
8303
Varec, Inc.
81
5.12 Saab Radar Tank Gauge (RTG)
The Saab Radar Tank Gauge point provides an interface to Saab Radar Tank Gauges.
The RTG point interfaces to Saab 2920, 2930, 2940, 2960, 3920. 3930, 3940 and
3960 RTGs using Modbus. The RTG point executes on the 8312 Saab (TRL/2)
Interface Module . The RTG point can also be used with a Saab FCU. The 8203 Dual
RS-485 Interface Module can be used to read tank data from the Saab FCU.
5.12.1 Parameters
The database parameters used by the RTG point are listed and described below:
Configuration Parameters
Function
Tag
A Tag can contain 15 bytes of data and can include any printable ASCII
character. Tags can be used to identify the name of the tank being
monitored. The default tag is set to “RTG.00”.
Description
The point description can contain 30 bytes of data and can include any
printable ASCII character. Descriptions can be used as information
relevant to any aspect of the point, such as its use, location, operating
information, etc. The default description is set to “RTG.00”.
WMSeal
Coded value that enables Weights & Measures password protection.
Module
Not used.
Chan
Physical channel number the RTG is connected to. On the 8312 Saab
(TRL/2) Interface Module or 8303 Dual RS-485 Communications
Interface Module, the Chan can be set to 1 or 2.
ID
Physical Address of the tank gauge transmitter (0-999).
Addr
FCU Address (if Mode = 0x02)
LevelConvert
Convert Level to standard
F: Feet
M: Meters m: millimeters.
Default is millimeter.
LevelDeadband
The LevelDeadband sets the deadband for the Change of State mode.
The default is 0.1.
AI1LowRange
Analog Input #1 Low Range.
AI1HighRange
Analog Input #1 High Range
AI2LowRange
Analog Input #2 Low Range.
AI2HighRange
Analog Input #2 High Range
AI3LowRange
Analog Input #3 Low Range.
AI3HighRange
Analog Input #3 High Range
ValueMin
Minimum Analog Input Integer Value
ValueMax
Maximum Analog Input Integer Value
LevelUnits
Specifies the engineering units for the level data. F: feet, m: Millimeters,
s: sixteenths of inches. The LevelUnits needs to match the units
specified during the gauge setup. The Level can be converted from
Metric to English (or vice-versa) by setting the LevelConvert parameter .
Summary of Contents for 8300 series
Page 2: ......
Page 6: ...Tank Gate Interface iv Installation and Operations Manual ...
Page 14: ...Overview Tank Gate Interface 4 Installation and Operations Manual ...
Page 50: ...Software Description Tank Gate Interface 40 Installation and Operations Manual ...
Page 52: ...Dual RS 485 MODBUS Software Blocks Tank Gate Interface 42 Installation and Operations Manual ...
Page 56: ...Tank Gate Interface 46 Installation and Operations Manual ...
Page 68: ...Tank Gate Interface 58 Installation and Operations Manual ...
Page 100: ...Tank Gate Interface 90 Installation and Operations Manual ...
Page 112: ...Tank Gate Interface 102 Installation and Operations Manual ...
Page 115: ...8303 Installation Varec Inc 105 s Figure 7 2 Tank Gate Interface Dimensions 197 204 125 ...
Page 148: ...Appendix Order Codes Tank Gate Interface 138 Installation and Operations Manual ...
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