6ES7331-7KB01-0AB0
6SE2103-3AA21
为了完成控制策略，为了替代继电器，使用户等完成类似继电器线路的控制系统梯形图，而编制了一套控制算法功能块(或子程序)，称为指令系统，固化在存贮器ROM中，用户在编制应用程序时可以调用。指令系统大致可以分为两类，即基本指令和扩展指令。细分一般PLC的指令系统有:基本指令、定时器/计数器指令、移位指令、传送指令、比较指令、转换指令、BCD运算指令、二进制运算指令、增量/减量指令、逻辑运算指令、特殊运算指令等，这些指令多是类似汇编语言。另外PLC还提高了充足的计时器、计数器、内部继电器、寄存器及存贮区等内部资源，为编程带来极大方便。
SIEMENS CTI 2530 FORMC CONTACT OUTPUT
HEUFT HBE010190ST CPU CARD
YORK CONTROL BOARD
Siemens Simatic S5 6ES5 441-7LA11
SIMPSON 3344AIXA DUAL SET POINT CONTROLLER 0-140 PERCENT
Siemens Simatic S7 6ES7 322-1BH01-0AA0
Siemens 6FX2002-5CA01-1AF0
Siemens K2061 D12 A01
PARKER H15WXLB553000CA SOLENOID VALVE
ALLEN BRADLEY 5130-MRM1 RESOURCE MANAGER DAUGHTER BOARD 5130MRM1
Siemens Simatic S5 6ES5 458-4UC11
Siemens Simatic S5 6ES5 340-3KB41
Siemens Simatic S7 6ES7 212-1BB22-0XB0
SIEMENS 6GKCB10 INTERFACE MODULE 6GK15023CB10
LITTELFUSE IDSR-250 FUSE LOT NEW IDSR250
Siemens 3RH1921-1EA11
Siemens Simatic S7 6ES7 972-4AA02-0XA0
ENCODER PRODUCTS 711*-0 ACCU-CODER NEW S6SSY
Siemens 3RT1025-1BB40 CONTACTOR 15HP 600V COIL 24 VDC 3ZX1012-0RT0-1AA1
SMC MGQM63-M CYLINDER GUIDE MGQM63M654385
Siemens Simatic S7 6ES7 322-1HH00-0AA0
ANDERSON INSTRUMENTS 56000-A41 DISPLAY BOARD 56000A41
Siemens Drives 6ES5 300-5CA11
MAGNETEK GPD205-B0P5 AC DRIVE NIB GPD205B0P5
THERMO MEASURETECH FG0GST0040N00S
LITTELFUSE IDSR-250 FUSE LOT NEW IDSR250
GENERAL ELECTRIC DS3800NDAC1E1E BOARD
HONEYWELL LOOP PROCESSOR MODULE NIB
OPCON 880C-6501 WITH EATON 1280B-6501
Siemens Simatic S5 6ES5 928-3UB12
MOORE PRODUCTS BHA COLOR COMPUTER CARD
NUMATICS 082RS425U016W00 PRESSURE REGULATOR NEW
Siemens Servo Motor 1FT5046-0AF71-1-Z G45
DELTROL RELAY
Siemens K2071 D35 A01
FESTO D2HPPV-A CYLINDER D2H25200PPVA
Siemens Simatic S5 6ES5 420-3BA11
TRIANGLE PACKAGE MACHINERY 90WB8017AG BATTERY BACKUP BOARD
Siemens 3NA3802 2A
ALLEN BRADLEY 800T-H3309A NEW 800TH3309A
Siemens Simatic S7 6ES7 131-4BD01-0AA0
CARRIER QR GASKET QR
Siemens 6FX1121-8CA00