中(zhong)(zhong)(zhong)央(yang)(yang)信(xin)(xin)(xin)號(hao)(hao)信(xin)(xin)(xin)號(hao)(hao)裝(zhuang)(zhuang)(zhuang)置(zhi)是監視電(dian)(dian)氣設備運行狀(zhuang)態(tai)的一(yi)種聲(sheng)光指(zhi)示智能(neng)(neng)(neng)裝(zhuang)(zhuang)(zhuang)置(zhi)，它是電(dian)(dian)氣設備安全(quan)運行的耳目。中(zhong)(zhong)(zhong)央(yang)(yang)信(xin)(xin)(xin)號(hao)(hao)裝(zhuang)(zhuang)(zhuang)置(zhi)包括事(shi)(shi)(shi)故(gu)(gu)信(xin)(xin)(xin)號(hao)(hao)和(he)預(yu)告(gao)信(xin)(xin)(xin)號(hao)(hao)，裝(zhuang)(zhuang)(zhuang)在變電(dian)(dian)所主控制室(shi)內的中(zhong)(zhong)(zhong)央(yang)(yang)信(xin)(xin)(xin)號(hao)(hao)屏上。當(dang)變電(dian)(dian)所任(ren)一(yi)配電(dian)(dian)裝(zhuang)(zhuang)(zhuang)置(zhi)的斷(duan)路器(qi)事(shi)(shi)(shi)故(gu)(gu)跳(tiao)閘時，啟動(dong)事(shi)(shi)(shi)故(gu)(gu)信(xin)(xin)(xin)號(hao)(hao);當(dang)出現(xian)不正常(chang)運行情況或操作電(dian)(dian)源故(gu)(gu)障時，啟動(dong)預(yu)告(gao)信(xin)(xin)(xin)號(hao)(hao)。事(shi)(shi)(shi)故(gu)(gu)信(xin)(xin)(xin)號(hao)(hao)和(he)預(yu)告(gao)信(xin)(xin)(xin)號(hao)(hao)都有音(yin)響(xiang)和(he)燈光兩(liang)種信(xin)(xin)(xin)號(hao)(hao)裝(zhuang)(zhuang)(zhuang)置(zhi)，音(yin)響(xiang)信(xin)(xin)(xin)號(hao)(hao)可(ke)喚(huan)起值班(ban)人員的注意，燈光信(xin)(xin)(xin)號(hao)(hao)有助于值班(ban)人員判斷(duan)故(gu)(gu)障的性質(zhi)和(he)部位。為了從音(yin)響(xiang)上區分事(shi)(shi)(shi)故(gu)(gu)性質(zhi)，事(shi)(shi)(shi)故(gu)(gu)信(xin)(xin)(xin)號(hao)(hao)可(ke)采用蜂鳴器(qi)、預(yu)告(gao)信(xin)(xin)(xin)號(hao)(hao)可(ke)采用電(dian)(dian)鈴發出音(yin)響(xiang)等以示區別。? ? ? ?中(zhong)(zhong)(zhong)央(yang)(yang)信(xin)(xin)(xin)號(hao)(hao)裝(zhuang)(zhuang)(zhuang)置(zhi)，可(ke)對多達256路信(xin)(xin)(xin)號(hao)(hao)集中(zhong)(zhong)(zhong)報警，外觀簡潔(jie)，條理清晰，抗(kang)干擾能(neng)(neng)(neng)力(li)強，自成(cheng)系統(tong)，并具備信(xin)(xin)(xin)號(hao)(hao)開出及RS485遠程通訊功能(neng)(neng)(neng)。