當(dāng)備份CPU檢測到激活CPU發(fā)生錯(cuò)誤(接收到另一個(gè)CPU發(fā)來的消息，檢測到所有的冗余連接失敗，或者檢測到激活的CPU在錯(cuò)誤等待時(shí)間內(nèi)沒達(dá)到下一一個(gè)同步點(diǎn)),它會(huì)變成一個(gè)無備份單元的激活單元。如果倆個(gè)CPU因?yàn)槠渌?例如錯(cuò)誤等待時(shí)間設(shè)置過短或者倆個(gè)冗余連接都失敗)失去同步，倆個(gè)單元都報(bào)告—個(gè)錯(cuò)誤并且各自按照無同步的激活單元運(yùn)行。

Armstrong H-52-1 BF 117139-061 Cast Iron In-Line Circul

Allen-Bradley 1747-L543 SER B PROC REV 3 SLC 500 Proces

Allen-Bradley 1747-L542 SER B PROC REV 3 SLC 500 Proces

Allen-Bradley 1747-L541 SER B PROC REV 3 SLC 500 Proces

EFOS LITE E3000 UV Light Spot Curing System 100-240VAC

Parker MPM893BSG6JN1N REV E B/SINE/230/ENG/?D2/CONN 230V

Circon UHC-202 SER A REV 1.1 Terminal Unit VAV Control

Robicon 468722.03 Control Interface Panel

ABB OETL-NF800A General Purpose Switch 600V 800A 3PH

Polyspede PRD8-200 Adjustable Speed Drive System 230VAC

Polyspede PRD2-200 Adjustable Speed Drive System 230VAC

Robicon 463963 Processor Board

Allen-Bradley 1772-LW D MINI-PLC-2/17 Processor 1.25A@5

Stulz Stulz Air Conditioners

Leeson CM34D22OB1D Direct Current Permanent Magnet Moto

Fusion UV Systems K250 F450T Modular Blower 3PH 380/480

Boston Gear V97500-B 56C 5328D DC Motor 3/4HP 90/100/50

Pacific Scientific 105-093001-01 REV C PC Board

MULTIVAC 86.850.0200.01 Module

MULTIVAC 86.850.0600.03 Circuit Board

MULTIVAC 85.850.1100.01 Module