單項(xiàng)選擇題()的作用是將探頭4~20mA信號(hào)變成SPR信號(hào)送到火災(zāi)盤內(nèi)LCU的GATeWAY,通常用來配接可燃?xì)馓筋^和H2S探頭

A、通信單元
B、IDC
C、通信模塊
D、DCU


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1.單項(xiàng)選擇題IDC的地址可通過其上的()設(shè)置

A、軟件
B、SET按鈕
C、八位DIP開關(guān)
D、鑰匙開關(guān)

3.單項(xiàng)選擇題當(dāng)中央控制室手動(dòng)報(bào)警站MFS-1301被拉下時(shí),相應(yīng)的報(bào)警描述為()

A、CCR STATE LIGHT HAZARDALARM SIREM、PRE-RELEASE BUZZER AND LIGHT、RELEASE TO CO2 PANEL CONTROL RM和ESD 2-2 TO CCP
B、CCR STATE LIGHT HAZARDALARM SIREM、PRE-RELEASE BUZZER AND LIGHT、RELEASE TO CO2 PANEL CABINETS RM和ESD 2-2 TO CCP
C、CCR STATE LIGHT HAZARDALARM SIREM、PRE-RELEASE BUZZER AND LIGHT、RELEASE TO CO2 PANEL UPS RM和ESD 2-2 TO CCP
D、CCR STATE LIGHT HAZARDALARM SIREM、PA HAZARD和ESD 3-A TO CCP