1738-OB16E25DS++++1738-OB16E25DS

++++

内存容量

PLC内存有用户及系统两大部分。用户内存主要用以存储用户程序，个别的还将其中的一部分划为系统所用。系统内存是与CPU配置在一起的。CPU既要具备访问这些内存的能力，还应提供相应的存储介质。

：张亮（工程师）    专线：
24小时移动专线：         【】

用户内存大小与可存储的用户程序量有关。内存大，可存储的程序量大，也就可进行更为复杂的控制。从发展趋势看，内存容量总是在不断增大着。大型PLC的内存容量可达几十k，以至于一百多k。系统内存对于用户，主要体现在PLC能提供多少内部器件。不同的内部器件占据系统内存的不同区域。在物理上并无这些器件，仅仅为RAM。但通过运行程序进行使用时，给使用者提供的却实实在在有这些器件。

*处理15年2.4号

1756-CNB/D 4
1756-IB16/A 2
P0911PV 1 3
1784-PCC 1
1756-L55M22/A 1
TRICONEX 8312 2
1756-DNB/A 3
140NOM21100 3
IC693BEM331 2
MVI56-PDPS 1
140NOE77101 2
1761-NET-DNI 1
1769-OB16P 4
1769-OF8V 1
1769-ECR 1
1769-SDN 1
1757-SRM 1
1756-CNBR/D 1
1203-GU6 1
IC697BEM731 1
1756-L61 1
IC697BEM713 1
IMASI23        1
140XTS00200 7
1756-TBNH  5
1756-IF16/A 1
1756-HSC/B 1
1606-XLS480E 1
1756-DNB/D 1
1756-IB32/B 1
1756-OB32/A 1
1756-HSC/A 1
1756-L62/B 1
1794-ACN15 1
DNBT P0971WV-OF 4
DNBT P0971WV-OG 1
140CPS11420 3
1756-TBCH 5
1756-CFM/A 8
1756-OW16I/A 3
1756-PB75/B 1
1756-IF8/4 1
1756-TBNH 8

TOTAL CONTROL GCK2D100S2P/GCK-2D100-S2P QUICKPANEL N

BARKSDALE T2H-M251S TEMPERATURE SWITCH NIB

MILWAUKEE 140NF NOPAK PNEUMATIC FOOT VALVE NNB

ARK/DIALIGHT 586-1102-101/02J7157 T-1 3/4 GREEN LED 

ALLEN BRADLEY 1497-N37 TRANSFORMER 1000VA 240/480V N

FUJI LA-3 HEATER FAULT DETECTOR CT IN CONTACT OUT XL

DYNAMATIC 15-565-3 CONVERTER GATE DRIVER XLNT

ABB 4413400131 PERMANENT MAGNET SERVO MOTOR RFB

SQUARE D MHL360008M8002 MOLDED CASE SWITCH 800A 600V 3P

SIEMENS 6ES7-021-0ES87-0FB1/6ES7021-0ES87-0FB1/6ES70210

TB WOODS X2C1001-0B E-TRAC AC INVERTER AC DRIVE 1HP (NO

AVON TRANSFORMER 1CQ500/874065-DW TRANSFORMER 240V 12A 

UNIDEX GRIPPER 1" STROKE NNB

HOHNER 3310-2020-0010 ROTARY ENCODER NIB

THK RC23D ROBOT CYLINDER 30° 8 KG/CM2 NNB

BELDEN 8520 017 CABLE (~500FT) NIB

ALLEN BRADLEY 190S-ANZJ2-CB16C/140M-C2E-B16/100-C09Z10

RELIANCE 0-57100-J/057100J/O-57100-J MINPAK PLUS REG & 

GF SIGNET/GEORGE FISCHER P58440 GPM FLOWMETER (0-30) 

FISCHER & PORTER 686B460U01 OPERATOR INTERFACE NIB

DAYTON 2H567 DC GEARMOTOR PMDC/PSC 1/20HP/CV .58A NI

DEUBLIN COMPANY 755-713-495 ROTATING UNION XLNT

FANUC A20B-1007-0540/01A PC BOARD XLNT

APW/MCLEAN HE-3316-101H ENCLOSURE HEAT EXCHANGER 115V 5

RELIANCE 86466-47R MAXPAK S6 RECTIFIER STACKNNB

SQUARE D 9001SKY305 CONTROL STATION NIB

GE 5KE49UN8181 1.5HP 3PH AC MOTOR XLNT

ACCU-FAB AFS3655 PCA WIRING I/O CARD XLNT

DOUBLE A QP-005-C-83B1-DC DUAL PORT VALVE XLNT

BEACON CONTROLS B,06,3 PHOENIX CONNECTOR W/SWITCHES 

CAROTRON D10425-000 1.5HP 115/230V DC DRIVE NIB

DOLAN JENNER SS7-28B SAFESCAN CURTAIN TRANSMITTER XL

DOLAN JENNER SSIV-28 SAFESCAN LIGHT CURTAIN XLNT

SIEMENS 14DSD32BJ HEAVY DUTY MOTOR STARTER NIB

SIEMENS 6ES5 431-2BA11 INPUT MODULE 16POINT DIGITAL ET 

TECHNIFOR CN4-32/2 CIRCUIT BOARD XLNT

SIEMENS 3TK2-827-1BB40 24VDC SAFETY RELAY XLNT

SIEMENS 6SE6420-2UD22-2BA1 MICROMASTER 420 DRIVE XLN

ELECTROID 201-467-8100 CLUTCH/BRAKE ASSY NNB

CYLINK DATA ENCRYPTOR NRZ-L HIGHSPEED PROTOCOLNIB

GE 9F60FJD065 CURRENT LIMITING FUSE SIZE D NIB

RELIANCE 802269-58R TRANSFORMER NNB

RELIANCE 78177-1Y HEATSINK THYRISTOR RFB

BAILEY 6639051A1 OPERATOR INTERFACE W/ BOARD XLNT

SIEMENS 6ES5-951-7LB13/6ES5951-7LB13 E220-G5-3WRGD X

RELIANCE 0-58774-103AB/058774103AB/O-58774-103AB FLEXPA

ALLEN BRADLEY 1334-50386/S50386/S-50386 SENSING BOARD 

NUMATICS 12DSA5000A/12DSA5410A CONTROL VALVE NNB

KME 20C05018 MOD 01 MONITOR XLNT

HOFFMAN A-20H1606SSLP 4X4X12 METAL ENCLOSURE XLNT

COGNITRONICS 44177090/MOD688 ANA ASSEMBLY XLNT

AEG/GOULD/MODICON/SCHNEIDER AS-B571-001/B571-001 INPUT 

SAO ELECTRIC UZDC-B M02313-9 350A REACTOR XLNT

WESTINGHOUSE HMCP400K5 3 POLE CIRCUIT BREAKER XLNT

SIEMENS 6ES5-310-3AB11/6ES53-10-3AB11/6ES5310-3AB11/6ES

RELIANCE 0-54349-2G/054349-2G/O-54349-2G PC BOARD XL

ACME TRANSFORMER TA-83223 3000VA 60HZ SINGLE PHASE X

SIEMENS 6ES5-377-0AA11/6ES53-77-0AA11/6ES5377-0AA11/6ES

SIEMENS 6SE7090-0XX84-0BD1 EXPANSION/INTERFACE MODULE S

PACIFIC SCIENTIFIC PFC-01-05-02-030 FEEDBACK CABLE N

ABB/PARAJUST G00600A00 AC DRIVE 3HP 460V 3PH XLNT

ALLEN BRADLEY SP-135109 SPARE PARTS KIT SCR KIT 160A 12

RELIANCE 0-54349-2/0543492/O-54349-2 PC BOARD XLNT