描述
模块式的PLC是按功能分成若干模块，如CPU模块、输入模块、输出模块、电源模块等等。大型机的模块功能更单一一些，因而模块的种类也相对多些。这也可说是趋势。目前一些中型机，其模块的功能也趋于单一，种类也在增乡。如同样OMRON公司C20系列PLC，H机的CPU单元就含有电源，而Ha机则把电源分出，有单独的电源模块。
SPOOL WINDING MACHINE
137 GRINNELL FIG 772 RIGID FIRE COUPLING 1.25”
STEEL MELTING POT MINING SMELTER
29 Boxes Uline S-6318 Poly Bags 24 x 24″ 1 Mil
HP 423A Coaxial Crystal Detector
TEKTRONIX TDS340A 2 CH DIGITAL REAL-TIME OSCILLOSCOPE
Coherent CR-12 HD CR-18 Supergraphite Ion Laser
AMERICAN INDUSTRIAL TRANSFER UCS-614 HEAT EXCHANGERS
CONTROL TECHNIQUES 2400 ADJUSTABLE VOLTAGE DC DRIVE
KRAS PUNCH PRESS
YUSHIN AN-3500 CONTROL PANEL
UNITORQ M103K4 ACCORD1000 VALVE POSITIONER CONTROL
INGERSOLL-RAND 9639A60G01 IR COMPRESSOR CONTROL
FAIRCHILD SEMICONDUCTOR TFXPD 6000 PNEUMATIC TRANSDUCER
INSUL 8 DQC33B-7 POWEREEL
