mute the error printout, since this may happen when ca_put is used on an asyn-enabled PV
mute the error printout, since this may happen when ca_put is used on an asyn-enabled PV

paulscherrerinstitute/pcaspy,mscheng/pcaspy,paulscherrerinstitute/pcaspy,tectronics/pcaspy,mscheng/pcaspy,HaveF/pcaspy,tectronics/pcaspy,paulscherrerinstitute/pcaspy,HaveF/pcaspy