[Halld-target] Cryomech PT415 pulse tube refrigerator

[Elliott Wolin]

Hi Chris,

I didn't see anything about RS232 control or use of the front panel 
System I/O port in the manual.  I suspect there is a companion manual 
covering remote monitoring and control.

Thanks,

				Sincerely,
					Elliott
 

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 Those raised in a morally relative or neutral environment will hold
		    no truths to be self-evident.
				   

Elliott Wolin
Staff Physicist, Jefferson Lab
12000 Jefferson Ave
Suite 8 MS 12A1
Newport News, VA 23606
757-269-7365

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Christopher Keith wrote:
> Here's a link to the pulse tube refrigerator's manual:
> http://www.cryomech.com/CRYOREFRIGERATORS/NEW%20Model%20PT415%20Manual%2011-06-06.pdf
>
> I haven't read it all, but here are some notes:
> The compressor requires 460VAC 3 phase, 20 Amp.  It weighs about 460 
> lbs.  Dimensions:  24 x 23 x 36 in.
> Cooling water is nominally 3 gpm at 80F.
>
> The refrigerator weighs 55 pounds.  Overall height is about 30 inches.  
> It has a 7.35" diameter vacuum flange.
> The first stage cold head is 5.1" in diameter and has a 4.75" bolt 
> circle (M5 screws).  It can support 22 pounds.
> The second stage cold head is 3.7" in diameter and  has a  3.4" bolt 
> circle (M5 screws).  It can support 11 pounds.
>
>   
>> An unloaded PT415 Cryorefrigerator with no additional mass on the heat 
>> exchangers will cool down to 4K in approximately 60 minutes. When 
>> additional mass is attached to either stage, the cool down time will 
>> increase.
>> In general a minimum no-load 1st stage temperature of approximately 
>> 32K and a 2nd stage temperature of 2.8K should be attained.  These 
>> temperatures will vary depending on the quality of the vacuum, the 
>> quality of the super-insulation, and the heat load brought in by the 
>> instrumentation leads.
>>     
> The compressor has both a serial port and a digital I/O port for remote 
> monitoring and control.
>   
>> RS232/488 Port
>> The RS232/488 port can be used to remotely monitor and control the 
>> compressor system as well as access all stored data.
>> System I/O Port
>> The 15 pin digital I/O connector, with selected input controls and 
>> relay outputs, provides limited monitoring and control of the 
>> compressor system.
>>     
>
> Chris
>
>