1 2312Introduction 2-11P/N 7105144G 2008 Nordson Corporation VersaBlue_NWOptionsLevel Display, Level Control / Overflow ProtectionWith the option Level display (variable measuring points) an analog levelsensor is built in. A contact Fill tank is made available at the Standard I/O(XS2) interface.With the options Level control the analog level sensor (1) transmits fillingsignals for a filling valve.With the option Level control (fixed measuring points), a 5-point sensor isbuilt in. A contact Fill tank is made available at the Standard I/O (XS2)interface.The short level sensor (2) serves as separate overflow protection. Thesignal is made available to the customer for further evaluation at theinterface Level control. It is not evaluated by the industrial PC.The filling valve (3) for automatic tank filling is located on the tank.The filling valve control module opens when the solenoid valve is triggered.The material is conveyed into the melter tank, e.g. by a bulk melter.Fig. 2-10Motor Circuit SwitchAll motor controllers and motors are deenergized with the motor circuitswitch (motor maintenance or repair switch).Position 0/OFF = Motor(s) switched off.Position 1/ON = Motor(s) switched on.This is important when, in the event of maintenance or repair, the melterand heaters must remain switched on but the motors absolutely may notturn.Padlocks can be used to protect the motor circuit switch from being turnedon by unauthorized personnel.
