARD A20B-0009-0320/?07C
MITSUBISHI MAZAK BN624A353H02 FX84A-5 PC BOARD
RITTAL SK3277 ENCLOSURE COOLING UNIT
SAFETRONICS S102002-9 S10 AC DRIVE NIB
SQUARE D QMB362TW SERIES E1 60 AMP FUSIBLE POWER DISTRIBUTION PANELBOARD
FANUC A06B-6047-H040 VELOCITY CONTROL UNIT - TOP BOARD A20B-0009-0320/?12D
ROSEMOUNT 1151DP5E12B1 ALPHALINE PRESSURE TRANSMITTER
RELIANCE ELECTRIC 45C901 XL II SERIES SHARK PROGRAMMABLE CONTROLLER NIB
MILTON ROY ROSEMOUNT ?? 551340 PRESSURE TRANSMITTER
WATSON MARLOW E242 0242-03-007 SERVO MOTOR
MANNESMANN DEMATIC ZBA 132 B4 B410 ANGULAR GEARED MOTOR
SANYO DENKI 69BM020DBRFB ABS SUPER SERVO MOTOR
EDMUNDS GAGES CAG AC-7910307 GAGING SYSTEM PRECISION MEASURING UNIT
OKUMA E4809-032-496-F 1911-1171-31-19?8 OPUS 5000 SERVO PROCESSOR TIMING BOARD
OKUMA E4809-436-016-C TPB OPUS 5000 II SVP BOARD II W/ E4809-436-017 SVP CARD II
OKUMA E4809-032-452-D OPUS 5000 EC BOARD
NORTH AMERICAN MANUFACTURING CO. H6415 -DSP-15 REMOTE USER
MODICON EMECANIQUE C1600 W81491349 WELDING VFD OP PANEL
PALL LAND & MARINE CORP. CD009122 CENTRISEP AIR CLEANER
