Nordson VersaBlue VB Series, Manual

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Glossary
D-7
P/N 7105144G
2008 Nordson Corporation
VersaBlue_NW
Encoder
The encoder compiles the line speed of the parent machine. It supplies a
certain number of electrical pulses per revolution. The frequency is a
measure of line speed. Refer to Line Speed Signal .
Firmware
Internal software that cannot be changed by and that is not accessible to
the customer.
Flap Valve
A valve through which material can only flow in one direction. The valve
closes automatically when the flow direction changes.
Free-wheeling Diode
Electronic component that protects electronic assemblies from power
surges that occur when relays or solenoid valves are switched off.
Grammage
Refer to Application Weight.
Gun, Hot Melt
System component used to apply material as a bead, dot, surface or spray
application.
Heater Cartridge
A replaceable, cylindrical resistance heating element. It is inserted into a
hole in the component to be heated.
Hopper
Unheated tank extension, used to increase tank volume.
Host
Higher-order control unit.