Library for Building Automation Function Block Descriptions ... - Wago

Dimmer Double Switch (FbDimmerDoubleSwitch)Graphical Display:Function Description:The function block FbDimmerDoubleSwitch is comparable to the function blockFbDimmerSingleSwitch. The difference resides in the access of the function blockwith one double switch to both input objects “xDimmSwitchUP“ and“xDimmSwitchDown“.This permits dimming UP or DOWN of the light in a defined manner. It is thuspossible to always determine the dimming direction.A short pulse (< as “uiT_ShortIn10telSec“) on one of the two inputs provokesswitching the lightingON or OFF. A long switch pulse (> as “uiT_ShortIn10telSec“)on the “xDimmSwitchUP“ input results in dimming UP up to “bMaxDimmValue“and a long switch pulse on “xDimmSwitchDown“ in dimming DOWN to“bMinDimmValue“.Note:This function block uses some residual variables having a VAR_RETAINdeclaration.Subject to design changes WAGO Kontakttechnik GmbH & Co. KG Postfach 2880 • D-32385 Minden Tel.: 05 71 / 8 87-0 E-Mail: info@wago.comCopyright © 2009 Hansastr. 27 • D-32423 Minden Fax.: 05 71 / 8 87-169 Web:http://www.wago.com28