Experimental Physics and
Industrial Control System

[email protected] (Marty Kraimer) · Mon, 16 Jan 1995 10:56:45 -0600

On your ioc 
1) Find out what sysClkRateGet returns
2) Call tickGet twice and manually measure the time between calls

Does (tickget2 - tickget1)/sysClkRateGet equal the time you measured?

> From [email protected] Mon Jan 16 10:44 CST 1995
> Date: Mon, 16 Jan 1995 17:46:28 EST
> From: "Gabor Csuka, DESY - Germany" <[email protected]>
> To: [email protected]
> Cc: [email protected]
> Subject: IOC time 1min=90sec ??
> Content-Type> : > text> 
> Content-Length: 841
> 
> Hi,
> 
> Our IOC -s time is after a correct syncronization working too fast.
> After 40min the time is increasd with 1 hour. Where is my failure ?
> 
> Our configuration:
> NO hardware clock, NO NTP server
> 
> 1 ioc:
> TSconfigure (1, 10, 60, 0, 0)
> -> TSreport
> Soft timing slave
> Master timing IOC alive
> Time protocol sync with unix
> Clock Rate in Hertz = 60
> Sync Rate in Seconds = 10
> Master communications port = 18323
> Slave communications port = 18322
> Total events supported = 1
> Request Time Out = 250 milliseconds
> 
> The others:
> TSconfigure (0, 10, 60, 0, 0)
> -> TSreport
> Soft timing master
> Master timing IOC alive
> Time protocol sync with unix
> Clock Rate in Hertz = 60
> Sync Rate in Seconds = 10
> Master communications port = 18323
> Slave communications port = 18322
> Total events supported = 1
> Request Time Out = 250 milliseconds
> 
> 
> Any idea ???
> 
> Gabor Csuka
> DESY
> 

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System