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Table of Contents:
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Introduction
Eaton PDUs are used throughout KPF, with one (or more) located at various locations throughout the system. They are controlled in software via the kpfpower KTL service.
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Relevant Devices
Description | Qty | Source | Part Number |
|---|---|---|---|
8-outlet Power Distribution Unit | 1112 | Eaton | EMAT08-10 |
16-outlet Power Distribution Unit | 1 | Eaton | EMAU05-10 |
Relevant Functional Block Diagram
Software Actions
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Action
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Notes
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Turn on / off outlet
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Core functionality, but can be controlled outside of the service via the administrator webpage
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Register outlet state
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If another method is used to turn on / off a outlet, the software needs to register that state
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Lock outlet
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There is the capability to lock an outlet so that it cannot be turned off.
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Log power draw from outlet
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Power draw from an outlet in units of Watts.
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Turn on / off all outlets
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The ability to monitor, turn on, and turn off all outlets at once.
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Remember outlet state across PDU being turned on/off
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If the PDU is turned off and then on, the ability to have outlet states preset
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Log SNMP connection status
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Whether or not the communication to the SNMP is available.
Required Adjustable Settings
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Setting
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When Needed
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Notes
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Build
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Observing
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Maintenance
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PDU IP Address
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Yes
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No
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Maybe
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Outlet Status Update Rate
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Yes
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No
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Maybe
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Outlet Lock Status Update Rate
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Yes
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No
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Maybe
Required Telemetry
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Parameter
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Report Frequency
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Purpose
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Notes
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Outlet Status Change
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1 / 5 sec
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The frequency at which the outlet status is read.
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Currently hardcoded to be 5 seconds. The web interface could change the outlet and it would take up to 5 seconds for that change to register.
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Outlet Lock Status
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1 / 5 sec
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The frequency at which the outlet lock status is read.
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Power draw
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1 / 5 sec
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The frequency at which the outlet power rate is read.
Required Alarms
Parameter
Threshold
Notes
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Relevant Datasheets & Manuals
Description | File | Source | |||||
|---|---|---|---|---|---|---|---|
| 1 | Configure module quick start guide |
| https://www.eaton.com/us/en-us/skuPage.EMAT08-10.resources.html | ||||
| 2 | Operations Manual |
| https://www.eaton.com/us/en-us/skuPage.EMAT08-10.resources.html | ||||
| 3 | Instruction Set Systems Object Manual |
| https://www.eaton.com/us/en-us/skuPage.EMAT08-10.resources.html | ||||
| 4 | Technical Drawing |
| https://www.eaton.com/us/en-us/skuPage.EMAT08-10.resources.html | ||||
| 5 | Visio Stencil |
| https://www.eaton.com/us/en-us/skuPage.EMAT08-10.resources.html | ||||
| 6 | Double-wide Installation Quick Start Guide |
| https://www.eaton.com/us/en-us/skuPage.EMAT08-10.resources.html | ||||
| 7 | 1U and 2U rack mount installation addendum |
| https://www.eaton.com/us/en-us/skuPage.EMAT08-10.resources.html | ||||
| 8 | Original collection of KPF PDU Serial Number Tags |
| Included as these are needed for default credentials (in case of reset) |
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Installation Instructions
Configuration File
These are the requirements for the configuration file.
Configuration
Value
Explanation
Hostname
192.168.23.105
IP address of the PDU. Maps to STRIP_A_ADDRESS keyword.
Read
public
SNMP reads are public in the v1 of the SNMP protocol
Write
private
SNMP writes are part of the private channel in the v1 of the SNMP protocol
Strip
A
The name of the strip, sets the keyword names.
Outlets
8
Description | File | ||||
|---|---|---|---|---|---|
Change the IP address and also the login account user name and password |
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Note that SNMP is required by the KTL Eaton dispatcher, however it is not enabled by default on the Eatons.
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Dispatcher Implementation
Note the SNMP implementation used by the Keck Observatory relies on the v1 of the SNMP protocol. The Eaton PDU is configured to use the v1 and v3 protocol at the same time.
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Keyword
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Value
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Type
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STRIP_A_ADDRESS
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192.168.23.105
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String, read only, giving the IP address of the PDU
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STRIP_A_OUTLETS
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On / Off / Mixed
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KTL enumerated list that says whether all of the outlets are on, off, or a mixture of the two. This is writable.
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STRIP_A_SNMP
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Unknown / Online / Refusing / Offline
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The state of the SNMP connection to the PDU.
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STRIP_A_FIRMWARE
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02.00.0053
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Firmware version string, read only
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STRIP_A_MODEL
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EMAT08-10
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Model number version string, read only.
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STRIP_A_NAME
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PDU
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Name string, read only
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STRIP_A_SERIAL
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G624K02087
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Serial number string, read only
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OUTLET_A#
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On / Off / Pending On / Pending Off
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KTL enumerated list. Can be written. Gives or sets state of the outlet. There are 8 outlets and the number corresponds to the number on the chassis and in the web interface.
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OUTLET_A#_DRAW
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Float value of the Watts drawn by the outlet.
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Read only value of the power draw on the outlet.
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OUTLET_A#_LOCK
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Unknown / Unlocked / Locked
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KTL enumerated list of the lock state of the outlet. When locked cannot have the state (on or off) changed.
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OUTLET_A#_NAME
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Outlet A#
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Read only string of the name of the outlet.
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OUTLET_A#_POS
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Off / On / Last State
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If the PDU is power cycled, this keyword is used to set the state of the outlet. Defaults to Last state.