Chapter 2: Site Preparation 2-7
Electrical Environment
VFD AC Power Requirements
• 120VAC,60Hz(US,Canada,andothers)viaawallmountpower
supply
• 90‐264VAC,50‐60HzviaaUniversalInputpowersupply
VFD DC Power Requirements
• 10VDCto14VDC(0.8Amax.at12VDC)
LCD AC Power Requirements
• NoACP/Savailable.TheLCDreceivespowerfromthehostviaa
poweredRS‐232connector.
LCD DC Power Requirements
• 10.6VDCto13VDC(160mAmaxat12VDC)
Operational Environment
System Configuration
TheVFDcommunicateswiththehostviatheparallelportorEIA‐232
serialportofthehost.Bothinterfacesareactiveatthesametime.The
displaydoesnotneedtoknowwhichcableitisconnectedto.
However,bothinterfacecablescannotbeconnectedtotheunitatthe
sametime.
TheLCDcommunicateswiththehostviatheserialportonly.
