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LEVELtrol-II Installation & Operating Instructions
5.3.4 Analog Output in Level/Total mode
The analog output is menu assignable to correspond to the Level,
Volume, Corrected Volume, Mass, Temperature, Density. The analog
output is ideal for "trend" tracking using strip chart recorders or other
devices.
5.3.5 RS-232 Serial Port Operation in Level/Total mode
The RS-232 serial port can be used for programming (using the optional
Setup Disk) or for communicating to printers and computers in the
Operating Mode (Run Mode).
PC Communications:
The Setup Disk also allows the user to query the unit for operating status
such as Level, Tank Total, Temperature, Density, Presets, etc.
Operation of RS-232 Serial Port with Printers:
Transaction Printing
For transaction printing, the user defines the items to be included in
the printed document (see SET PRINT OUTPUT, Select_list). The
transaction document can be initiated by pressing the PRINT key or by
a remote contact closure.
Data Logging to Printer
In data logging, the user defines the items to be included in each data
log (see SET PRINTER OUTPUT, Select_list). The user can also select
when (time of day) or how often (print interval) the data log is to be made
(see section 6.3.19 SET PRINT OUTPUT, Configure).
System Setup and Maintenance Report
The system setup and maintenance report lists all of the instrument
setup parameters and usages for the current instrument configuration.
The audit trail information and a status report is also printed. This report
is initiated in the Test menu (see PRINT SYSTEM SETUP).
5.3.6 RS-485 Serial Port Operation in Level/Total mode
The RS-485 serial port can be used for accessing level, total quantity,
temperature, density and alarm status information. The port can also
be used for changing presets and acknowledging alarms.
Analog Output
(Level/Total mode)
RS-232 Serial Port
(Level/Total mode)