Glossary

In the environment of roller conveyors with ZPA operation, some terms have become established. The terms are also used in this documentation:

Term	Meaning
Downstream	Direction indication: in conveying direction
MDR	Abbreviation for "Motor Driven Roller" (roller motor)
Singulated release	See chapter Release types.
Train release	See chapter Release types.
Upstream	Direction indication: against the conveying direction
Zone	A section of a roller conveyor.
ZPA	Abbreviation for "Zero Pressure Accumulation".