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Table of Contents:
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Introduction - update names in drawing?
Each cryostat will have two ion pumps attached. One will be operated continuously and the second will sit idle as a backup. Each pump has a dedicated controller (for a total of four in the system).
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Relevant Devices
Description | Qty | Source | Part Number | |
|---|---|---|---|---|
Ion Pump Controller | 4 | Gamma1 | SPC-1-P-S-1-US110-E-S-N | |
Ion Pump | 4 | Gamma1 | 3SDI1V5KNN (3S TiTan) | |
Air Cables | 4 | Gamma1 | 10K-SC10-10K (10 m) | |
High Voltage Vacuum Feedthrough | 2 | Gamma1 | ||
Vacuum Cables | 4 | Custom | -Gamma1 | 10K-TF3-5K (PTFE 3m long) |
1 Gamma products were ordered through Edwards Vacuum (Western-US Gamma distributor)
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Relevant Functional Block Diagram - update with part numbers, no graph paper
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Relevant Datasheets & Manuals
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Description | File |
|---|---|
Enable the high pressure resolution mode (this is a front-panel-only setting). |  |
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Dispatcher
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Configuration File
This dispatcher is part of kpfgreen (currently) and will be part of kpfred. There will be four dispatcher instances running each with a unique configuration file.
Values with $(NAME) note that the name of the ion pump will be specified in the configuration file and allow both ion pumps for a given cryostat to have a unique name (e.g., Ech and Coll for echelle side and collimator side.)
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Keyword
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Value
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Type
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$(NAME)_CURR
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The current at the pump in Amps.
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Double - read only
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$(NAME)_VOLT
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The voltage at the pump in … Volts.
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Double - read only
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$(NAME)_STATUS
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Current controller status - see manual for details
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String - read only
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$(NAME)_PUMPON
Is the pump on?
0 - no
1 - yes
2 - unknown (most likely only at startup or if connection lost)
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.
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Enumerated - is writable.
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)
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Locks turning the pump off and on.
0 - Locked
1 - Unlocked
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Enumerated
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$(NAME)_IP_MODEL
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Model of the device as reported by the device.
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String - read only
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$(NAME)_IP_FIRMWARE
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Firmware version of the device as reported by the device.
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String - read only
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DISP#XXXX
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Usual dispatcher keywords.
STOP - stops dispatcher
CONN - IP address and port
DEV - device name from config file
STA - status and includes whether or not a connection is made.
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The required sections are:
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