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PLC产品种类繁多，其规格和性能也各不相同。对PLC的分类，通常根据其结构形式的不同、功能的差异和I/O点数的多少等进行大致分类。整体式PLC  整体式PLC是将电源、CPU、I/O接口等部件都集中装在一个机箱内， 具有结构紧凑、体积小、价格低的特点。小型PLC一般采用这种整体式结构。整体式PLC由不同I/O点数的基本单元（又称主机）和扩展单元组成。基本单元内有CPU、I/O接口、与I/O扩展单元相连的扩展口，以及与编程器或EPROM写入器相连的接口等。扩展单元内只有I/O和电源等，没有CPU。基本单元和扩展单元之间一般用扁平电缆连接。整体式PLC一般还可配备特殊功能单元，如模拟量单元、位置控制单元等，使其功能得以扩展。
MITSUBISHI PROGRAMMABLE CONTROLLER FX2NC-64MT-D/UL
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YASKAWA SERVO MOTOR USADED-40-YR15
SIEMENS SERVO MOTOR 1FK7032-5AK71-1UG0
ALLEN BRADLEY CONSTANT TORQUE AC DRIVE 1336-C050-EOG, 1336-C050-E0G
SIEMENS SITOP POWER SUPPLY 6EP1931-2FC01
SIEMENS SINUMERIK MODULE 6FC5111-0CA02-0AA2
CONTROL TECHNIQUES BRUSHLESS AC SERVO MOTOR 75EZ8300CACAA
EMERSON SERVO DRIVE DXA-450
SCHNEIDER ELECTRIC PRIMARY SUBRACK AS-HDTA-200
REFU DRIVE RD514B055L-1
FANUC SERVOMOTOR A06B-0116-B804
SIEMENS S7-200 I/O MODULE 6ES7 223-1BL22-0XA0
BOSCH INPUT MODULE
SIEMENS SERVO MOTOR 1FT6062-1AH71-3EH1
INDRAMAT POWER SUPPLY TVD1.
SIEMENS SERVO MOTOR 1FK7103-5AF71-1EA5
EMERSON SERVO MOTOR DXE-490W
MAGNETIC DC MOTOR BR 60 L 28/17
INDRAMAT SERVOMOTOR MHD090B-035-PP1-UN
CONE DRIVE GEARBOX MVUS40A020-B1
BOSCH REXROTH SERVO AMPLIFIER LTE 45
TOSHIBA POWER MODULE (IGBT) MG50G6EL1
NEW LISTING IXYS SEMICONDUCTER MODULE MUBW50-12A8
ALLEN BRADLEY 1785-L20B PROCESSOR MODULE SER B/C/D
INDRAMAT 3 PHASE PERMANENT MOTOR MKE098B-047-KP1-BUNN
SIEMENS SERVO MOTOR 1FK7101-5AF71-1TH3
BALDOR SERVO DRIVE BSC1110
INDRAMAT PERMANENT MAGNET MOTOR MDD090C-N-040-N2L-110PB0
DC TACHOMETER
INDRAMAT PERMANENT MAGNET MOTOR MDD112D-N-020-N2M-130PA2
ALLEN BRADLEY SERVO MOTOR 1326AB-A3E-11
FANUC CONTROLLER CARD (FROM OPERATOR PANEL MDI/CRT UNIT) A20B
YASKAWA AC SERVOMOTOR USAFED-13FS2
ALLEN BRADLEY DRIVE 1336S-BX060-AN-EN6
INDRAMAT DRIVE DDS02.2-W100-B