Agilent Technologies DP111 Spécifications Page 409

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Appendix B Power Consumption Current Consumption and Power Dissipation
3BSE036351-510 A 409
Calculations
1. Calculate the current requirements for each bus (ModuleBus and CEX-Bus).
Be sure not to exceed the limits given in
Table 132 on page 407. Data relating
to TB820, TB840, CI801 and CI840 is accessible from the S800 I/O
documentation.
2. Calculate the current consumption at 24 V, for each electrical ModuleBus, by
adding:
I
m
= I
(24 V)
+ I
(5 V)
x 0.3
3. To calculate the requirement for a specific power supply unit, total the results
of the 24V current consumption calculations, as follows:
I
tot
= I
m1
+ I
m2
+ .... + I
units Table 131
+ I
CI801s
+ I
CI840s
+ I
TB820s
+ I
TB840s
If redundant CPUs are used, current for both CPUs must be included.
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