Appendix B Power Consumption
Current Consumption and Power Dissipation
3BSE 027 941 R301
203
Maximum current of the +24V supplied to the CPU (incl. ModuleBus and CEX-
bus) is shown in
Due to transfer or conversion losses in the CPU when full current supply to
ModuleBus and CEX-bus is utilized, the CPU power dissipation increases by 5W in
addition to the values given in
Table 65. CPU Current Supply to CEX-bus and ModuleBus
Bus
+5 V
+24 V
ModuleBus
max. 1.5 A
(1)
(1) Corresponds to additional 0.5 A on +24 V.
max. 1.0 A
CEX-bus
Not Applicable
max. 2.4 A
Table 66. Maximum Current Supply to CPU incl. ModuleBus and CEX-bus (24 V)
CPU
Maximum Supply Current
PM856
4.2 A
PM860
4.2 A
PM861 (single)
4.3 A
PM861 (redundant pair)
3.3 A (no ModuleBus)
PM864 (single)
4.4 A
PM864 (redundant pair)
3.4 A (no ModuleBus)
Summary of Contents for AC 800M
Page 1: ...ControlIT AC 800M Version 2 1 Controller Hardware Hardware and Operation...
Page 2: ......
Page 3: ...Controller Hardware Hardware and Operation ControlIT AC 800M Version 2 1...
Page 10: ...7DEOH RI RQWHQWV 10 3BSE 027 941 R301...
Page 20: ...Related Documentation About This Book 20 3BSE 027 941 R301...
Page 26: ...Operating Environment Safety Summary 26 3BSE 027 941 R301...
Page 42: ...Product Release History Section 1 Introduction 42 3BSE 027 941 R301...
Page 108: ...Powering from an External 24 V DC Source Section 3 Configuration 108 3BSE 027 941 R301...
Page 118: ...Verification of Redundant CPU Section 4 Operation 118 3BSE 027 941 R301...
Page 212: ...Low Voltage Directive LVD Appendix D Directive Considerations 212 3BSE 027 941 R301...
Page 214: ...Hazardous Location Approval Appendix E Standards 214 3BSE 027 941 R301...
Page 228: ...QGH 228 3BSE 027 941 R301...
Page 229: ......