Description
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。
QUADRUPOL ELECTRONIC SPAN LR300 – REFURBISHED
SET OF 5 VAGO TERMINAL UNITS 750530 – REFURBISHED
SET OF 7 VAGO TERMINAL UNITS 750430 – WARRANTED
VAGO TERMINAL UNIT 750842 – TESTED
FINCOR DC MOTOR – PN 9303309TN – REFURBISHED
MECA2000 ZEOLITE FILTER WITH CHARGE – REFURBISHED