用戶程序是用戶根據(jù)現(xiàn)場控制的需要，用PLC的程序語言編制的應(yīng)用程序，用以實現(xiàn)各種控制要求。用戶程序由用戶用編程器鍵入到PLC內(nèi)存。小型PLC的用戶程序比較簡單，不需要分段，而是順序編制的。大中型PLC的用戶程序很長，也比較復(fù)雜，為使用戶程序編制簡單清晰，可按功能結(jié)構(gòu)或使用目的將用戶程序劃分成各個程序模塊。按模塊結(jié)構(gòu)組成的用戶程序， 每個模塊用來解決一個確定的技術(shù)功能，能使很長的程序編制得易于理解，還使得程序的調(diào)試和修改變得很容易。
對于數(shù)控機床來說，數(shù)控機床PLC中的用戶程序由機床制造廠提供，并已固化到用戶 EPROM中，機床用戶不需進行寫入和修改，只是當(dāng)機床發(fā)生故障時，根據(jù)機床廠提供的梯形 圖和電氣原理圖，來查找故障點，進行維修。
IC697MSC701
HP / Agilent 89430A RF Module Section Options AY4 AY8
Lucent Technologi?es Fiber Optic LC + ST II Tool Kit
Agilent Fiber Optic MM SmartProbe 4 Wirescope 155 350
Allied Amphenol Products DECA-PIERC?E Tool Terminatio?n
EXFO FOMS-200x SM MM Fiber Optic Microscope FOMS200x
GN NETTEST LP-5150 MM 850/1300 Fiber Optic Light Source
EXFO FTB-7300 SM 4 FTB-100 FTB-200 FTB-300 FTB-400 OTDR
Sunrise ecom ADSL Module SSxDSL-3 SunSet MTT & xDSL
Fluke Networks Wireless Adapter OPV-WNA2 Optiview II
Applied Instrument?s Hecters Pup 6106 CATV Return Meter
Agilent HP N1610A Service Advisor Test Tablet
Noyes OFL 100-HR Singlemode 850nm SM OTDR
Ideal Wavetek FS 850 Light Source for LT8600 FiberKit
Westover HD1 HandHeld Display for Video Fiber Inspectio
Fluke Pentascann?er Microtest Super Injector Remote
Fluke Microtest 2Way Injector Plus For PentaScann?er
AGILENT 8763A Coaxial Switch NEW NEVER .
Refurbished Moore Products 15736-75 Console Datalink
NEW GE 531X307LTBAJG1 LAN I/O Terminal Board
Siemens 6ES5-340-3KB31 Simatic Memory Module
NEW Fisher Rosemount CL6828X1-A1 Smart Device Output
INDUCTOHEAT 31035-385 Transducer Module
Reliance Electric B/M-60001-1 Resolver/Drive I/O Module
Reliance Electric 57C492 Battery Backup Unit 803623-R
NEW Allen-Bradley/D?atamyte 953 Data Collection Unit
ABB SAFT 136 CTS CTU Control Board 57418028
esis TMC400/1700 Pinstamp Marking System Conroller
Bailey Controls NAMM03 Net 90 Analog Master Module
NEW Square D 52011-038-50 Main Control Board
NEW FANUC A16B-2200-0912/?05B OPT1 Board
Refurbished Moore Products 15736-75 Console Datalink
F + P Engineering 2410/15-W-V10 Servo Controller
Allen-Bradley 7300-UPK-2 CNC Control Board
Atlas Copco MACS 4240 5000 00 Spindle Controller
NEW Reliance Electric 57C492 Battery Backup 803623-R
TRICONEX 8101 Low-Density Chassis
