POLARIS

This page collects information that will be useful for the implementation of the IBEX control system on POLARIS.

Background & Timeline

POLARIS is a diffractometer instrument at ISIS, on TS1. The POLARIS web page describes the background to the instrument.

Control System

POLARIS will migrate from the SECI control system to the IBEX control system.

POLARIS Equipment

The equipment listed below is used on POLARIS. Please add new information (e.g. new items of equipment, new notes, information about drivers, etc. to this table).

Manufacturer	Model	Type	Connection	Driver	Notes
ISIS	DAE 2	Detector Electronics	Ethernet		see DAE note
ISIS	Mk2 Chopper	Chopper	RS-232		see Chopper note
GALIL	DMC2280	Motion Controller	Ethernet	EPICS	see Galil note
JJ-XRAY		4 x 4-blade jaws			Blades driven by Galils. see JJ X-Ray note
	1 x 4-blade jaws			Blades driven by Galils. Mounted inside sample tank
ISIS	Mk3 Chopper	Chopper	Ethernet/.NET	#169
Pfeiffer	TPG300	ISIS Vacuum System	RS232	#216	see Pfeiffer note
Pfeiffer	TPG26x	Gas Handling System	RS232	#1411	see Pfeiffer note
Eurotherm	Temperature Controller	All models at ISIS	RS-232	EPICS	see Eurotherm note
Chell	CCD100	Pressure Transducer	RS-232	#1827	see Chell note
Keithley	2400	Source Meter	RS-232	#1826	see Keithley note
Oxford Instruments	Orange Cryostat	Cryogenic System			see Oxford Instruments note
Oxford Instruments	Blue Cryostat	Cryogenic System			see Oxford Instruments note
Oxford Instruments	Dilution Fridge (Kelvinox)	Cryogenic System			see Oxford Instruments note
McLennan	PM600	Motion Controller	RS-232	EPICS	see McLennan note
ISIS	Eurotherm & Keithley	Resistivity Measurements	RS-232		Only an offline experiment to date see Resistivity note
ISIS	POLARIS Sample Changer	Sample Changer	RS-232		Copy of GEM device
Applied Measurements Ltd	INT2-L	Pressure Transducer	RS-232		Used in the Hydrothermal Reaction Cell see Hydrothermal Reaction Cell note
ISIS	POLARIS Pressure Cell Controller	Pressure Cell Controller	RS-232		see Pressure Cell Controller note
Spellman	SL600	high-voltage power supply	N/A		see Spellman note
ISIS	CS155 centre stick	high voltage centre stick	N/A		see HV Centre Stick note

Note: DAE

Main Detector banks + fixed monitors.

Note: Choppers

One T0 chopper.
Chopper is ISIS Mk2 chopper. Mk2 choppers have a serial interface (not Ethernet like Mk3).

Note: JJ X-Ray

JJ X-Ray 4-blade jaws
All blades are driven by Galils.
POLARIS has two screens for managing all 5 sets of jaws:

1. One screen to view & edit settings for jaw sets 1 -4 and display settings for jaw set 5

2. A separate screen (Jaws Manager) to view & edit settings for all 5 jaw sets

Note: Pfeiffer

1. Model TPG 26x

2. Model TPG 300

Note: Chell

Experiments requiring pressure transducer. Chell CCD100

Note: Pressure Cell Controller

The pressure cell controller on POLARIS is a copy of the same device on PEARL. At the current time (April 2017), it has not been used on POLARIS for some time. However, it may be used at some future point (but probably not for another 12-18 months, by which time we should have implemented support for the pressure cell controller on PEARL).

Note: Keithley

Experiments requiring source meter. Keithley 2400 Source Meter

Note: Eurotherm

Used to control temperature Orange Cryostat devices.

Note: Oxford Instruments

1. Orange Cryostat: models to be determined. Orange cryostats are controlled via a temperature controller (e.g. Eurotherm), so nothing on the cryostat itself for IBEX to control.

2. Blue Cryostat: models to be determined.

   1. Are these the Heliox and ITC devices?

   2. The Heliox device has a sorption insert (is that relevant to the control system?)

3. Dilution fridge: models to be determined.

   1. Kelvinox dilution fridge

Note: McLennan

1. One McLennan is used raise/lower the sample-stick

2. Another single-axis McLennan is used to rotate the sample-stick

Note: Galil

GALIL_02 is currently set up to use QR instead of DR mode because DR mode stopped working. This is the same issue as documented in Ticket #2191.

Note: Hydrothermal Cell

Uses the INT2-L pressure transducer.

Note: Resistivity Measurements

An evacuated furnace cell for measuring resistivity. Controlled by Eurotherms and measured by Keithleys (models 2000, 2400?)

Note: Spellman High Voltage Power Supply

6kV, 100mA, 600W, DC power supply. Not possible to control this device via software.

Note: CS155 Centre Stick

Not possible to control this device via software. It connects to the Spellman HV-PS.

POLARIS SECI Configs

Document information about POLARIS SECI configs here.

Configuration Name	Sub-Configurations	Last Accessed	Required
POLARIS Base + Hydrothermal	Chopper, Vacuum, Jaws, Eurotherms Test	03/02/2017	-
POLARIS Base + Dilution Fridge	Chopper, Vacuum, Jaws, Oxford - Dilution Fridge	15/12/2016	-
POLARIS Base + Sample Changer + Eurotherms_matt	Chopper, Vacuum, Jaws, Eurotherms Test, Sample Changer	12/12/2016	-
POLARIS Base + Sample Changer + Eurotherms + Heliox	Chopper, Vacuum, Jaws, Eurotherms Test, Sample Changer, Heliox	19/09/2016	-
POLARIS Base	Chopper, Vacuum, Jaws	30/11/2015	-
POLARIS Base + Sample Changer + Eurotherms	Chopper, Vacuum, Jaws, Eurotherms Test, Sample Changer	18/11/2015	-
POLARIS Base + Sample Changer + Eurotherms + ITC_matt	Chopper, Vacuum, Jaws, Eurotherms Test, Sample Changer	25/06/2015	-
POLARIS Base + Eurotherms	Chopper, Vacuum, Jaws, Eurotherms Test	05/06/2014	-
POLARIS Base + Keithley (Voltage) + Eurotherms	Chopper, Vacuum, Jaws, Eurotherms Test, Keithley (Voltage)	02/06/2014	-
POLARIS Base + Keithley + Eurotherms	Chopper, Vacuum, Jaws, Eurotherms Test, Keithley	25/03/2013	-
delete	-	01/10/2012	-
POLARIS Base + Sample Changer	Chopper, Vacuum, Jaws, Sample Changer	14/03/2012	-
test	-	10/11/2011	-

POLARIS Genie Scripts

Similarly, document information about SECI Genie scripts currently used on POLARIS here.

POLARIS Notes