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>>> RTU PROGRAMMER VERSION 3.03 HELP FILE <<</continued)
1.5
The third line from the bottom of the RTU system configuration screen is the
message line. This line displays important information about the status of
uploads, downloads, disk reads, and disk writes.
1.6
The last two lines of the RTU system configuration screen form the function key
menu. To perform one of the listed tasks either press the related function key or
click the command with your mouse. Field help will display a short help message
for the field where the cursor is. Full help will display this text file.
Upload will read the contents of the RTU currently connected to the serial
programming cable and display the configuration on the screen. Download will
cause the currently displayed configuration to be written to the RTU. Read disk
will get the configuration stored in the file named in the file name field at the top
of the screen and display this configuration on the screen. Write disk will save
the currently displayed configuration to the file named at the top of the screen.
Selecting I/0 CONFIG will display the RTU input/output configuration screen.
SCAD A CONFIG will display the RTU SCADA configuration screen. Press F9
to display a list of .USR files which you can select. Fl0 will return the program
to the main screen.
2.0
The input/output screen allows the user to edit the configuration of the RTU
connected to the serial programming cable. Inputs will be sent to any RTU on
send list. Outputs are controlled by the RTU listed under each output number
You must also be certain that t he unit which has the input controlling this output
has its inputs and send list properly configured.
2.1
There are six EXTERNAL analog inputs to the RTU. Although these inputs are
all analog, they can be treated as digital by the microprocessor. The battery
voltage is a seventh INTERNAL input to the RTU.
An eight character long name may be used to identify each of the inputs ( i.e.:
T ANKIL VL, PUMP2PWR). These tag names will be stored in the configuration
files when they are saved to disk, but they will not be stored in the RTU due to
EEPROM space limitations.
All inputs to the RTU are read by the microprocessor as analogs. The
microprocessor converts the input to a value between 0 and 255 (8-bit
resolution). Inputs can be treated as digital inputs by taking their analog value
and comparing it to a digital threshold or set point to determine whether it is a
high or low. Digital inputs cause a message to be created only when they cross
the set point in either direction. Analog inputs cause a message to be created
whenever they change from the previously reported value by a certain amount.
This amount is called the dead zone.
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Message Line
Function Keys
RTU Input/Output Configuration Screen:
Inputs:
DATAFLOW RTU
( B-7)
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