Experimental Physics and
Industrial Control System

Hi Pavel,

I don't understand.  Do you want the record automatically to switch its value back to 0 after somebody sets it to 1?  Do you want the switch back to happen after some time interval?  If so, the bo record's HIGH field might do what you want.

Tim

----- Original Message -----
From: "Pavel Masloff" <[email protected]>
To: "EPICS Tech Talk" <[email protected]>
Sent: Wednesday, April 4, 2012 8:42:40 AM
Subject: [db] simple command ?

Hello tech-talkers, 


I would like to implement a simple command record, the idea of which is to switch its VAL to 1 and then back to 0. Let's assume we have got the following record: 

record (bo,"cmd:valve_trigger") 
{ 
field(PINI, "YES") 
field(DTYP, "S7plc") 
field(OUT, "@plc/0 T=UINT8 B=0") 
field(SCAN, "I/O Intr") 
field(ONAM, "ONE") 
field(ZNAM, "ZERO") 
} 

Is there any straightforward solution? 
Thank you. 


-- 
Best regards, 


Pavel Maslov, MS 
Controls Engineer at Pulsed power Lab 
Efremov Institute for Electro-Physical Apparatus 
St. Petersburg, Russia 

Mobile: +7 (951) 672 22 19 
Phone: +7 (812) 461 01 01 

-- 
Tim Mooney ([email protected]) (630)252-5417
Software Services Group (www.aps.anl.gov)
Advanced Photon Source, Argonne National Lab

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