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Power Supply Supervision
Section 2 Installation
82
3BSE 027 941 R301
Power Supply Supervision
The status of power supplies in redundant configuration can be supervised via the
SS822 voting unit. The supervision signals SA and SB from the SS822 are
connected to the corresponding terminals of the CPU.
Figure 20. Redundant Power Supply Powering Redundant CPUs
OK F OK
A+B+L+
SS822
F
+
+
A
B
L+ L–
L+ L+ L– L–
N L PE
OK
SD821
L+ L+ L– L–
N L PE
OK
SD821
PM861
L+
L–
SA
SB
PM861
L+
L–
SA
SB
Protective Ground
From Mains
Breaker
Содержание AC 800M
Страница 1: ...ControlIT AC 800M Version 2 1 Controller Hardware Hardware and Operation...
Страница 2: ......
Страница 3: ...Controller Hardware Hardware and Operation ControlIT AC 800M Version 2 1...
Страница 10: ...7DEOH RI RQWHQWV 10 3BSE 027 941 R301...
Страница 20: ...Related Documentation About This Book 20 3BSE 027 941 R301...
Страница 26: ...Operating Environment Safety Summary 26 3BSE 027 941 R301...
Страница 42: ...Product Release History Section 1 Introduction 42 3BSE 027 941 R301...
Страница 108: ...Powering from an External 24 V DC Source Section 3 Configuration 108 3BSE 027 941 R301...
Страница 118: ...Verification of Redundant CPU Section 4 Operation 118 3BSE 027 941 R301...
Страница 212: ...Low Voltage Directive LVD Appendix D Directive Considerations 212 3BSE 027 941 R301...
Страница 214: ...Hazardous Location Approval Appendix E Standards 214 3BSE 027 941 R301...
Страница 228: ...QGH 228 3BSE 027 941 R301...
Страница 229: ......