描述
为了系统安全运行,闭环控制器一定是冗余运行的,一用一备,并且是热备。为了使冗余成功,应注意以下几点:两个控制器的硬件、软件版本必需一致;检查发送-接收的芯片是否完好;冗余的芯片是否完好。两个模件的设定是否一样、还要检查有没有带手操站等。
GE 700 Complete Dental X-ray System Intraoral 2-Systems
GE Medical Systems X-Ray, Mamo Camera Printer, 5130/240
DENTAL PORTABLE MOBILE X-RAY MACHINE SYSTEM w/DIGITAL B
DENTAL PORTABLE MOBILE X-RAY MACHINE SYSTEM w/DIGITAL B
DENTAL PORTABLE MOBILE X-RAY MACHINE SYSTEM w/DIGITAL B
DENTAL PORTABLE MOBILE X-RAY MACHINE SYSTEM w/DIGITAL B
AMD Athlon II X2 Desktop PC System w/BLUE RAY!