DS3800NOAA1F1D GE 通用电气

较初，PLC主要用于开关量的逻辑控制。随着PLC技术的进步，它的应用领域不断扩大。

如今，PLC不仅用于开关量控制，还用于模拟量及数字量的控制，可采集与存储数据，还可对控制系统进行监控；还可联网、通讯，实现大范围、跨地域的控制与管理。PLC已日益成为工业控制装置家族中一个重要的角色。。

欲知垂尽岁，有似赴壑蛇。
修鳞半已没，去意谁能遮。
况欲系其尾，虽勤知奈何。
儿童强不睡，相守夜欢哗。
晨鸡且勿唱，更鼓畏添挝。
坐久灯烬落，起看北斗斜。
明年岂无年，心事恐蹉跎。
努力尽今夕，少年犹可夸。

SIEMENS 505-4908 SIMATIC 505 RELAY OUTPUT BOARD 20-250V-AC 24V-DC D588631

AEG TT251N-12-679171-02 THYRISTOR POWERBLOCK D585527

DURAKOOL G10Z-137 TILT AND POSITION SWITCH D592040

AGASTAT 7022AB TIMING RELAY 0.5-5SEC 120V-AC D593135

047-5507-001 CONTROL MODULE ASSEMBLY REV X D592527

UE UNITED ELECTRIC E105-2BSB TEMPERATURE SWITCH 30-250F 480V-AC 15A D594729

BACHARACH GAS DETECTOR FOUR CHANNEL MONITOR D595094

ALLEN BRADLEY 1606-XLE120E 120/240V-AC 120W 24-28V-DC SER A POWER SUPPLY D594685

ABB RK 927 006-AB RHGX8 RELAY MOUNTING HARDWARE D595120

MERCOID DAW-433-4132-2 PRESSURE CONTROL SWITCH 30-0IN H9VAC 120/240V-AC D595329

ALLEN BRADLEY 1794-OE4 FLEX I/O ANALOG OUTPUT MODULE REV C01 SER B D595530

HONEYWELL C437F 1003 GAS PRESSURE SWITCH D595476

SJE-RHOMBUS 1001932 15JSU2WP JUNIOR SUPER SINGLE PUMP SWITCH 15FT D595911

TELEMECANIQUE XAC-A 2 BUTTON PENDANT CONTROL STATION 500V-AC D596487

PFISTER 895.500.0959B 891.853.00 RELAY PCB CIRCUIT BOARD D537376

PHOENIX CONTACT MINI-PS-100-240AC/24DC/1.3 24V-AC POWER SUPPLY D588852

NEMIC LAMBDA HR-10F-12 REGULATOR 90-132V-AC 60W 12V-DC POWER SUPPLY D590771

BETTIS C1397A PCB CIRCUIT BOARD D553520

ABB 3BUR001455R1 S800 I/O DO814 DIGITAL OUTPUT MODULE D531825

FEAS PSU75024 115/230V-AC 24V-DC 800VA 25A AMP POWER SUPPLY D550310

EAGLE SIGNAL BR11A601 RESET TIMER 120V-AC D551847

MSD 219XDXPL 120V-AC 10A AMP RELAY D545644

STRUTHERS-DUNN 219XDXPL 120V-AC 10A AMP RELAY D545647

01151-0376-0002 1151-377-1 CALIBRATION PCB CIRCUIT BOARD D545526

RELIANCE 45C166A AUTOMATE DUAL CONTACT OUTPUT MODULE D555925

HEWLETT PACKARD HP RB350UTABA XW4400 WORKSTATION COMPUTER TOWER D550600

NORTEL NTAK09DA 1.5MB DTI/PRI PCB CIRCUIT BOARD D523742

CONVERTER CONCEPTS 1047-771 CONVERTER 20-60V-DC 5V-DC 20A AMP D523849

NUMATICS 239-1514 239-1384 PNEUMATIC MANIFOLD CONTROL MODULE ASSEMBLY D539313

CIRCUIT-TEST PS-3030D 0-30V-DC 0-3A AMP POWER SUPPLY D531053

AMETEK 80-214024-90 SOLIDSTATE CONTROLS PCB CIRCUIT BOARD D553175

NAMCO EA170-51100 SNAP-LOCK LIMIT SWITCH 125/250/480/600V-AC D553207

TYCO 7022AC 1423162-5 AGASTAT 1.5-15 SEC TIMING RELAY 120V-AC D559390

LONGFORD M1001-8 PCB CONTROL BOARD D587321

HONEYWELL LSA2B MICROSWITCH 600V-AC 10A AMP LIMIT SWITCH D592562

BENTLY NEVADA 90038-01 F 9000 EXTENDER CARD D593765

POWER-ONE HE12-10.2-A INTERNATIONAL POWER SUPPLY 120/240V-AC 12V-DC D594926

ALLEN BRADLEY 104201 M0011376 116184 POTENTIOMETER ASSEMBLY BOARD D557228

BENTLY NEVADA 146031-01 3500/22M TRANSIENT DATA INTERFACE I/O MODULE D565034

ACOPIAN A24H850M 24V-DC 8.5A AMP POWER SUPPLY D570158

ALLEN BRADLEY 440R-N23134 MSR127RP GUARDMASTER SAFETY RELAY SER B D581113

ALLEN BRADLEY 800H-PRM16A AMBER PUSH/PULL BUTTON SER F 120V D577583

SQUARE D 8501 HO-60 H0-60 CONTROL RELAY 120V-AC SER D D584262

SCHNEIDER 140 CFH 008 00 MODICON CABLEFAST TERMINAL BLOCK D575120

MERLIN GERIN 6739902 6739106XD-2 B1 BAIZ CIRCUIT BOARD D582332

MERLIN GERIN 6739109 6739108XD-2C TREZ CIRCUIT BOARD D582334

BARKSDALE MT1H-H252 TEMPERATURE SWITCH 480V-AC 3A AMP D583707

BAILEY 6627090B2 6627088D1 TIME DELAY RELAY PCB CIRCUIT BOARD D591779