描述
对于小的系统，如80点以内的系统．一般不需要扩展；当系统较大时，就要扩展。不同公司的产品，对系统总点数及扩展模块的数量都有限制，当扩展仍不能满足要求时，可采用网络结构；同时，有些厂家产品的个别指令不支持扩展模块，因此，在进行软件编制时要注意
6000 Recessed Light Downlight 20W 20V white spot lamp
Spectra Physics Quanta-Ray DCR-3 YAG Laser System
20 Full Sections of Pallet Racking 8ft X 18ft
Jones Superior Machine No 52 Bandsaw 26”
AMETEK 4000 PHOTOMETRIC ANALYZER
HARNISCHFEGER P&H 105BE200ASC1 MAGNETIC BRAKE
GORDON-PIATT S12.1-G-50 NATURAL GAS BURNER
GORDON-PIATT S12.1-G-50 NATURAL GAS BURNER
Universal 4836PDH-DC200 Media Blast Machine
Oerlikon Leybold D65B 2 Stage Rotary Vane Vacuum Pump
Champion HRA25-12 Compressor 25HP 120 Gallon
Leybold Trivac D65B 2 Stage Rotary Vane Vacuum Pump
