Users Guide

For example, you view power details in the 1H (1 hour) window and the maximum value at 15:00 shows

500W and the time interval is 6 minutes. This value would represent that the maximum power

consumption from 14:54 to 15:00 is 500W.

NOTE: It is common to see some instantaneous values exceed the Power Cap value in the

Maximum line. Power Center monitors this value and controls it to the normal power range with

this happens. You only need to pay attention when the Average power value exceeds the Power

Cap value.

NOTE: You can set the time interval (the period from a time point to the next time point) in the

Settings page. For information on configuring the interval, see Monitoring Settings.

Power details for racks

For racks, you can click Devices → Managed Group → Details to display PDU power consumption for all

rack PDUs.

You can also click Devices → Managed Group → Policies to change a power policy.

You can view the following power details of PDU devices. For more information on supported PDU

devices, see System Requirements.

• PDU device information, including PDU name, model, and IP address.

• PDU outlet information, including outlet number, power (W), voltage (V), amps (A), and the time of the

information recorded, following the format <YYYY-MM-DD HH:MM:SS>. The table lists the

information for each outlet and the total power consumption for all outlets.

Viewing Energy Consumption

Details of each device and device group power consumption are available in the power history graph.

• IT Equipment Energy — The total energy consumption and cost for all managed devices in the

selected device or device group.

NOTE: Power Center can read the power consumption of a device when it as at S0 (On) state. For

devices in S4/S5 state, Power Center uses a fixed value (30W) to calculate the power consumption.

• Cooling Energy — The estimated energy consumption and cost needed to cool the selected device/

group.

Cooling Energy = IT Equipment Energy * Cooling Multiplier

You can configure the cooling multiplier on the Settings → Monitoring screen, in the Energy

Consumption Cost section.

• Energy Consumed (Total) — The combined energy consumption and costs for the IT equipment and

cooling energy. The formula is:

Cost = (IT Equipment Energy T1*Cooling Multiplier) *Flat Rate T1+(IT Equipment Energy T2*Cooling

Multiplier) *Flat Rate T2+°¦+(IT Equipment Energy Tn*Cooling Multiplier) *Flat Rate Tn

NOTE: T1/T2/.../Tn is the time period (in hours) at a certain flat rate.