Process data
Operating and Programming 97
Meaning depends on the
selected state table (such as
‘stop zone’ for the state table
Zone Control)
High = Upstream zone has
an item to convey
High = Downstream zone is
free
High = Left zone has an item
to convey, or left zone is free
High = Right zone has an
item to convey, or right zone
is free
High = Item available at exit
from last zone
High = First Zone is blocked
High = Item available for the
left zone, or Transfer/HPD is
blocked
High = Item available for the
right zone, or Transfer/HPD is
blocked