-
28
-
instead of the RTU number we shall see the number of communication errors of each
RTU.
Use the
(
)(
)
keys for moving from one channel to the other.
6.
Irrigation/Fertigation Parameters
The following paragraph describes some topics which are complimentary to the
definition of irrigation and fertigation programs.
6.1
Conditions Library
Conditions are the tools by which the user can influence the operation of irrigation
programs and satellites. By the conditions programs can be started/stopped/enabled
or disabled (see above
RELATING CONDITIONS WITH PROGRAMS
) and
satellites can be turned ON and OFF.
The conditions defined by the user are stored in the
CONDITIONS LIBRARY
, each
condition with its own ordinal number. In order to become active, the condition must
be enabled, and then it will start being checked repeatedly by the system whether it
is
TRUE (1)
or
FALSE (0)
.
The conditions can refer to the following types of events:
Contact
– depending on the status of a dry contact input whether it is OPEN
or CLOSED, changing from OPEN to CLOSED (OP>CL) or from
CLOSED to OPEN (CL>OP).
Satellite
–
depending on the status of a satellite output whether it is ON or
OFF or changing from ON to OFF (ON>OFF) or from OFF to ON
(OFF>ON).
Program
– depending on the status of an irrigation program whether it is NOT
RUNNING, RUNNING, ENDING or STARTING
Combined
– depending on a combination of several conditions combined by
OR/AND operators
Flow
–
depending on the flow of a real or virtual water meter whether the
flow is above or below the set-point
Analog
–
depending on the value of an analog input whether it is above or
below the set-point.
Type of
condition
Ordinal No. of
the condition
How long must the condition be TRUE
before being considered as such
FALSE
Disabled
TRUE
The item
referred to
The value or the
status referred to
Enable Disable the
condition
Change the type of
the condition
