例外的情況是激活單元在輸入掃描時檢測到了–個致命故障。在這種情況下，倆個單元在執(zhí)行輸入數據交換之前就切換角色。如果CPU是非控制的關斷，CPU在可能的情況下會記錄一一個故障，并試圖像上述描述的那樣動作。

GE Fanuc IC600CB524M Arithmetic Control Module

Schlumberger 7776006601 Rev. 01 16 Panel Main Frame

Kulicke and Soffa 00860-4000-000-?00 PRS Board

Kulicke and Soffa 860-1001-000-01 Board

Kulicke and Soffa 02010-4001-000-?01 Circuit Board

Nortel NTQA04AA PCMI-T1 Card

DIGITAL SWITCH 400-0028-900 Voltage Monitor Power Suppl

LAMBDA / QUALIDYNE 6010B-5B-003 Voltage Monitor Power S

Adept 90400-81031 EXC Controller

CHEROKEE INTERNATIONAL SP249-1A Voltage Monitor Power S

Yaskawa CPT010015 Transformer 50/60HZ 750VA

PCI Technologies BWH-9060-R Brick Wall Filters

Itech BC3506QP-5 Station Analyzer Base 4

Itech BC3506QP-5 Station Analyzer Base 5

SCANRAY TORREX 150D X-Ray Inspection System Control Pan

Electrovac IGC17 IGC 17F ION GAUGE CONTROLLER

PARKER S8-DRIVE Compumotor

Reliance Electric 14C109 Flex Pak Plus 5 HP

Varian 921-0062 Ion Pump Control Unit

Selema IPS Formula 08 F1 IPS3 1836 Motor Drives

Selema IPS Formula 08 F1 IPS2 10/20 Motor Drives

Fiberweb S0037-200 RM Filt 43″ Nonwoven Polyester RE-23