M7-400 Expansions
12-20
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Example of Power Loss Calculation
The following table contains a calculation example for the total power losses for an
AT adapter module with an AT module.
Table 12-6 Calculation Example for Total Power Losses of an ATM 478 with AT Module
Remark
Voltage
Current
Consumption
Power Losses
+ 5 V
0.8 A
4 W
Power losses of the AT module
+ 12 V
0.1 A
1.2 W
Power losses of the AT module
- 12 V
0.05 A
0.6 W
- 5 V
–
–
Power losses of the internal power supply
of the
ATM 478 for supplying the AT module
(P
+12V
+ P
-12V
+ P
-5V
) x 0.3
(1.2 + 0.6 + 0) x 0.3 W
0.54 W
Power losses of the ATM 478 AT adapter module
0.6 W
Total power losses of the ATM 478 adapter module with AT module
6.94 W
In this example, the power losses are 6.94 W. The ATM 478 AT adapter module
can be operated without forced ventilation.
Содержание Simatic M7-400
Страница 10: ...Preface x S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
Страница 122: ...Power Supply Modules 3 42 S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
Страница 362: ...Analog Modules 5 146 S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
Страница 384: ...Interface Modules 6 22 S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
Страница 428: ...RS 485 Repeater 10 8 S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
Страница 496: ...M7 400 Expansions 12 26 S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
Страница 562: ...Interface Submodules 13 66 S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
Страница 574: ...Parameter Sets for Signal Modules A 12 S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
Страница 594: ...Diagnostic Data of the Signal Modules B 20 S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
Страница 598: ...Spare Parts and Accessories C 4 S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
Страница 606: ......