目前PLC制造厂家大都开发了计算机辅助PLC编程支持软件，当个人计算机安装了PLC编程支持软件后，可用作图形编程器，进行用户程序的编辑、修改，并通过个人计算机和PLC之间的通信接口实现用户程序的双向传送、监控PLC运行状态等。
PLC的电源将外部供给的交流电转换成供CPU、存储器等所需的直流电，是整个PLC的能源供给中心。PLC大都采用高质量的工作稳定性好、抗干扰能力强的开关稳压电源，许多PLC电源还可向外部提供直流24V稳压电源，用于向输入接口上的接入电气元件供电，从而简化外围配置。
Allen-Bradley 801-AMC110 Limit Switch
Amada Metrecs Power Supply Unit, PU-005,
Getty's Permanent Magnet DC Servo Motor ,
Fanuc PC Board, A16B / 01A,
Fanuc AC Spindle Drive Unit, A06B-6059-C212, , (2)
Sanyo Denki - Sanups ASE15S1 Power Supply Unit, ASE15S1U 120V, 1.5 KVA
Yokogawa F9286EA F9286EJ Amplifier Module 3 Board Assembly PCB
American Torch Tip ATTC 260A Shield
Qty OEM Lanier LD124c Black Toner Cartridge LD132c
Cat Lift Truck Forktruck Valve Lockoff
Snyder General 0008B04003 Blower Timer 8B04003 ICM H9LS24A1X120 TI206
CTC 2212 Output Module Control Technology Corporation 8 Relay Outputs
BALOGH BIET/MCMC RFID Interface Dual Channel Ethernet ETO 114632
SPECTRUM CONTROLS AE PLC PCB Circuit Board
Allen Bradley AB 1746-IG16 Input Module NO BOX
Boston Gear Reducer 700 Series, SF721B-5NS-B7 J1, Could be New. Selling as
Qty OEM Lanier LD124c Black Toner Cartridge LD132c
OEM Genuine Canon FC Cleaning Roller
Endress & Hauser PMC131-A11F1A2G Cerabar-T Pressure Transducer
Fanuc AC Servo Motor, # A06B-0513-B002-R,
Mitsubishi AC Servo Motor, # HA100CBS w/ OSE5K Encoder,
Turck BI 10-P30-AZ3X-B2131 Proximity Switch Sensor BI10-P30-AZ3X-B2131
Reliance Type S-2E Drive Module, 440V, 34A/A1, Abr. Nr. 2,
Retainer 0H Waukesha Fluid Handling
Pacific Bearing FLCN20
Rapidpak 00908 Cartridge Heater 750W, 240V 1/2" Diameter x 4" SS Free Ship
Allen Bradley 103617 REV04 Circuit Board M PCB 103572 Free Shipping!
GE CR115GW11137 Limit Switch General Electric CR115GW 11137 Free Shipping!
OEM Xerox 113R298 113R00298 Drum Unit Qty READ
Yaskawa Minertia Motor Servo Motor, J Series, # UGJMED-80MA2SF,
Fanuc I/O Circuit Board, # A16B
OEM IBM 75P4044 Cyan Toner Cartridge Infoprint 1354
Putco 400022 Chrome Door Handle Cover 05-14 WITHOUT Right Keyhole
Allen Bradley 8520-MOP7 Series 9 Mono Operator Panel, P/N
Elabo Insulation Resistance Tester, 90-4K, SIS 15, Mfg'd: 2006,
Parker EZ0ANBA Lock Out Valve
Hurco Dual Axis 2 PCB Board, Rev A,
Westlock Controls 2217-BY-H10 Valve Position Monitor Free Shipping!
Omron C200H-RT001-P Programmable Controller Remote I/O Unit C200HRT001P PLC
Parker Veriflo HFR902B-4PB-01-6-V Regulator
Excell RT Die 1 1/4" 22104K 41397
FAIRCHILD MODEL 16 Vacuum Regulator Kit EA
Lg Qty Showa Tool Shank Adapter BT50-AM US
Yaskawa Servopack Servo Controller, CACR-SR05BB1AF,
Cisco N7K-C7018-FAB-1 Switch Fabric Module #2
Yaskawa Base Driver Desig. 2PCB, # JPAC-C062,ETC FT 1- 1
Robertshaw SE 5000 845 Commercial Electric Thermostat Free Ship! Uni-Line
SMC CDG1LA50-25-H7A2SAPC Pneumatic Cylinder 25mm Stroke 50mm Bore Free Shipping!
Ross 2173B6901W Valve 24 VDC Free Shipping!
