當(dāng)備用單元上電后，如果沒檢測到首要單元，備用單元會等待30秒以便首要單元上電。如果在30秒內(nèi)首要單元沒有上電完成，備用單元會認(rèn)為首要單元不存在。在這種情況下，如果備用單元被設(shè)置成啟動模式，它就會成為沒有備份單元的激活單元來運行。

SAFTRONICS CIMR-PCU20P7 Inverter Motor Control

SIEMENS 6ES5 456-7LA11 DIGITAL OUTPUT MODULE

DELTA ELECTRONICS INC. TDPS-650CB A 650W SWITCHING POWE

A21663-042 VXI Board

Omron CS1W-BC102 10Slot Module Backplane

Allen-Bradley 1333-YAB SER B Adjustable Frequency AC Dr

Jamesbury SP25-B Pneumatic Valve Assembly 125PSI

Keyence SL-R11 Light Curtain Safety Relay Unit 24VDC

Smc SI Devicenet EX250-SDN1 Solenoid Pneumatic Manifol

Ball Systems BS186 Degauss Power Supply Exponential

2 Pratt Whitney Deflection Meter Switch

SLE Electronic Polisher

Nortel NTQA05AA03 DSC

Nortel NTQA09AA03 CSWM

Nortel NTQA06AA09 GTW

Neslab Instruments EN-350 Flowthru cooler

VWR Scientific VWR105 DC Power Supply

SEFT DA-110SH Display Analyzer RC-10

Kulicke and Soffa 6100-4330-0-21R Board

Kulicke and Soffa 2920-4318-000-3?5R Board

Kulicke and Soffa 06150-4130-000-?03 Board

Kulicke and soffa 06150-4160-000-?61R Board