描述
S7 CPU为计数器保留了一片计数器存储区。每个计数器有一个16位的计数器字和一个二进制计数器位,计数器字用来存放它的当前计数值。计数器触点的状态由计数器位的状态来决定。用计数器地址(C和计数器号,如C24)来存取当前计数值和计数器位,带位操作数的指令存取计数器位,带字操作数的指令存取计数器的计数值。只有计数器指令能访问计数器存储器区。
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主营:世界知名品牌的PLC、DCS系统备件模块
①Allen-Bradley(美国AB)系列产品》
②Schneider(施耐德电气)系列产品》
③General electric(通用电气)系列产品》
④Westinghouse(美国西屋)系列产品》
⑤SIEMENS(西门子系列产品)》
⑥销售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系统、WDPF系统、MAX1000系统备件。
⑧Invensys 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。Invensys Triconex:冗余容错控制系统、基于三重模件冗余(TMR)
结构的zui现代化的容错控制器。
⑨Siemens(西门子):Siemens MOORE,Siemens Simatic C1,Siemens数控系统等。
⑩Bosch Rexroth(博世力士乐):Indramat,I/O模块,PLC控制器,驱动模块等。
◆Motorola(摩托罗拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
PHOTON ATP-SM COMPACT VARIABLE ATTENUATOR FOR CCD
ADTRAN TOTAL ACCESS TA 1500 PSU RGU SCU 4W ETO TO FXS
MIRANDA iCONTROL AUTOMATION APPLICATION SERVER CONTROL
AGILENT HP 8656A SIGNAL GENERATOR .1 – 990MHz 990 MHz
UDT S2575 & 2575 SENSOR MINISPHERE COMBINATION
LUCENT-LMI 424 FIBER POLISHING FIXTURE 12 FIBER LC
ADVANCE POWER SYSTEMS 8800-F1-900 R A2 DC POWER SUPPLY
SEIKOH GIKEN RH55-SP-12 FIBER POLISHING FIXTURE
NATIONAL INSTRUMENTS NI PXI 6704 STATIC ANALOG OUTPUT
KENDRO HERAUS LABOFUGE 200 LABORATORY CENTRIFUGE
PHILIPS FLUKE PM3394 200 MHZ OSCILLOSCOPE COMBISCOPE
HP AGILENT 1660CS LOGIC ANALYZER OSCILLOSCOPE 015
CAC WIDEBANK28 WIDEBANK 28 930-0073 CARRIER ACCESS MUX
SIMCO 4102098 IOCLEAN ANTI STATIC NEUTRALIZING AIR GUN
AIXTRON 40080046 INFICON LEYBOLD TRANSDUCER 761-601-G1
ANDO AQ8461-23 8 CHANNEL SENSOR MODULE OPTICAL ANALYZER
NEW OPHIR F300A THERMOPILE SURFACE ABSORBER HEADS
MELLES GRIOT 75 VDC PIEZOELECTRIC CONTROLLER 17 PCW 011
SRS DS345 30MHZ SYNTHESIZED FUNCTION GENERATOR OPT 001
MITUTOYO 516-313 CERA GAUGE BLOCK 35 PC SET 516-313-16
NIKON SMZ-10 STEREO PHOTO MICROSCOPE STEREOZOOM AFX
NEWPORT 925B COMPENSATED ATTENUATOR WITH CASE
SORENSEN DCS8-350 DC POWER SUPPLY 8V 350A DCS 8-350 M9C
OPTISPEC ME2506 MICROSCOPE INSPECTION SYSTEM & KP-M1U
LUCENT PS3000 DUAL 48 VDC DC 3000 WATT RECTIFIER SHELF
STANFORD RESEARCH SR720 LCR IMPEDANCE METER SRS
MIRANDA SYMPHONIE 6X SDA-102I DIGITAL VIDEO AMPLIFIER M
CISCO ONS 15454 CHASSIS W 2X XC TCC MODULES
MIRANDA SYMPHONIE X2 ADA-101I X 3 ADA-702I -T
TRANSISTOR DEVICES DLP 50-60-1000A ELECTRONIC LOAD
NARDA 8716 ELECTROMAGNETIC MONITOR & PROBES 8762 8733
NEW FOCUS 9064-XYZ 3 AXIS MOTION PRECISION LINEAR STAGE
NEW NEWPORT 763H SERIES HIGH POWER LASER DIODE MOUNT
TEMESCAL 200 LASER CONTROLLER POWER SUPPLY
LEITCH SPG-2602N W/ 5X VSM-1344 VIDEO ROUTING SWITCHER
NEW OLYMPUS 3977600 LM PLAN FI 20X/0.40 OBJECTIVE LENS
ORIEL NEWPORT 70328 PHOTOVOLTAIC DETECTOR
GIGA-TRONICS 8542C 40 GHz +47 dBm DUAL RF POWER METER
LUXO 23711 BINOCULAR ZOOM MICROSCOPE WITH BOOM STAND
IET SRL-10K OHMS RESISTANCE STANDARD HIGH ACCURACY
LORAIN VORTEX V50B50 48VDC 50A POWER RECTIFIER
2 PARKER 402LN XY LINEAR STAGES WITH INTEGRATED STEPPER
STEC SEC-4400RC MASS FLOW CONTROLLER AR MFC ARGON NEW
REDBACK NETWORKS SMS 500 ROUTER OC-3 SMF AC ETHERNET
EXFO IQ-3200 IQ3200 RETURN LOSS METER 1250 – 1650 NM
FLUKE ONETOUCH 10/100 NETWORK ASSISTANT FLUKE XDSL