EPICS Controls Argonne National Laboratory

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<== Date ==> <== Thread ==>

Subject: RE: Stream Device Support for MKS 937B and MKS PR4000B
From: <[email protected]>
To: <[email protected]>, <[email protected]>
Date: Tue, 8 Dec 2015 08:13:46 +0000

Hello Tonia,

Apologies for having not having responded yet to the email you sent last week. I had flagged it as ‘to do’, but just hadn’t managed to get round to it until now.

There are several support modules that I need to package up for you. My preferred means of doing this is to push to GitHub (this is a recently adopted VCS repository for Diamond).

The MKS937B support module is already available on GitHub: https://github.com/dls-controls/mks937b.git

 

I will make a concerted effort to set aside some time today to push the other modules up to GitHub, let you know when it’s complete and update the collaborative EPICS support module details.

 

Best regards,

Ian

 

 

From: [email protected] [mailto:[email protected]] On Behalf Of Tonia Batten
Sent: 07 December 2015 20:12
To: [email protected]
Subject: Stream Device Support for MKS 937B and MKS PR4000B

 

Good Afternoon,

 

I found the following information on the EPICS Hardware Support: by Contact page. 

Ian Gillingham <ian.gillingham_at_diamond.ac.uk>

Bus

Manufacturer

Module

Description

Link

RS-232 (Asyn)

MKS Instruments

mks9xx

MKS 901, 901P, 925, 971B, 972B, 974B vacuum gauge support

RS-232 (Streams)

ENZ / FMB

LoCuM-4

4 Channel Low Current Monitor. Input > 10 pA < 1 mA; Output +/-10V

RS-232 (Streams)

MKS Instruments

MKS937B

vacuum gauge controller

RS-232 (Streams)

MKS Instruments

PR4000B

Baratron gauge controller

RS-232 (Streams)

Thurlby Thandar Instruments (TTi)

EX355P

Programmable Bench Power Supply

 

We are interested in Stream Device support for both the MKS 937B Vacuum Gauge Controller and the MKS PR4000B Digital Power Supply and Readout Controller (http://www.mksinst.com/product/product.aspx?ProductID=831).  I have not had any luck reaching Ian Gillingham via email and therefore am wondering if someone who monitors tech talk may be able to provide me with access to the stream device support that has been developed for these two devices.

 

Also, we have run into a problem connecting the MKS 937B to an IOC (Moxa DA-662).  It seems that this connection may be causing a ground loop.  When we connect to the IOC the controller no longer displays valid readings (reading goes to 1x10-11)?  Has anyone run into this before?  We ran into the same problem when connecting the analog outputs from the MKS 937B to Modicon PLC inputs.  We were able to resolve the problem by not tying the analog signals to ground at the PLC input terminal blocks.

 

Any feedback anyone can provide on their experience, particularly any issues they have run into with either of these devices, is greatly appreciated.   

 

Thanks in advance.

 

Regards,

 

Tonia Batten, P.Eng

Control System Analyst

Canadian Light Source

44 Innovation Blvd.

Saskatoon, SK S7N 2V3

Tel:  306-657-3865
Email: [email protected]

 

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Replies:
RE: Stream Device Support for MKS 937B and MKS PR4000B ian.gillingham
References:
Stream Device Support for MKS 937B and MKS PR4000B Tonia Batten

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