PLC系统中使用开关量输入模块检测脉冲信号的限制条件
在很多工厂应用中，需要对现场采集过来的脉冲信号进行计数。如果使用脉冲计数模块，可以采集到高速脉冲信号。但是脉冲模块价格昂贵，在一些采集低速脉冲信号的场合其实可以使用普通的开关量输入模块代替脉冲计数模块。这样可以降低系统成套费用和系统的复杂程度，也提高了系统的可维护性。如果使用普通开关量输入模块代替脉冲计数模块，就存在一个问题:普通开关量输入模块采集脉冲信号的速度的极限是多少？存在哪些制约条件？以下将以AB公司的ControlLogix 1756系列PLC系统为基础，就这个问题谈一些分析。...
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【主营产品】
1：Invensys Foxboro（福克斯波罗）：I/A Series系统，FBM（现场输入/输出模块）顺序控制、梯形逻辑控制、事故追忆处理、数模转换、输入/输出信号处理、数据通信及处理等。
2：Invensys Triconex: 冗余容错控制系统、基于三重模件冗余（TMR）结构的现代化的容错控制器。
3：Westinghouse（西屋）： OVATION系统、WDPF系统、WEStation系统备件。
4：Rockwell Allen-Bradley: Reliance瑞恩、SLC500/1747/1746、MicroLogix/1761/1763/1762/1766/1764、CompactLogix/1769/1768、Logix5000/1756/1789/1794/1760/1788、PLC-5/1771/1785等。
5：Schneider Modicon（施耐德莫迪康）：Quantum 140系列处理器、控制卡、电源模块等。
6：ABB：工业机器人备件DSQC系列、Bailey INFI 90等。
7：Siemens(西门子)：Siemens MOORE， Siemens Simatic C1，Siemens数控系统等。
8：Motorola（摩托罗拉）：MVME 162、MVME 167、MVME1772、MVME177等系列。
9：XYCOM：I/O 、VME板和处理器等。
10：GE FANUC(GE发那科)：模块、卡件、驱动器等各类备件。
11：Yaskawa（安川）：伺服控制器、伺服马达、伺服驱动器。
12：Bosch Rexroth（博世力士乐）：Indramat，I/O模块,PLC控制器,驱动模块等。
13：Woodward（伍德沃德）：SPC阀位控制器、PEAK150数字控制器。
14:工业机器人系统备件。
NEW MEC MASTER ELECTRONIC DB0K115A1B 115V TIMER
AIR ASSIST IMPRINT DUAL TIMER 100-270-E C50079-8613 DRIVER
NEW GILBARCO MARCONI K35498-02 CANOPY KIT ADVANTAGE WHITE BOX OF 2
NEW GILBARCO MARCONI K35496-02 CANOPY KIT ADVANTAGE WHITE BOX OF 2
GENERAL ELECTRIC GE CR120B04422 CR120B044 600V CONTACT BLOCK
FOUR STATE MODEL T-702 RS232 INTERFACE TESTER
NEW ROTARY LIFT HP13-17 SOCKET HOUSING CHI-32
NEW GILBARCO MARCONI K93733-101S SOFTWARE CHIP
FINN-AQUA AUTOCON 2 CARD SLOT HOUSING PLC CIRCUIT BOARD
NEW UNIVERSAL 410E 1-1/2'' CONDUIT
AB Allen Bradley 100-C43*00 Contactor Starter 30HP 600v Volt 63 Amp 120v Coil
NEW GILBARCO MARCONI T-15353-G1R RAM PCB BOARD G-1-R
NEW GILBARCO MARCONI Q13086-103 PENTIUM II PROCESSOR POWER SUPPLY
NEW GILBARCO MARCONI Q13086-32 PIN BOARD
SQUARE D EDB 3 pole 40 amp 480Y/277v EDB34040 Circuit Breaker
NEW GILBARCO MARCONI M00050A001 CIRCUIT BOARD
NEW OPW-10RMTP-5851 1 1/2'' DOUBLE REPLACEMENT MALE TOP
NEW Federal Pacific FPE NA NA350 3 Pole 50 Amps Circuit Breaker FLAWED
ITE SIEMENS V7F V7E V7H MOTOR STARTER ENCLOSURE EMPTY PANEL PANELBOARD SWITCH
Simplex 562-210 Control Fire Alarm Board
GILBARCO MARCONI PV204 FUEL SITE CONTROLLER BOARD CORE
GILBARCO MARCONI PV205 CONTROLLER BOARD CORE
GILBARCO MARCONI PV203 0443933 CIRCUIT BOARD CORE
NEW PHOENIX CONTACT ST10 LOT OF 50 600V 65A 16-6 AWG AUXILLARY CONTACT BLOCK
Notifier Fire Alarm 237-0313-j board 410-1918-J Card
Blakey ELS 24/30/TD Volts 24 50 HZ Earth Leakage Sensor
DSI02 6637607BI infi 90 BAILEY IMDSI02 DIGITAL SLAVE INPUT BOARD 6637607B1
Simplex 566-369 Accessory Relay Board Module Fire Alarm Ciruit Board 0566369
Nitsuko Input Module Digital DL1131 DL 1131
Simplex 2080-9061 Maintenance Switch with Disconnect Inidicator Lamp with key
REFLEX 12M03-00109-02 RELAY CIRCUIT BOARD CARD
ALTRONIX SCN472372 12 VDC-4 AMPS 24VDC-3 AMPS POWER SUPPLY CHARGER
GE FANUC IC600BF929K 10-50V SOURCE OUTPUT MODULE WITH LIGHTS ##
SMC MGQL25-30-XC18 Compact Guide Cylinder 25mm Bore 30mm Stroke
CPC REFRIGERATION STORE ENVIRONMENTAL CONTROL SEC S.E.C 237-3210 237-3201
CPC REFRIGERATION BUILDING ENVIRONMENTAL CONTROL BEC B.E.C 237-3211 237-3201
SIEMENS LANDIS & GYR SCU 600 534-995 534995 CONTROL CIRCUIT BOARD CARD
saftronics cimr-pcu40p4 AC Drive vsd vfd 3 phase .75 hp .75hp 3/4 380-460
Square D Trilliant SDT235 2 Pole 120/240V 35 Amp Circuit Breaker
NEW IN BOX Square D EDB 3 pole 45 amp 480Y/277v 240v EDB34045 Circuit Breaker
NEW ASI VM10AS10A00820 CONTROLLER
NORTON 78072782545 R249 METALITE(R) PLYWELD 3"x148" GRIT P320X SANDING BELT 61PK
FIREYE TYPE 72DUV1 USE W UV-1,UV-2,45UV3 SCANNERS
SIEMENS NGB 3 pole 100 amp 600Y/347v NGB3B100 Circuit Breaker UR
NEW GILBARCO MARCONI T12491-G1R T-12491-G1R DISPLAY BOARD
NEW GILBARCO MARCONI T-20178-G1R T20178-G1R CIRCUIT BOARD
New Notifier N-ANN-RLY Fire Alarm Relay Module Circuit Board Card
MSA 479767 Display Circuit Board Fire Alarm LED *Missing Cover*
New Norgren B1014C-A1 B1014CA1 300 PSIg
New Cooper Sure-Lites Emergency Exit Sign CX71 LED Die Cast Aluminum
Simplex 2120 Controller Board 562-531P 562-531-P Card
ALLEN BRADLEY 2100 509-BOD SIZE 1 MOTOR STARTER 35 AMP MCC BUCKET
Silent Knight 204820L Fire Alarm Board Card
Dedicated Micros SLDX16C Sprite Lite DM/SPL4/D/16
Simplex FIRE ALARM 4100-5015 8 ZONE CLASS A MODULE 565-231 REV D
Simplex 2120 Controller Board 562-531 562-531 Card Fire Alarm
SIMPLEX 4120 NETWORK MODULAR BOARD PANEL CARD 565-649A
EXTRON MODEL 706 INPUT 0-15 VDC OUTPUT 0-10 VDC DANCER CONTROL
GILBARCO MARCONI Q12598-06 330506-001 CPU BOARD CORE
New Lutron FDB-T442-120-2-S Dimming Ballast Fire Alarm
MURRAY MD-A-200 2 POLE 200 AMP 240V MD2200 CIRCUIT BREAKER MD2200A FLAWED
NEW GE GENERAL ELECTRIC CR104MB22213 SELECTOR SWITCH
NEW VEEDER ROOT ELECTRONIC TOTALIZER, 799526-011, 115 VOLTS, 2 WATTS
Siemens HED HED42B050 2 pole 50 amp Circuit Breaker
SQUARE D 8903LG30 LIGHTING CONTACTOR 120V COIL 3 POLE 600V 30 AMP ENCLOSURE
Square D QOB 3 pole 40 amp QOB3401021 Circuit Breaker QOB340-1021 Yellow FLAW
SIEMENS NGB NGB3B100 3 POLE 100 AMP 600V CIRCUIT BREAKER #2
Siemens HED HED42B060 2 pole 60 amp Circuit Breaker Label
GILBARCO MARCONI T18018-G1 POWER SUPPLY BOARD CORE
New Bailey Controls 258310A2 Servo Assembly Kit
Siemens Fire Alarm Panel Annunciator FS-RD2 FS-RD-2 Remote LCD for FS-250
ALLEN BRADLEY 1772-LSP MINI PROCESSOR W/ POWER SUPPLY
Square D QOB 3 pole 40 amp QOB3401021 Circuit Breaker QOB340-1021 Yellow
NEW GILBARCO MARCONI T-16513-G1R 323562 POWER SUPPLY ASSEMBLY G-1-R
New Chesterton 237192 Hydraulic Seal Seal Size 4.435 Shaft Size 4.435
New Chesterton 237193 Hydraulic Seal Seal Size 4.4375 Shaft Size 4.438
Cerberus Pyrotronics ILPT-1 Smoke Detector Fire Alarm
NEW OLD STOCK LOT OF 3 FIREYE ED550-6 REMOTE CABLE
FEDERAL PACIFIC FPE XF 3 POLE 15 AMP 600V CIRCUIT BREAKER FUSEMATIC
GILBARCO MARCONI T12886-G1R FRONT DISPLAY BOARD CORE
Square D FGA PowerPact FGA34035 3 Pole 35 Amp 480V Circuit Breaker UR FLAW
New Eagle BLR-GAUGE-001 6DR40042MN Gauge Block
ISSC KANSON 1030-1-G-G-6-B PULSED ON/OFF .06 TO 10 SECOND TIMED RELAY
Simplex 2120 Controller Board 562-531G 562-531 REV G Card 0562531
NEW LIGHTING CONTROL & DESIGN EMERGENCY SHUNT RELAY GR2001 E/S-120 DUAL 120V
NEW FENWAL 27021-1 225 DEG FIRE DETECTION THERMOSTAT
NEW EATON CUTLER HAMMER XTPR012BC1 MMP ROTARY FRAME CLASS B 10 8-12A
NEW GOODYEAR 4430V800 VARIABLE SPEED V BELT 80" inch 2.75" TOP WIDTH .685" THICK
NORTON 78072717399 R445 RURITE(R) NORLOK 4"x106" 100x GRIT SANDING BELT BOX OF 9
SAVS15SE SAV15GEN E W77963 C175 FIRE ALARM PANEL BOARD
NEW GILBARCO MARCONI W01511-G1R W0-1511-G1R REGULATOR INTERFACE BOARD
NEW GILBARCO MARCONI T16023-G1R T-16023-G1R DRIVER BOARD
NEW GILBARCO MARCONI T19140-G4R T-19140-G4R MEMORY BOARD
OLSUN DRY TYPE REACTOR 608896-31R .420 KVAR 3PH .05kva TRANSFORMER
NEW PHILIPS DAY-BRITE 1TF232-RA21-UNV-1/2-EB10R-LPT835 FLUORESCENT LIGHT 32W
GE 7700 SERIES CIRCUIT BREAKER 8AWG STABS 30 AMP MAX MCC MCCB BUCKET
New EGS 240/480 .250KVA Single Ph Transformer HS1B250
Brown Boveri W981F84H009 Rev A Circuit Board W981F72H021
GILBARCO MARCONI W02862-G3 POWER SUPPLY CORE
ALLEN BRADLEY 2100 30 AMP F SIZE 1 MOTOR STARTER MCC BUCKET ON OFF LIGHT
NEW GE GENERAL ELECTRIC 3S7505SS510A6 MICROMINIATURE LIGHT SOURCE SENSOR
ITE EF3 EF3-A030 3 pole 30 amp 480v EF3-A030 Circuit Breaker CHIPPED
GILBARCO MARCONI VERIFONE 870035-02 CIRCUIT BOARD CORE
GILBARCO MARCONI VERIFONE 881506-01 CIRCUIT BOARD CORE
GILBARCO MARCONI VERIFONE 881662-01 CIRCUIT BOARD CORE
TURCK MS13-22EX0-R MULTISAFE MULTIMODULE MULTICART MATING ACCESSORY
NEW HELUKABEL JB-500 CABLE WIRE CONNECTOR FLEXIBLE
AB 500F-D0D930 or 500-DOD93 AC SIZE 3 Contactor 90 amp 3P 120v LUGS chipped
Cutler Hammer Circuit Board Style 1A96699C01 for W200m1CFC Starter W/ 120v Coil
NEW GILBARCO VEEDER ROOT M00077A001 POWER SUPPLY
AB VFD AC Drive 160-BA01NSF1 380-460v .5hp Series A
New Take Out SIEMENS ED6 3 pole 15 amp 600v ED63B015 Circuit Breaker ED
INDRAMAT FWC-DSM2.1-SSE-02V11-MS SUPPLY PARAMETER FIRMWARE MODULE DRIVE #17
Allen Bradley 509-BOD-XXX Size 1 Motor Starter w/ 592-A2FA Overload 120v Coil
CSC 2063PCDMF Lo Voltage Cap Cell 20kva 600v 3 phase
GILBARCO MARCONI W02096-G2 LOGIC BOARD CORE
new SKF EXPLORER 3313A 2.546 ID x 5.525 OD BALL BEARING
Allen Bradley 500F-D0D930 500F-DOD93 AC SIZE 3 Contactor 90 amp 3P 120v Coil #3
Allen Bradley 500F-D0D930 or 500-DOD93 AC SIZE 3 Contactor 90 amp 3P 120v LUGS
NEW TORRINGTON-FAFNIR 312WDN BEARING SEALED 1 SIDE 2.365"ID x 5.096"OD x 1.216"W
New System Sensor SP201R Series Speaker FIre Alarm
NUMATICS FLOW REGULATOR A23RD100O000000 10-130PSIG
NEW GILBARCO MARCONI PA02070000R 322432 REMOTE DISPLAY ASSEMBLY
NEW GILBARCO MARCONI W02411-G2R W0-2411-G2R 340124 EXPANSION BOARD
NEW GILBARCO MARCONI M01755HSS1 HESS OIL PN PAD
New Box Sealed AutomationDirect FC-33 Pwr 24 VDC CLS2 In/Out V/mA
New Simplex 4009-9802 Back Box Cabinet Mount
GILBARCO FREEDOM ELECTRONICS W02067-G2R LOGIC BOARD CORE
GILBARCO MARCONI T14974-G1R DISPLAY BOARD CORE
NEW POTTER & BRUMFIELD P30P42D12P1-24 600V CONTACTOR
GILBARCO MARCONI T15857-G1R POWER SUPPLY BOARD CORE
NEW IN BOX SQUARE D EDB 3 pole 15 amp 480y/277v EDB34015 Circuit Breaker
NEW CARR LANE ROEMHELD CLR-2953-010-V AIR SWING CLAMP
SIEMENS 3VN4200-0HT00 3VN4 3 POLE 65 AMP BREAKER
NEW TAKE OUT Square D EDB 3 pole 25 amp 480y/277v EDB34025 Circuit Breaker
new RONAN X9-5001-115VAC X9D15-1-D SOLID STATE FLASHER MODULE CARD
GILBARCO MARCONI W02067-G2R LOGIC BOARD CORE
LANDIS & GYR 535-111 SCU POWER SUPPLY 535111
FINN-AQUA AUTOCON CONTROL SYSTEM KEY BOARD PIN PAD
NEW GILBARCO MARCONI T-18162-G1R POWER SUPPLY G-1-R
NEW GILBARCO MARCONI Q13086-52 CIRCUIT DRAM BOARD
NEW FURNAS DEFINITE PURPOSE CONTROLLER 42EF35AL 3 POLE OPEN ENCOSURE
GILBARCO MARCONI UCB-400H8 BALLAST HOUSING
NEW GILBARCO MARCONI A864CHSCFG ENCLOSURE BOX SDTP REMOTE TEMP CONTROLLER BULB
NEW MATSUSHITA NAIS MQ-F MQ-FWAR2-DC12-24V AN53050 PHOTOELECTRIC SENSOR
ITE SIEMENS V7F V7E V7H MOTOR STARTER ENCLOSURE EMPTY PANELBOARD SWITCH 8''
New BALLUFF BES R01ZC-PAC70B-BP03 Inductive Sensor
VAN AIR SPITFIRE AUTOMATIC DRAIN MODEL SDV -2/300
NEW NOTIFIER FIRE-LITE LPX-751L LASER VIEW SMOKE DETECTOR HEAD
NEW EBW 66244004 SHUT OFF DOUBLE POPPET VALVE
NEW PHOENIX CONTACT LOT OF 50 PIT 2,5-QUATTRO 600V 20A 24-12 AWG TERMINAL BLOCK
SIEMENS NGB 3 pole 100 amp 600Y/347v NGB3B100 Circuit Breaker FLAWED
FIRE ALARM KIDDE/FENWAL 74-200007-001 0229A I/O MOTHERBOARD CARD
NEW **BOX SEALED**4009-9808 NAC CLASS A ADAPTOR OPTION CARD 565-789
Thermotron scm-05 1059777 479996B 1059785 circuit board with 5 1153636 top card
NEW ASCO SOLENEID VALVE P321A1 120V 1/4 INCH NPT
PITTWAY SA678-28 E W7725 LINE FAULT MONITOR BOARD
PITTWAY SA678-5M W7385 LINE FAULT MONITOR BOARD
UNICO 100-407 L-100-407 100407 PC CIRCUIT BOARD CARD 51-81
Modicon Circuit Board AS-S396-000 Power Supply Board
MCS16-20E PELCO MASTER CAMERA POWER SUPPLY 50/60HZ 720W 120AC
New SIMPLEX 4100-1280 8/9 RED LED FIRE ALARM MODULE CIRCUIT BOARD CARD
honeywel input module plc pcu card 621-1160r 6211160r 115 volts
NEW SIMPLEX FIBER OPTION CARD 566-380 REV D
SIMPLEX 562-755 B 0562755 REV B FIRE ALARM SIGNAL CARD RELAY BOARD
MILLER AL4-61B2B-0.250-6.000-0100-N11M CYLINDER 250 PSI SERIES AL4 PNEUMATIC
VECTOR 3000 DIGITAL POINT ANNUNCIATOR CONTROL SYSTEM
New Simplex 2098-9430 Explosion Proof Detector 477-010
PANASONIC VALCOM SA-VSHFB HW RBX CIRCUIT CARD D4469-8
NEW SDC 602RF LAMP REGULATED POWER SUPPLY PANEL 12/24 VDC 1 AMP
NEW ALLEN BRADLEY 1771-0A SER B 120V INPUT MODULE
SIMPLEX 562-513 562513 RS232-C FIRE ALARM PANEL BOARD
NEW Square D EDB 3 pole 35 amp 480y/277v 240v EDB34035 Circuit Breaker
NEW TAKE OUT Square D EDB 3 pole 15 amp 480y/277v EDB34015 Circuit Breaker
NEW IN BOX Square D EDB 3 pole 60 amp 480Y/277v EDB34060 Circuit Breaker
GOULD 44-0065-03 RATE SELECT MODULE CIRCUIT BOARD BAUD
CERBERUS PYROTRONICS RM-30U RELEASE MODULE BOARD CARD
Simplex Power Supply Circuit Board Card 556-707 556707 0556-707
NEW GILBARCO MARCONI Q13579-01R Q-13579-01R TRANSMITTER BOARD
NEW GILBARCO MARCONI T17316-G1 T-17316-G1 CONTROLLER BOARD
ALLEN BRADLEY 2100 SIZE 1 MOTOR STARTER FUSIBLE F MCC MCCB BUCKET 9A
Siemens SSD-C-REM 580-034170-5 w/back plate remote system status control board
GOULD 44-0068-00 REVISION C CIRCUIT BOARD CARD
NEW PHOENIX CONTACT PIT 2,5 TWIN QTY OF 50 32-09-54-9 TERMINAL BLOCK 600 V 20 A
NEW PHOENIX CONTACT PIT 2,5-TWIN LOT OF 50 TERMINAL BLOCK
THORN IAM-800 P/N 940562 125-065-756 EXPANSION MOTHERBOARD CIRCUIT CARD
STI 44518-0030 MF SERIES CONTROL UNIT
GILBARCO MARCONI FREEDOM T15857-G1 POWER SUPPLY BOARD CORE
ALLEN BRADLEY 2100 SIZE 1 FUSIBLE F MCC MCCB BUCKET MISSING
NEW OLD STOCK INSULATOR SEAL INCORPORATED 9332025 4346/2 VACUUM PUMP
New Siemens TRI-S Addressable Interface Monitor Module 500-896225 Fire Alarm
NEW GILBARCO MARCONI T-17436-G1R 337637 REGULATOR BOARD G-1-R
NEW NORGREN QA/8063A/51 F7DA GUIDE BLOCK FOR 63MM AIR CYLINDER 400MM STROKE
NEW Square D EDB 3 pole 15 amp 480y/277v EDB34015 Circuit Breaker Flawed
GILBARCO MARCONI W02067-G2 LOGIC BOARD CORE
GILBARCO MARCONI T13360-G1 INTERFACE BOARD CORE
Fike Fire Suppression System 10-1608 Fire Alarm Circuit Board Card
New No box Square D EDB 3 pole 60 amp 480Y/277v EDB34060 Circuit Breaker
New in box Invensys N800-555-BOX-0-00 Positive Positioner Fire Alarm
New In Open Box Simplex 4602-9102 Annunciator Control Unit Fire Alarm
New In Open Box Simplex 4602-9102 Annunciator Control Unit Fire Alarm
VAN AIR SPITFIRE AUTOMATIC DRAIN MODEL SDV
NEW NOTIFIER LPX-751L LASER VIEW SMOKE DETECTOR HEAD
GILBARCO MARCONI 30199-R1A PPM-4100 120-050 CIRCUIT BOARD CORE
SCIEMETRIC MODEL 223 16 CHANNEL SSR I/O CIRCUIT BOARD ODC-5
FLU3-25-SERIES Power General Circuit Board Switching Power Supply
NEW INTRINSPAK 8901/31-199/130/70 SAFTEY BARRIER
NEMIC LAMBDA LWT30H-522 POWER SUPPLY
NEW GILBARCO MARCONI T12082-G1R T-12082-G1R LOGIC BOARD
NEW NORGREN R24-600-RGFA 3/4'' REGULATOR
NEW PEPPERL & FUCHS SB2427 ZENER BARRIER PART# 5405602
SMC NAV5000-N06-5DZ Soft Start Valve 29-145 psi 24v DC Coil 3/4 NPT
GOULD AS-P371-002 PROGRAM PACK MODICON
ALLEN BRADLEY 2100 SIZE 1 MOTOR STARTER 30 AMP BREAKER MCCB MCC BUCKET OLD STYLE
ALLEN BRADLEY 2100 SIZE 1 MOTOR STARTER 7 AMP BREAKER MCCB MCC BUCKET OLD STYLE
NEW GILBARCO MARCONI T14781-G2R T-14781-G2R RELAY BOARD
NEW Electronics Corp of America ECA 22DJ3-3000 PHOTOSWITCH 22DJ33000
NEW GILBARCO MARCONI T17307-G1S T-17307-G1S INTERFACE BOARD
SIMPLEX FIRE ALARM 565-626C 0565626 CONTACT CLOSURE DACT ASSY BOARD
NEW GILBARCO MARCONI T13738-G2R T-13738-G2R POWER SUPPLY BOARD
DATA LOGIC ET3-012 PHOTO SENSOR
NEW GILBARCO MARCONI T14390-G1R T-14390-G1R RELAY BOARD
NEW MITSUBISHI A7GT-CVL-BP1 TOUCH SCREEN COVER 13VF55
NEW GILBARCO MARCONI T-19140-G3 T19140-G3 MEMORY BOARD
NEW GILBARCO MARCONI T-19495-G1S T19495-G1S CIRCUIT BOARD
NEW GILBARCO MARCONI T-20141-G3R T20141-G3R CIRCUIT BOARD
NEW GILBARCO MARCONI T-20141-G2 T20141-G2 MEMORY BOARD G-2
NEW KEYENCE FU-68 FIBER OPTIC SENSOR
NEW NO BOX SIMPLEX LOCKING GREY CABINET WITH KEY 14"X8-1/2"X4"
NEW TELEMECANIQUE SG08003320E6 R.B. DENISON MAG SWITCH SENSOR 360W 3 AMP 120V
SQUARE D 3 POLE LIGHTING CONTACTOR 60 AMP 600V 110V/120V COIL 8903SPG2
NEW UNITED ELECTRIC E121-3BS EXPLOSION PROOF THERMOSTAT
ALLEN BRADLEY SIZE 2 MOTOR STARTER FUSIBLE F MCCB MCC BUCKET
NEW FLOWSERVE GATE VALVE SW12111 SIZE 1" 800PSI
TBCP 2Y000937-2 AC CIRCUIT BOARD MADE IN JAPAN DH860324
TVSS M277YAAC 277v/480v 3 phase 4 wire with ground Surge Supression System
NEW NO BOX ADVANCE RC2S102FO F-CAN BALLAST HIGH POWER FACTOR BALLAST 120V
NEW ELECTROMATIC EI1808TBOP PROXIMITY SENSOR 20-265V 20-500mA
NEW GE GENERAL ELECTRIC 22D112G3 COIL
new INPRO/SEAL 1963-A-M0049-5 SEAL
new INPRO/SEAL 1963-A-M0025-5 SEAL
new JOHN CRANE C11211 SEAL HEAD ASSEMBLY TYPE:8-1 SIZE: .875" MR:CLPFULL
New ADT-PS Intelligent Photoelectric Smoke Detector Fire Alarm
DURAMETALLIC AA3JM085L33 TUNGSTEN CARBIDE A INSERT
GE GENERAL ELECTRIC H2000-6J GEH3792 EXPLOSION PROOF LIGHT LAMP
NEW SPX/NACHI-FUJIKOSHI 130-0234 SEALED BEARING 90mm x 140mm x 24mm
Farrel W981F72H009 Circuit Board
SIEMENS 3RG6153-3MM00 PROXIMITY SENSOR
New SMC TIL-11-16-X48 Super PFA Tubing
Simplex Power Supply 556-045 / 556-259 Fire Alarm
TraceAbility System BBC-F1010 BBCF1010 Bumpy Bar Code Scanner Reader
CHALLENGER CFH CFH3040 3 POLE 40 AMP CIRCUIT BREAKER
NEW KEB 09.E4.T60-0001 HF-FILTER KIT 240V
FOXBORO CM902WM POWER MODULE MODEL AA16565
FOXBORO P0902WL POWER MODULE
new NSK 7911A5TSULP4 207 UG BEARING
SQ D QOB 3 POLE 40AMP QOB3401021 SHUNT CIRCUIT BREAKER QOB340-1021 BLACK BOLT ON
New Dayton 2A210 7 Day Time Switch
ALLEN BRADLEY 2100 30 AMP 600V F FUSIBLE FEEDER MCC MCCB BUCKET DOOR
ALLEN BRADLEY 2100 SIZE 1 MOTOR STARTER 30 AMP FUSIBLE MCC MCCB BUCKET HOA
New Druckschalter Bosch 0811-160-060 0811160060 250V Hydraulic Valve
CKD PNEUMATIC CYLINDER SCA2-00-40NB-350 40MM BORE 350MM STROKE BASIC TYPE
new NSK LAH15EMZ-K1 LINEAR GUIDE
new NSK LAH15BN-K1 LINEAR GUIDE
new NSK LAH15BNZ-K1 LINEAR GUIDE
New Cooper Lighting Ifxture 4PK50 Fire Alarm
Simplex 565-158 4100 Mapnet Isolator Fire Alarm board 4100-3103
MICROSWITCH LOG5-14 LOGIC BOARD
New Wheelock WS1T-24-FR Single Gang Strobe Fire Alarm
ALLEN BRADLEY 2100 7 AMP SIZE 1 509-BOD MCC BUCKET
IR LCN 7820SEM SENTRONIC ELECTRONIC MAGNET DARK BRONZE
New Hubbell Specification Slide Dimmer S11GY 1000W Preset Grey 120V
NEW AMF POTTER BRUMFIELD CDD-38-30001 TIME DELAY RELAY .1-1 SECONDS 10 AMP 24VDC
NEW KURODA PRN10S-180-90 JI HI ROTOR ROTARY ACTUATOR
NEW CUTLER HAMMER 6-16-2 REPLACEMENT CONTACT
BALLUFF BNS 813-B2-R12 61-A-20-01 LIMIT SWITCH 0426DE 240V 6 AMP
GILBARCO MARCONI VERIFONE T19146-G1R PUMP LOOP BOARD CORE
TURCK MS24-112-R/S71 MULTISAFE RATIONAL SPEED MONITOR 110VAC
RELIANCE ELECTRIC 04-1A BOX OF 10 BRUSHES FOR MOTOR
VERIS INDUSTRIES FCL 1500/5-4 CURRENT TRANSFORMER RATIO 1500:5A 600v 10KV BIL
GE JAB-0 750X36G204 CURRENT TRANSFORMER RATIO 400:5 BIL 10KV 60Hz
Entrelec LR23701 TYPE O-125 ROTARY CAM SWITCH 3 PHASE 600v
faiveley 12 feet 4 pin male infrared detecter reciever cable wire 38980259
NEW ASHCROFT 45 1279S 02L XLL DURAGAUGE 4-1/2" DIAL 0-300 PSI 1/4" NPT
BAYSIDE PX34-070 MX90-070-005 RATIO 70.1 GEAR HEAD
KULICKE & SOFFA INDUSTRIES MODEL 4322 4322-105-0 CONTROLLER UNIT
MORS SMITT 1483st 1483 st ms relais sa tgls 300 448 000
partlow mlc9002 + z4610 CONTROLLER MODULE loop
New Siemens BLH 2 pole 20 amp 120/240v B220H00S01 Shunt Trip Circuit Breaker BL
NEW TOSHIBA TYPE CMK-50AE CONTACT KIT FOR C-50AE 1 PER BUY
Square D 8903LO04 4 Pole Lighting Contactor 30 Amp 600v 120v Coil 8903 LO04
NEW NACHI 6218ZZ SEALED BEARING ON ONE SIDE 90mm x 140mm x 24mm
NEW AUTOMATIC VALVE-MI USA 409B553B1A LEVER OPERATED
Cutler Hammer Circuit Board Style 1A96699F01 for W200m1CFC Starter W/ 120v Coil
RexRoth PS34010-3333 PS340103333150 PSI Pneumatic Valve
New Chesterton 177874 Hydraulic Seal Seal Size 4.435 Shaft Size 4.435
Simplex 2120 Audio Relay Board 562-589H 562-589-H card
HOKUYO AUTOMATIC OPTICAL DATA TRANSFER DEVICE, D,-HA2
NEW SKF NUTR 45100 TRACK ROLLER BEARING 45mm ID x 100 mm OD x 30 mm W
New Westinghouse 177C981G10 LB Breaker Mold Case Switch Linkage Kit 3 Pole
SIMPLEX MULTIPLEX PHONE SET 562-214D 733-061C
COMMUNICATION UNIT 556-256B 556-062E 556-975M
SIEMENS SIMATIC S5, INPUT MODULE, 6ES5 431-8MC11
GILBARCO MARCONI T17543-G2 MAIN LCD DISPLAY BOARD CORE
New Flowserve KEPA4500FE3 316 Stainless Steel Durchrome Seal Ring 642-0409
New Universal Lighting Technologies P400MLTAC4L-500K metal halide ballast
PROCESS SENSORS CORP. SENSOR DISPLAY
Allen Bradley 509-BOD-XXX Size 1 Motor Starter w / 592-A2EA Overload 120v Coil
FPE NB NB330 3 POLE 30 AMP CIRCUIT BREAKER NA FEDERAL PACIFIC BLACK
New Panduit F3X5LG6 Wire Duct Narrow Slot Gray 6 Feet
Fireye Solid State Burner Management Series D 70D40
NEW CRANE BRONZE GATE VALVE, #424, 1-1/2", FNPT, 200 PSI
PHB 14605-1 M00159 FILTER HOLDER
New Versa ESM-3011-44-ARS-HC-H2-A120 Directional Valve 120v 0-100 PSIG 0-7.0 Bar
New Versa ESM-2011-80-ARC-HC-A120 Directional Valve 120v 0-100 PSIG 0-7.0 Bar
CONTROMATICS FIRE SAFE 2 C7480 02 1500 WOG 0122 BALL VALVE 2-1/2" NO HANDLE
ALLEN BRADLEY 2100 SIZE 1 FUSIBLE F 3 AMP MCC MCCB BUCKET DOOR
PHOENIX INSTRUMENTS OPAC-1090 OPACITY ANALYZER SENSOR
Federal Signal RAN System Annunciator Monitor Enclosure Keyed
BOSCH 0820031008 SOLENOID VALVE
LANDIS & GYR SCU 600 40 SLOT INPUT MODULE PANEL BOARD
NEW HAND HELD, BARCODE SCANNER, 3800PDF-USBKITE
New ASCO EF8342720 Solenoid Valve Explosion Proof 120V 1/4'' Pipe
New Drexelbrook Waste Probe 001 700-703-307-00 Liquid Level 0-31''
NUMATICS SOLENOID VALVE ASSY 062BA415MG 062BB415MG
NEW TELEMECANIQUE THERMAL OVERLOAD RELAY LR2D3353 23 - 32 AMPS NEW IN BOX
ALLEN BRADLEY 1791D0B16PX COMPACT BLOCK I/O WITH CABLE
Square D 8736SAO16 Size 00 Reversing Motor Starter 2HP 9 Amps 600 Volt 120v Coil
JOHNSON CONTROLS T-5210-1 TEMPERATURE TRANSMITTER 50-100 DEG F 10-37.8 DEG C
ARO INGERSOLL-RAND C28231-700 3/8" AIR FILTER / LIBRICATOR COMBO
BAILEY infi 90 6634623l1 NSIM01 6634622E1 SERIAL INTERFACE BOARD #45
NEW NELES JAMESBURY 21-2236-110 1-1/2" BALL VALVE W/ TORQ-HANDLE ASSEMBLY
BRONZE 600 WOG 2" SHUT OFF VALVE WITH SPRING RETURN HANDLE 1 PER BUY
FOXBORO/SUN MICROSYSTEMS MODEL 544 SERVICE CODE S114 P:N 600-3367-01
New Honeywell L91D 1015 Proportioning Pressuretrol Fire Alarm
new TIMKEN 3660 TAPERED CONE BEARING
Simplex 562-976 Circuit Board Fire Alarm
NEW MRC 216S STEEL/ C3 / ABEC-1 / EMQ BEARINGS ID 3.12IN X OD 5.5IN X 1.03 IN
MotherBoard Assy 556-106 / 556-105D Fire Alarm
New Hubbell HBL2731SW Twist-Lock 30 amp 480v 3 phase Safety-Shroud Plug
New Simplex 4098-9602C Photoelectric Detector w/ heat
ALLEN BRADLEY 2100 SIZE 1 FUSIBLE F 3 AMP MCC MCCB BUCKET
NEW FALK 0710937 1090T HUB COUPLING 3.5000 " BORE 7/8" x 7/15" KW
NEW WATTS FLUIDAIR BK603WB BOWL KIT
new ITOH POWER MOLLER PM380AS-10-250-3-200 POWER ROLLER FOR CONVEYOR
LOT OF 4 BANNER MULTI-BEAM PHOTO ELECTRIC SENSORS
ALLEN BRADLEY 700S-P1020A1 SERIES E AC RELAY
New Eaton PKZM0-20/AK Motor-Protective Circuit-Breaker XTPR020BC1
new AETNA E-45-3 3.531 ID x 5.226 OD THRUST BEARING
GE CL07E300M W/ RT2G Manual Motor Starter 50HP 600v 42-55 Amp 24v-28v AC/DC Coil
New Open Box Nelson Heat Tracing Systems ALT-BC-J-3 Pipe Heating connector kit
CONCEPTUAL 60040-100 KING SCALE #60040 LOAD CELL 100LB
New Chesterton 177875 Hydraulic Seal Seal size 35.5 Shaft Size 4.438
Montech DAP-1 44821 Pneumatic Rotary Drive
NEW GILBARCO MARCONI T-15965-G2R 319601 IO CHASSIS ASSEMBLY G-2-R
NEW GILBARCO MARCONI T-12846-G1R 318094 POWER SUPPLY G-1-R
NEW PARKER MOTION AND CONTROL ADJUSTABLE CHECK VALVE ECR800S8
NEW GILBARCO MARCONI W02412-G1R 321509 BOARD ASSEMBLY
COAL PROBE, CONVEYOR COMPONENTS, LEVEL, CT 201, TILT LEVEL CONTROL
NTN BEARING SHAFT, T-M12549
GE CL04D310M GPS1BHAN Manual Motor Protector Starter 600v 14-20 Amp 24v DC Coil
Taylor Termination Panel Chassis 1720FZ14000A Fire Alarm
CPC REFRIGERATION MONITOR CIRCUIT BOARD CARD 237-3200 BOARD 537-3200 ASSEMBLY BL
HONEYWELL NETWORK INTERFACE UNIT, Q7700 A 1014
SIMPLEX FIRE ALARM 8 POINT MONITOR BOARD 562-813A-1 0562813 REV A -1
Surge Suppression Inc Surge Suppressor SDLA3N4 440v 480v Type 1 Enclosure
NEW NORGREN QA/8063/51 GUIDE BLOCK FOR 63MM AIR CYLINDER 400MM STROKE
NEW HUBBELL DUAL LITE EMERGENCY LIGHT ESS-I-2FRMI EDS SERIES LITE 2 6V 14.4W
Allen Bradley 500-COD920 Size 2 Contactor 1 Phase 7.5HP 230v 45 Amp 120v Coil
New VANSCO 46-03-19 ANTI FLOOD ASSEMBLY 460319
New Burkert Sullair 02250124-614 02250124614 120V Solenoid Coil
FUJI HC-7 HANDY TERMINAL
GILBARCO MARCONI VERIFONE W01541-G1 PUMP DISPLAY BOARD CORE
TURCK BI3U-M12-AX6X-H1141 PROXIMITY SENSOR
GILBARCO MARCONI T15353-G1S RAM BOARD CORE
GILBARCO MARCONI T15841-G1R CIRCUIT BOARD CORE
ALLEN BRADLEY 2100 30 AMP FUSIBLE F SIZE 1 MOTOR STARTER MCC BUCKET
NEW FUJI BU-ESA3040L 3 POLE 15 AMP Circuit Breaker
AGM RESISTANCE TEMPERATURE TRANSMITTER POWER SUPPLY TA4552-1 ISO;ATOR TA4003-2
RFL Industries Board HD-49053 67 MBB Logic Fire Alarm
new SKF SY1.15/16TF PILLOW BLOCK BEARING
New BOSCH RACINE 221887 HYDRAULIC CKECK VALVE
WATLOW ARJHFOQ200GJ000 THERMOCOUPLE 20" LONG .250" DIAMETER AR CONNECTION HEAD
MAGNETEK HF3H033N 1/3 HP 115V 4.8 AMP 1075 RPM SINGLE PHASE MOTOR
DREXELBROOK 401-1000-001 TEMPERATURE CONTROL
BEVCO BRIDGE RECTIFIER SD-300 90/95VAC 125VDC
New Square D SLSPW1277UL wall switch occupancy sensor Fire Alarm
new AMI FX11-36 2.261 ID FLANGED MOUNTED BEARING W/ UCX11-36 BEARING
PEER F215 FLANGE 4 BOLT MOUNTED BEARING W/ UC215-47J BEARING
NKB F215 4 BOLT FLANGE MOUNTED BEARING W UC215-47 BEARING
INTORQ BKF458-12E 103VDC 40W NR00742707 32NM CLUTCH BRAKE
NEW HUBBELL 71317-002 COIL
NEW FC5411 ROUND INNER GUIDE KIT
New Square D 8901DPA14V02 Definite Purpose Contactor 4 Pole 600v 25amp 7.5Hp
NEW PARKER FILTRATION 934547 UJ VALVE
SQUARE D FAL FAL360401212 FAL36040-1212 3 POLE 40 AMP 600V Shunt Breaker black
ROBERTSHAW LEVEL TEK 1020EX EXPLOSION PROOF SENSOR 115V HLFS
ROBERTSHAW LEVEL TEK 1010EX EXPLOSION PROOF SENSOR 115V
NEW ASCO F222B4K 1" PIPE SOLENOID VALVE RED HAT
new HANNA MS2-3A NC 2.00 3.00 DAL 1A K06069801 CYLINDER 2" BORE 3" STROKE
豫公安备 41010502000017号