1794-OA8
1794-OA8
1794-OA8
3.CPU模块中的存储器
存储器分为系统程序存储器和用户程序存储器,系统程序相当于个人计算机中的操作系统,它使PLC具有基本的智能,能完成PLC设计者的规定的各种工作。系统程序由PLC的生厂家设计并固定化在ROM(只读存储器)中,用户不能读取。用户程序由用户设计,它使PLC能完成用户要球的特定功能,用户程序存储器的容量以字节(B)为单位。
(1).随机存取存储器(RAM)
用户可以用编程装置读出RAM中的内容,也可以将用户程序写入RAM,因此RAM又叫读/写存储器。RAM的工作速度高、价格便宜、改写方便。
(2).只读存储器(ROM)
ROM的内容只能读出,不能写入。
(3).可以电檫出可编程的只读存储器(EEPROM)
S7-200用EEPROM来存储用户程序和长期保存的重要数据。
备货,备货,降降降,火火火,火火火……
————————————————————————————————
公司名称:厦门泰尼电气有限公司
联系人:小黄(销售代表)
联系电话:0592-6809319
传真号码:0592-6890859(麻烦备注01006收)
手机:18950191386
***号码:2917675397
邮箱:2917675397@***.com
诚信经营,质量为首,诚信至上,泰尼电气小黄竭诚为您服务!!!
————————————————————————————————
BALDOR DIGITAL SOFT START DRIVE 146A 146 AMP MD8-146-CB
REXROTH INDRAMAT SERVO DRIVE 37A 40A 40 AMP HDS03.2-W07
NETZSCH SCREW PUMP XLB
JVM JV 178-450 MOTOR SHAKER VIBRATECH VIBRATORY
SIEMENS SIMATIC BOX PC COMPUTER 627B 6ES7647-6BD26-2BF0
REXROTH INDRAMAT SERVO DRIVE 60A 120A HDS04.2-W200N HDS
Square D Enclosed Circuit Breaker NAL36900 900A 600V
GIDDINGS & LEWIS PIC900 TURBO CPU MODULE 502-03814-60R1
MAZATROL CAM M-2 CONTROL INTERFACE STATION COMPLETE
55 GAL LUBRIPLATE FISKE FOOD GRADE LUBRICANT FMO-85 APG
GORMAN RUPP MOTO PUMP RGS3D4R-B 15HP 15 HP 230/460V 3PH
ABB TAYLOR VIDEO MODULE 6011BZ10001B-2589 MC-5217C
ABB TAYLOR VIDEO MODULE 6011BZ10001B-2558 MC-5217C
ALLEN BRADLEY 2705-T14J3 LIGHTED PUSH BUTTON MODULE 90-
REBUILT STAHLKONTOR GFQ 132-2 40KW 54HP DC MOTOR 440V V
Square D Symax Model 500 Processor 8020 SCP-523X SCP523
GARDNER DENVER 74043AA9 C3 SERIES AIR ROTARY MOTOR 400
RELIANCE RECTIFIER STACK 86466-12R 8646612R 86466
SIEMENS SIMATIC S7-300 CPU MODULE 6ES7 318-2AJ00-0A
SUS***AN ES60 60KW 60 KW ELECTRIC BOILER 3 PHASE 480V 48
WARNER ELECTRIC SECO AC FLUX DRIVE SV3000 SV341A-23000
GE Circuit Breaker TPVF5616 1600A 1600 A Amp 600VAC 3 P
METROLOGIC HOLO TRAK HOLOTRAK BARCODE BAR CODE SCANNER
SQUARE D PBQ4640G SER 6 400A 400 A AMP FUSIBLE BUSWAY S
YASKAWA YRFL-NNA10GD MOTOMAN ROBOT ROBOTIC ARM 10KG 22L
Modicon AEG 410 Servo Positioner 410-3/S908 110-283 110
CONTROL TECHNIQUES EMERSON MODULAR DRIVE POWER SUPPLY M
Allen Bradley Servo Motor MPL-A310P-MJ22AA A 0.98 HP 3P
ZUMBACH LASER MEASURING HEAD CONTROL AT CONTROLLER ODAC
ACRAMATIC CINCINNATI NCP CIRCUIT BOARD CARD 3-533-0763G
GE 9T23Y3877 225KVA 225 KVA TRANSFORMER HI VOLT 480V LO
CARVER 3X2.5X10 CENTRIFUGAL PUMP 300GPM 75 FOOT HEAD W/
GE SPECTRA 400A 400 A AMP PANELBOARD BREAKER PANEL 480
DANFOSS VLT 5000 VLT5000 AC DRIVE VLT-5042 VLT5042
ABB ASEA BROWN TAYLOR UPS MODULE 6221NP10100A-832
ALLEN BRADLEY 1326AB-B7400-21 155349 AC SERVO MOTOR
ALLEN BRADLEY PANELVIEW PLUS 1000 OPERATOR INTERFACE 27
YALE KEL2 2TON 4000LB CHAIN HOIST W/ POWER TROLLEY 230/
EUROTHERM SCR CONTROLLER CONTROL DRIVE 75A 75AMP TU1471
SQUARE D SIZE 6 SZ6 MOTOR STARTER 8536 SHO 2 S4 SHO2 SH
FEDERAL PACIFIC MODEL 36B 112.5KVA 3PH TRANSFORMER HI 4
CUTLER HAMMER V48M28T22L 225KVA 225 KVA TRANSFORMER HI
SOLA SOLATRON ACUVOLT AC13T15 39-59-315 VOLTAGE REGULAT
Allen Bradley 15 KW AC Servo Controller Axis Module 139
REXROTH INDRAMAT SERVO DRIVE 37A 37 AMP A HDS02.2-W040N...
COTTERMAN MAXI-LIFT 176-BH ELECTRIC 17.5' FOOT PLATFORM
