近年来PLC技术发展很快，每年都推出不少新产品。据不完全统计，美国、日本、德国等生产PLC的厂家已达150多家，产品有数百种。PLC的功能也在不断增长，主要表现在：
1）控制规模不断扩大，单台PLC可控制成千乃至上万个点，多台PLC进行同位链接可控制数万个点。
2）指令系统功能增强，能进行逻辑运算、计时、计数、算术运算、PID运算、数制转换、ASCⅡ码处理。*PLC还能处理中断、调用子程序等。使得PLC能够实现逻辑控制、模拟量控制、数值控制和其他过程监控，以至在某些方面可以取代小型计算机控制。
BALAX 0836-99KM, HAND TAP, M14 X 2.0, 4 FLUTE, 3 5/8" O
TELEMECANIQUE RM3 JA112FG7 TIMER RELAY NIB
VICKERS DGMX2-3-PP-AW-S-40 PRESSURE REDUCING VALVE
TURCK BI40-CP80-VP4X2/S10 10-65 VDC PROXIMITY INDUCTIVE
CAROL 76822.18.06, WIRE, 12 AWG, 600 V, GREEN
CUTLER HAMMER E50KL443, ADJUSTABLE ROLLER, 1 5/8 TO 3 3
PARKER XLT06-01-ET-B 100 PSI THRUSTER SLIDE, SEALED
NORGREN VP40 3-WAY PROPORTIONAL PRESSURE CONTROL VALVE,
ACTION 4151-1127 TRANSMITTER, NIB
SAMES ELECTROSTATIC INC. GN3002 TYPE 3AG2A POWER SUPPLY
TIMONTA 3-PHASE, 440VAC, 50A, 50/60HZ LINE FILTER FMAC-
TURCK BI40-CP80-VP4X2 10-65 VDC PROXIMITY SENSOR, S
EPSON V13H010L42 PROJECTOR LAMP, NIB
ALLEN BRADLEY 1336-L-SP2C REAL PARTS, NIB, SEALED
PANDUIT HSTT25-C, BLACK HEAT SHRINK TUBING, 1/4" W, 100
PRX KD221K05, TRANSISTOR MODULE, 50 AMPS, 1000 VOLTS, N
NSK, GN 3028, GAUGE, 289 MM DIAMETER, NIB
PARKER D1VW30 DVJCF56 75 DIRECTIONAL CONTROL VALVE, 500
NICHOLSON 50-204 14" BODIFILE, LOT OF 7,
NSK L1H350420Z 16" LINEAR GUIDE RAIL, NIB
MUBEA HANDHELD PNEUMATIC CRIMPING TOOL
ALLEN BRADLEY FLEX I/O 24VDC SINK INPUT MODULE 1794-IB8
MODICON 24V DC OUTPUT 2X8 SOURCE MODULE 170 BDO 346 00
FANUC ROBOTICS PCB DAUGHTER BOARD A20B-2902-0236/02A
ALLEN BRADLEY SIZE 5 270A 2-POLE 120V COIL WELDING CONT
AEROSPACE CONTROL PRODUCT CME 50A-3-.3LAID AIR GAUGE, N
MODICON TSX QUANTUM RELAY OUTPUT MODULE 16X1
IFM EFECTOR 500 PN5002 PRESSURE SENSOR, NIB
BUSSMANN 250A 700V SEMI CONDUCTOR FUSE FWP-250A *LOT OF
BOSCH 3-842-503-060 GEAR SPEED REDUCER, 1:15 RATIO, 7 N
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