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Varec 8300 series Installation And Operation Manual

Tank gate interface
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IOM032GVAE1313
8303 Tank Gate Interface
The 8303 scans up to 62 intelligent devices
(32 per channel) via serial RS-485 (MODBUS
or GSI ASCII) communications, including tank
gauges, sensors, PC and PLC systems.
DVR Firmware Version : MDTG1_15
DVR Firmware Version : GSTG1_10
Automation Solutions for oil & gas, defense and aviation applications

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  • Page 1 IOM032GVAE1313 8303 Tank Gate Interface The 8303 scans up to 62 intelligent devices (32 per channel) via serial RS-485 (MODBUS or GSI ASCII) communications, including tank gauges, sensors, PC and PLC systems. DVR Firmware Version : MDTG1_15 DVR Firmware Version : GSTG1_10 Automation Solutions for oil &...
  • Page 3 Seller and Buyer. The 8300 TGI has not been tested by Varec under all possible operational conditions, and Varec may not have all the data relative to your application. The information in this instruction manual is not all inclusive and does not and cannot take into account all unique situations.
  • Page 4 In no event shall Varec, Inc. or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Varec, Inc. or its suppliers have been advised of the possibility of such damages.

  • Page 5: Safety Precautions

    Read this manual carefully and make sure you understand its contents before using this product. Follow all instructions and safety guidelines presented in this manual when using this product. If the user does not follow these instructions properly, Varec cannot guarantee the safety of the system.
  • Page 6 Tank Gate Interface Installation and Operations Manual...

  • Page 7: Table Of Contents

    ........19 4.1.3 Automatic Fault Recovery Varec, Inc.
  • Page 8 5.4.2 Application 5.5 Varec Modbus Level Transmitter Interface (MBTX) ..... 59 ..........59 5.5.1 Parameters...
  • Page 9 5.10.2 Application 5.11 Varec 7xxx Radar Tank Gauge (RG7000) ......79 ..........79 5.11.1 Parameters...
  • Page 10 Contents 7.2 Installation Safety Guidelines ........103 7.3 Installation .

  • Page 11: Overview

    Versions The 8300 series Tank Gate Interface is available in a number of versions that can interface to a variety of field devices and intelligent instrumentation via interface modules listed below: 8303-2 Dual RS-485 (MODBUS) Communications Tank Gate Interface •...

  • Page 12: Applications

    Overview Tank Gate Interface Applications The 8300 series Tank Gate Interface is ideally suited for Tank Farm, Terminal, Pipeline and Refinery applications. It is an effective solution used in SCADA applications. Level, temperature, pressure, flow, local indication, and alarms •...

  • Page 13: Surge Protection

    Humidity 5...95% (non-condensing) • 1.4.10 Storage temperature -40...+212 °F (-40...100 °C) • 1.4.11 Mechanical Construction Dimensions (HxDxW) - 2.5" (64 mm) x 8.6" (220 mm) x 5.2" (133 mm) • Material - Aluminum Powder coated • *Gauge/transmitter Dependent Varec, Inc.
  • Page 14 Overview Tank Gate Interface Installation and Operations Manual...

  • Page 15: Hardware

    The motherboard description is broken into three sections. Each section identifies the location of the components on the motherboard. When necessary, a brief description of the component is provided. These sections are listed below: Power Supply • Switches and Indicators • Communications • Figure 2-1: Tank Gate Interface Hardware Components Varec, Inc.
  • Page 16 Hardware Tank Gate Interface HARDWARE HANDSHAKING EARTH NEUTRAL LINE SURGE GND RESET RS232 COM1 A/TXD B/RXD RS485 VFIELD=48V +15V VFIELD=24V -15V Figure 2-2: The Tank Gate Interface Motherboard Tank Gauge Interface Circuitry NOVRAM 128 K PROM 256 k Serial 1 COM 0 Serial 0 RS-232...

  • Page 17: Power Supply

    2.2.1.2 Surge Protection (Surge Gnd) terminal block (J4) The Surge Gnd terminal block is used to connect the surge protection components (gas tubes, MOVs) to earth ground. Ensure there is a low impedance path (< 1ohm) to earth ground (a ground rod or grounding system). Varec, Inc.
  • Page 18 Hardware Tank Gate Interface 2.2.1.3 Field Power (VFIELD) terminal block (J3) The Field Power terminal block, referred to as VFIELD, is used to provide power for field instruments. The output is configurable using jumpers (Jumper W3, discussed below). LINE SURGE GND HARDWARE HANDSHAKING EARTH NEUTRAL...

  • Page 19: Switches And Indicators

    2.2.2.1 Reset push-button (SW3) The RESET Switch is used to re-initialize the system hardware by causing it to go to a known starting state. This switch may be pressed at any time; however, it will do the following: Varec, Inc.

  • Page 20: Communications

    Hardware Tank Gate Interface Re initialize System Hardware • Clear Scratch Memory • Verify Database and Re initialize if Invalid • Reset All Timers • Enable Communications • HARDWARE HANDSHAKING EARTH NEUTRAL LINE SURGE GND RESET RESET RS232 COM1 A/TXD B/RXD RS485 VFIELD=48V...
  • Page 21 100 feet, while RS-485 allows multidrop communications at distances up to 4000 feet. RS- 232 can be used for flexibility in configuring other types of communications links. Other variations of RS-232 communications interfaces include radio, modem and fiber optic interfaces. Varec, Inc.
  • Page 22 Hardware Tank Gate Interface The choice of RS-232 or RS-485 is determined by the COM RS-232/RS-485 Selection Switch SW2. 2.2.3.3 COM1 RS232/RS-485 Selection Switch (SW2) Note COM1 is not available on the 8315 Tank Gate Interface Switch SW2 determines whether RS-232 or RS485 is used. Note that the Hardware Handshaking Switch SW1 affects the operation of COM1.
  • Page 23 Always SW1 set to the A position when using the RS-485 side) RS-485.. Table 2-1: Tank Gate Interface Communications Cable The layout for the RS-232 cable between the PC and the Tank Gate Interface is shown in the following illustrations. Varec, Inc.
  • Page 24 Hardware Tank Gate Interface TANK GATE Pin Signal COM0 (RS-232) DB9 Female R5485 / R5238 Converter TANK GATE COM1 (RS485) NOTE! Signals on RS485 / RS232 converter may have different designations. Refer to OFM manual for the converter for more information. TANK GATE Pin Signal COM1...

  • Page 25: 8203 Dual Rs-485 Communications Interface Module

    The 8203 interfaces with the following tank gauge transmitters using either Dual RS-485 (MODBUS) or Dual RS-485 (GSI ASCII) protocol including: Varec 2900 & 2910 Float & Tape Transmitter (FTT) using Modbus protocol • 4000 Advanced Technology Transmitter (ATT) using Modbus protocol •...

  • Page 26: Id Dip Switch (Sw1)

    8203 Dual RS-485 Communications Interface Module Tank Gate Interface ID DIP Switch (SW1) Firmware LED indicators (D1 – D4) Network terminating resistor jumpers (W4 & W5) Field wiring terminal block (J2, J4) Surge/Shield ground connector (J3) Network terminating resistor jumpers (W4 & W5) Figure 3-1: Dual RS-485 Tank Gate Interface Module 3.2.1...

  • Page 27: Led Indicators (D1-D4)

    Connect a copper wire (minimum size of 14 AWG) between the ground terminal (J3) and a • good earth ground. Perform this step before connecting ANY other wires. Verify that the resistance in this connection does not exceed 1 ohm. • Varec, Inc.

  • Page 28: Network Terminating Resistor Jumpers (W4 & W5)

    The following diagram shows how to use the 8203 Dual RS-485 Communications Interface Module with Modbus devices such as the 4100 MFT, 4000 ATT, 2900 FTT, and 2910 FTT. Power Supply V AREC Model 4200 HIU VAREC VAREC Model 2900FTT Model 4000 ATT Model 4100 MFT...

  • Page 29: Software Description

    The Tank Gate Interface has a watchdog timer that is periodically strobed by the microprocessor. Should the processor suffer a lapse due to hardware or software failure, the watchdog timer will time out and the Tank Gate Interface will then be reset and normal operation will resume. Varec, Inc.

  • Page 30: Communications

    Software Description Tank Gate Interface 4.1.4 Communications There are two communications tasks - one for each of the communication channels. COM ports 0 and1 are used to interface to external devices or host systems. Refer to the Hardware Chapter for the location of these ports. Note COM1 is not available on the 8315 Tank Gate Interface.

  • Page 31: System Tasks

    Blocks using ViewRTU and then configure a few parameters in order to perform a desired function. Database Organization Points are the individual instances of software blocks. Examples include Whessoe Varec 1900 (MSTX) and SCALER points. In both cases the user configures the Config parameters and is provided real time data through the Dynamic parameters.
  • Page 32 Software Description Tank Gate Interface Parameter Class Description Command Output command data Constant Weights & Measures parameter Scratch Temporary data that is typically hidden from the user System System data (should not be changed by the user) The user-related parameters are the Config, Command and Dynamic parameters. These parameters are available in the Edit Point window of ViewRTU.

  • Page 33: Gathering Point Data

    Event Mode. The Tank Gate Interface keeps track of the items that have changed since the last Host request. The Host can issue a single request of ‘tell me what has changed since my last request.’ The Tank Gate Interface will respond with the results, which include addressing Varec, Inc.

  • Page 34: Change Of State-Related Parameters

    Software Description Tank Gate Interface information about the data. In a typical system, this results in a significant improvement in the throughput rate for data. When FuelsManager is the Host system, the Change of State method has the advantage of being very efficient.
  • Page 35 There are two methods for data addressing within the Tank Gate Interface The Tank Gate Interface has a fixed Modbus Map of selected parameters • Gateway Block (GWBLK) software blocks can be configured to set the data address • Varec, Inc.

  • Page 36: Fixed Modbus Map

    Software Description Tank Gate Interface 4.3.5 Fixed Modbus Map For each version of the Tank Gate Interface, there is a fixed map of data registers. A partial example is shown below: Address Type Number Parameter Data Type 5000 MSTX Command CODED 5001 MSTX...
  • Page 37 8303 Software Description Figure 4-2: Adding a GWBLK point in View RTU Figure 4-3: Configure the GWBLK in View RTU Varec, Inc.
  • Page 38 Software Description Tank Gate Interface In this example, the Modbus register map is configured according to the following table: Data Address Parameter Comments 100-101 MSTX.00.Level Level is in IEEE Floating point format. 102-103 MSTX.01.Level 104-105 MSTX.02.Level 138-139 MSTX.19.Level 200-201 MSTX.00.Temp Temperature is in IEEE Floating Point Format.

  • Page 39: Common Software Blocks

    The Mode parameter is used in conjunction with the Protocol. Different protocols will use the Mode in different ways, depending on the needs of the protocol. ComPort Communications Port number. Valid values are 0-3. You should never modify the ComPort parameter. Varec, Inc.
  • Page 40 For example, you may configure the system to communicate with a single host redundantly using the same protocol. Alternatively, the 8300 series Tank Gate Interface can communicate to different hosts using different protocols, allowing the 8300 series Tank Gate Interface to act as Installation and Operations Manual...

  • Page 41: Floating Point Register (Fpreg)

    4.4.4 Emulator (EMU) The Emulator point allows the to emulate a Whessoe-Varec Model 6820 Tank Scanning Unit (TSU). This point provides access for level, temperature data, and gauge status information from any type of tank gauge interface supported by the 8203 Dual RS-485 Communications Interface Module.
  • Page 42 8203 Dual RS-485 Communications Interface Module . Currently, the 8203 Dual RS-485 Communications Interface Module can emulate a Whessoe Varec Model 6810 Tank Scanning Unit (TSU). The EMU point associates a tank gauge point with an address to by used by TankView. EMU.0 provides point references for TankView System Addresses 1-50.

  • Page 43: Emu Gateway (Emugw)

    Displays the tank number of the currently selected tank. LevelRef The reference point for level and temperature data for the tank currently requested by TankView Flags Hex value representing the operational status NumRequests Number of requests from TankView or Entis NumComErrors Number of errors Varec, Inc.

  • Page 44: Gateway Block (Gwblk)

    Software Description Tank Gate Interface Dynamic Parameters Function Elaspe Time of last request PntCheckSum CRC-16 Checksum for point’s static Configuration Parameters. Application The EMUGW point is automatically created when the TankView (TSU Slave) protocol is initiated. In order to use the TSU Slave protocol, set the Protocol parameter of the COM point to TSU Slave. At that time, an EMUGW and an EMU point will be created to provide a user interface for configuration and control of communications with TankView or System IV.
  • Page 45 The Gateway Block point allows you to use the 8300 series Tank Gate Interface easily in retrofit applications. It is not necessary to re-configure an existing HMI or Host system. You can configure the 8300 series Tank Gate Interface to match the addresses used in the Host system.

  • Page 46: Integer Register (Ireg)

    Function Slave Address that the Modbus Slave protocol handler will respond to. The default is to match the Unit Address of the 8300 series Tank Gate Interface. Mode Operational Mode. The Mode is a hex value, with individual bits controlling various aspects of the operation of the Modbus Slave protocol handler.

  • Page 47: Scaler Point (Scaler)

    The MODGW point provides status information for the communications with any Modbus masters used with the 8300 series Tank Gate Interface. On the 8300 series Tank Gate Interface Motherboard, the MODGW point is created automatically whenever the Modbus Slave protocol is defined for a COM point.
  • Page 48 Software Description Tank Gate Interface Parameters The database parameters used by the SCALER point are listed and described below: Configuration Parameters Function A Tag can contain 15 bytes of data and can include any printable ASCII character. Tags can be used to identify points indicating the use of the point such as “Eng Converter”...

  • Page 49: System Information (Sys)

    The database version. PntEnable Disable/Enable execution of points. Default is Enable. Dynamic Parameters Function UnitAddr The Unit Address (SW1) for the 8300 series Tank Gate Interface. DBPnts The number of database points defined. DBSize The size of the database in bytes. DBChangeTime The time of last database modification.
  • Page 50 Software Description Tank Gate Interface Installation and Operations Manual...

  • Page 51: Dual Rs-485 (Modbus) Software Blocks

    (Dual RS-485), excluding those common to all the 8300 TGI software versions. The Software Blocks are listed in alphabetical order by acronym. GSI ACII Software Blocks are described in section 6 on page 97. Common Software Blocks are described in section 4.4 on page 29. Varec, Inc.
  • Page 52 Dual RS-485 (MODBUS) Software Blocks Tank Gate Interface Installation and Operations Manual...

  • Page 53: Varec 453X Series Average Temperature Converter (Atc) Interface (At4530)

    Communications channel to which the gauge is connected. For an 8203 Dual RS- 485 Communications Interface Module Chan is either 1 or 2. The Device ID of the Varec 6000 Servo Gauge (STG) or 4590 Tank Side Monitor connected to the AT4530.
  • Page 54 WBSCN point. AverageNum Number of active temperature elements. Level Level Data from Varec 6000 Servo Gauge (STG) or 4590 Tank Side Monitor. ErrorCode Error Code. Refer to the N453x manual for further explanation. Status Hart Command 48 Status. Refer to manufacturer for additional information.

  • Page 55: Application

    Using Modbus protocol, AT4530 temperature transmitters are connected to a Varec 6000 Servo Tank Gauge or a 4590 Tank Side Monitor. The Varec 6000 Servo Tank Gauge or 4590 TSM is connected to an 8203 Dual RS-485 Communications Interface Module (Modbus). The 8203 Dual RS-485 Communications Interface Module is automatically detected at startup, and an MSCAN point is automatically created to manage the scanning task.
  • Page 56 Tank Gate Interface Installation and Operations Manual...

  • Page 57: Saab Data Acquisition Unit (Dau)

    The TempUnits needs to match the units specified during the DAU setup. The default is C TempConvert Determines the units in which the temperature data will be displayed. F: Fahrenheit C: Celsius If no value is specified, no conversion will be performed. The default is C Varec, Inc.
  • Page 58 Tank Gate Interface Configuration Parameters Function TempDeadband Specifies the amount of change in the Temp that must occur for the level to be updated each Change of State period. The default is 0.25. TempInterleave Temperature Interleave. Determines how often the temperature is read from the DAU.
  • Page 59 0x4000: Failure of the 8203 or 8212 module. This bit is set if the Watchdog task on the Motherboard determines that the 8203 or 8212 module has stopped updating. Elapse Time of the last scan PntCheckSum CRC-16 Checksum for point's static Configuration Parameters Varec, Inc.

  • Page 60: Application

    Tank Gate Interface 5.2.2 Application The DAU point provides an interface to Saab Data Acquisition Units (DAU) via an FCU, using a 8203 Dual RS-485 Communications Interface Module or the 8212 Saab (TRL/2) Communications Interface Module. If the Data Acquisition Units are connected to a Saab FCU, then an 8203 Dual RS-485 Communications Interface Module or the 8212 Saab (TRL/2) Communications Interface Module is used to read data.

  • Page 61: Gsi Model 2000 Modbus Interface (Gsimb)

    High for the Value parameter to be sent in response to a Change of State Request. A value of 0 disables this option. Non-zero values cause responses to be sent even if the value has not changed since the last message. The maximum is 65535 seconds. The default is 600. Varec, Inc.

  • Page 62: Application

    Tank Gate Interface Dynamic Parameters Function Level IEEE Floating point value representing the tank level. The data is returned in the format specified during the configuration of the gauge. Temp Floating point value representing the product temperature. The data is returned in the format specified during the configuration of the gauge.

  • Page 63: Varec Multi-Function Transmitter (Modbus) (Mbmft)

    8303 Varec Multi-Function Transmitter (Modbus) (MBMFT) The Varec Multi-Function Transmitter (Modbus) (MFT) Tank Gauge point provides an interface to Varec 4200 Multi-Function Transmitters (MFT). The 4200 MFT can communicate using a number of different protocols, including Mark/Space and Modbus. The MBMFT point interfaces to 4200 MFTs using Modbus. This point provides level, temperature, density and volume data.
  • Page 64 Tank Gate Interface Configuration Parame- Function ters Watchdog Enables the watchdog task on the Motherboard. The watchdog task monitors the MBMFT point on the 8203 Dual RS-485 Communications Interface Module and verifies it is scanning for gauges. If the 8203 Dual RS-485 Communications Interface Module fails, the 0x0010 and the 0x0001 bits of the PntStatus will be set to indicate the failure.
  • Page 65 0x0040: Bad Product Temperature 0x0080: RTD Resistance out of range 0x0100: Bad Level 0x0200: HART Encoder Communication Failure 0x0400: Pb < Pm 0x0800: Pb < Pt 0x1000: Pm < Pt 0x2000: Pb uncovered 0x4000: Pm uncovered 0x8000: Reserved Varec, Inc.

  • Page 66: Application

    5.4.2 Application The MBMFT point provides an interface to Varec 4200 Multi-Function Transmitters that operate in Modbus mode. 4200 MFTs are connected directly to a 8203 Dual RS-485 Communications Interface Module Dual RS-485 Interface Module. The 8203 Dual RS-485 Communications Interface Module is automatically detected at startup, and an MSCAN point is automatically created to manage the scanning task.
  • Page 67 FuelsManager. In order to change the protocol, set the Protocol parameter in the COM point to Modbus Master. Use the Upload command in ViewRTU’s Config menu to upload the MSCAN point that manages the Modbus Master Protocol Handler (MSCAN). The protocol will be automatically rescheduled after a power up or a “soft reset”. Varec, Inc.
  • Page 68 Tank Gate Interface Installation and Operations Manual...

  • Page 69: Varec Modbus Level Transmitter Interface (Mbtx)

    8303 Varec Modbus Level Transmitter Interface (MBTX) The Varec Modbus Level Transmitter point provides an interface to Varec 4000 Advanced Technology Transmitters (ATT), the Varec 2900 Float and Tape Transmitter (2900FTT), and the Varec 2910 Float and Tape Transmitter (2910 FTT).
  • Page 70 Tank Gate Interface Configuration Parame- Function ters LevelOffset Specifies the amount of offset to add to the Level. The default is 0. TempOffset Specifies the amount of offset to add to the Temp. The default is 0. LevelDeadband Specifies the amount of change in the Level that must occur for the level to be updated each Change of State period.

  • Page 71: Application

    The MBTX point provides an interface to Varec Model 4000 Advanced Technology Transmitters (ATT) and the Varec 2900 Float and Tape Transmitter (2900FTT) that operate in Modbus mode. 4000 ATTs and 2900FTTs are connected directly to an 8303 Dual RS-485 Communications Interface Module.
  • Page 72 Tank Gate Interface allows slaves with different baud rates and data link settings to exist on the same bus (this practice is allowed but not recommended). The MBTX point scans the following Modbus data from the 4000 ATT: Command Address Data # of Registers Level, Temp...

  • Page 73: Modbus I/O (Mfio)

    Causes automatic notification to the Host (in response to a Change of State Request) when a value changes. Parameter value can be High, Low or No. Report=No disables automatic notification. Points with Report = High will be sent before points with Report = Low. The default is High. Varec, Inc.

  • Page 74: Application

    Tank Gate Interface Configuration Parame- Function ters Maxtime Specifies the maximum time (in secs) between automatic Change of State responses being sent to the Host. Report must be set to either Low or High for the Value parameter to be sent in response to a Change of State Request. A value of 0 disables this option.

  • Page 75: Mtg Tank Gauge Interface (Mg5000)

    F: Fahrenheit C: Celsius The TempUnits needs to match the units specified during the gauge setup. The Temp can be converted from Metric to English (or vice-versa) by setting the TempConvert parameter in the appropriate MSCAN or RKSCN point. Varec, Inc.
  • Page 76 Tank Gate Interface Configuration Parame- Function ters TempConvert Determines the units in which the temperature data will be displayed. F: Fahrenheit C: Celsius If no value is specified, no conversion will be performed. The default is F. TempOffset Specified the amount of offset to add to the Temperature. The default is 0. WaitResp This is a floating point number which scales the time period calculated for the MTS MTG gauge to respond after performing level and temperature...
  • Page 77 MSCAN point is ‘F’. To convert to Celsius, set the TempConvert parameter of the MSCAN point to ‘C’. RTD2 Floating point value representing the temperature measured by the MTS MTG from RTD2. RTD3 Floating point value representing the temperature measured by the MTS MTG from RTD3. Varec, Inc.

  • Page 78: Application

    Tank Gate Interface Dynamic Parameters Function RTD4 Floating point value representing the temperature measured by the MTS MTG from RTD4. RTD5 Floating point value representing the temperature measured by the MTS MTG from RTD5. PntStatus Integer HEX value indicating status of point. Values are: 0: No Error 0x0001: Gauge not responding 0x0002: Data from gauge is invalid (CRC or Parity error)

  • Page 79: Modbus Floating Point Register (Mfpreg)

    Change of State Request. A value of 0 disables this option. Non-zero values cause responses to be sent even if the value has not changed since the last message. The maximum is 65535 seconds. The default is 600. Varec, Inc.

  • Page 80: Application

    Tank Gate Interface Dynamic Parameters Function Value0 Register values from slave device. Value0 will always correspond to the first register read from the slave device using the Addr1 and Size1 Value63 parameters. You can read up to 64 registers from the slave device. The meaning of the Value array depends upon the definition of the blocks.

  • Page 81: Modbus Scanner (Mscan)

    L: lbs/cu ft K: kgs/m3. If no value is specified, no conversion will be performed. The default setting for this point is A. Dynamic Parameters Function ScanCmd Allows the user to Enable, Disable, or Reset Scanning. Address of slave device. Varec, Inc.

  • Page 82: Application

    Tank Gate Interface Dynamic Parameters Function Current command. Values include: 1 - Read Output Status 2 - Read Input Status 3 - Read Output Registers 4 - Read Input Registers 5 - Force Single Coil 6 - Preset Single Register 15 - Force Multiple Coils 16 - Preset Multiple Registers Point currently being scanned.

  • Page 83: Saab Rex Radar (Rex)

    If no value is specified, no conversion will be performed. The default is 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. Varec, Inc.
  • Page 84 Tank Gate Interface Config Parameters Function AI3HighRange Analog Input #3 High Range ValueMin Minimum Analog Input Integer Value ValueMax Maximum Analog Input Integer Value LevelDeadband The LevelDeadband sets the deadband for the Change of State mode. The default is 0.1. Mode Parameter used to control the operation of the AT4530 point.
  • Page 85 0x0100: Temp 9 is in Liquid 0x0200: Temp 10 is in Liquid 0x0400: Temp 11 is in Liquid 0x0800: Temp 12 is in Liquid 0x1000: Temp 13 is in Liquid 0x2000: Temp 14 is in Liquid 0x4000: System Error 0x8000: Temp Calibration error Varec, Inc.
  • Page 86 Tank Gate Interface Dynamic Parameters Function TempStatus Temp status parameter (blocked). This parameter indicates the blocked status of each temperature sensor. 0x0001: Temp 1 blocked 0x0002: Temp 2 blocked 0x0004: Temp 3 blocked 0x0008: Temp 4 blocked 0x0010: Temp 5 blocked 0x0020: Temp 6 blocked 0x0040: Temp 7 blocked 0x0080: Temp 8 blocked...

  • Page 87: 5.10.2 Application

    Addr parameter is ignored. This mode is sometimes referred to as “pass-through’ mode. Weights & Measures Protection The REX point can be sealed when used in a Weights & Measures application. Only certain parameters can be sealed. These parameters will be shown in blue (CONSTANT parameters) Varec, Inc.
  • Page 88 Tank Gate Interface when unlocked and will be greyed out when locked. To seal the point, set the WMSeal to Enable. Note that FuelsManager must be active in order to seal or unseal a point. Installation and Operations Manual...

  • Page 89: Varec 7Xxx Radar Tank Gauge (Rg7000)

    Software Block. This point does not communicate directly to the FMR radar gauge. All communication must be made via a Varec 4590 Tank Side Monitor (TSM) (TM4590). 5.11.1 Parameters The database parameters used by the RG7000 point are listed and described below:...

  • Page 90: 5.11.2 Application

    MSCAN point is automatically created to manage the scanning task. The Chan parameter determines to which channel on the 8203 module the tank gauge is connected. The ID must match the Device ID of the Varec 4590 Tank Side Monitor (TSM) (TM4590) connected to the RG7000.

  • Page 91: Saab Radar Tank Gauge (Rtg)

    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 . Varec, Inc.
  • Page 92 Tank Gate Interface Configuration Parameters Function Mode Parameter used to control the operation of the TM4590 point. It has different meanings, depending on whether the 8303 Dual RS-485 Communications Interface Module is used. 8303 Dual RS-485 Communications Interface Module: 0x0010: Use old NMS operational status codes 8211 Current Loop (Whessoe Bus) Interface Module: Mode 0: Task 1, Task 36, Task 17, Task 30 Mode 0x01: Task 1 only...

  • Page 93: 5.12.2 Application

    The 8212 Saab (TRL/2) Interface Module is automatically detected at startup, and an MSCAN point is automatically created to manage the scanning task. Chan determines which Channel is used for communications to the slave device. The Chan parameter must match the channel used to communicate with the Saab RTG. Varec, Inc.
  • Page 94 Tank Gate Interface 8303 Dual RS-485 Communications Interface Module If the Radar Tank Gauges are connected to a Saab FCU, then a 8303 Dual RS-485 Communications Interface Module is used to read data, The 8303 Dual RS-485 Communications Interface Module is automatically detected at startup, and an MSCAN point is automatically created to manage the scanning task.

  • Page 95: Varec 6000 Servo Gauge (Stg) Interface (Sg6000)

    8303 5.13 Varec 6000 Servo Gauge (STG) Interface (SG6000) The SG6000 point provides an interface to Varec 6000 Servo Tank Gauge transmitter. This point provides level, temperature, interface and density data. Other information, such as point and gauge status, is also available in this Software Block.
  • Page 96 Tank Gate Interface Config/Constant Function Parameters DensityUnits Specifies the engineering units for the density data. K: kg/m3 A: API L=lbs/cu ft G= g/ml The DensityUnits needs to match the units specified during the gauge setup. The Density can be converted from Metric to English (or vice-versa) by setting the DensityConvert parameter in the appropriate MSCAN or RKSCN point.
  • Page 97 The temperature when a density measurement was made using a Run Immed Profile, Bottom Density, Middle Density or Upper Density command. Elapse Time of last scan. Interval Amount of time (in HR:MIN:SEC) between scans of the gauge DiagCode Diagnostic code Varec, Inc.

  • Page 98: 5.13.2 Application

    Tank Gate Interface Dynamic Parame- Function ters GaugeStatus. Coded value indicating status of the gauge. The GaugeStatus can have the following values: Upper Int Level - Searching or following the upper interface level Mid Int Level - Searching or following the middle interface level Bottom - Searching or following the bottom Following Level - Displacer is following product level Calibration Act –...
  • Page 99 Device ID of the SG6000. General Both interface methods provide a software interface to the Varec 6000 Servo Gauge (STG). 8203 TGI software points may begin scanning when the point is created, or when the correct Channel number is assigned. Which of these events begins the scanning process varies with each point.
  • Page 100 Tank Gate Interface Installation and Operations Manual...

  • Page 101: Varec 4590 Tank Side Monitor (Tsm) Interface (Tm4590)

    8303 5.14 Varec 4590 Tank Side Monitor (TSM) Interface (TM4590) The TM4590 point provides an interface to the Varec 4590 Tank Side Monitor. This point provides level, temperature, interface and density data. Other information, such as point and gauge status, is also available in this Software Block. The 4590 TSM can communicate using a number of different protocols, including Modbus &...
  • Page 102 Tank Gate Interface Config/Constant Function Parameters Report Causes automatic notification to the Host (in response to a Change of State Request) when a Value Changes State. Parameter values can be High, Low or No. Report=No disables notification. Points with Report= High will be sent before points with Report = Low.

  • Page 103: 5.14.2 Application

    Space, or Whessoe Bus. However the TM4590 point is only used when communicating via Modbus or Whessoe Bus. Modbus Protocol Using Modbus Protocol, 4590 TSMs are connected to an 8303 Dual RS-485 Communications Interface Module configured with Modbus firmware. An MSCAN point is automatically created to Varec, Inc.
  • Page 104 Tank Gate Interface manage the scanning task. The Chan parameter determines to which channel the 4590 TSM is connected. The ID must match the Device ID of the 4590 TSM. Whessoe Bus Protocol Using Whessoe Bus Protocol, 4590 TSMs are connected to an 8311 Current Loop Communications Interface Module configured with Whessoe Bus firmware.

  • Page 105: Ronan X76Ctm (X76Ctm)

    If no value is specified, no conversion will be performed. The default is TempDeadband The TempDeadband is used to set the Change Of State deadband for temperature. The default is .25 degrees. LevelDeadband The LevelDeadband sets the deadband for the Change of State mode. The default is 0.001. Varec, Inc.

  • Page 106: 5.15.2 Application

    Tank Gate Interface Config Parameters Function Report Causes automatic notification to the Host (in response to a Change of State Request) when the Level, Temp, Position changes. Parameter value can be High, Low or No. Report=No disables automatic notification. Points with Report = High will be sent before points with Report = Low. The default is High.

  • Page 107: Dual Rs-485 (Gsi Ascii) Software Blocks

    Dual RS-485 (GSI ASCII) Software Blocks Dual RS-485 (GSI ASCII) Software Blocks This chapter describes the Software Blocks that are included in the 8303 Tank Gate Interface (Dual RS-485), excluding those common to all the 8300 TGI software versions. The Software Blocks are listed in alphabetical order by acronym. MODBUS Software Blocks are described in section 5 on page 41.
  • Page 108 Dual RS-485 (GSI ASCII) Software Blocks Tank Gate Interface Installation and Operations Manual...

  • Page 109: Gauging Systems Inc. Model 2000 Ascii Tank Trasmitter Interface (Gsi)

    GSISCN point. Temp Floating point value representing the tank temperature. The Temperature will be presented in Fahrenheit or Celsius, depending upon the TempConvert parameter of the GSISCN point Alarm Gauge Alarms. Not used for the GS2000 point. Varec, Inc.

  • Page 110: Application

    Tank Gate Interface Dynamic Parameters Function PntStatus Integer HEX value indicating status of point. Values are: 0x0001: Gauge Not Responding. The first time the gauge does not respond, the 0x8000 bit is set. On the second try, the 0x01 bit is set. 0x0002: Data Invalid (General Data Error) 0x0004: Bad Level 0x0008: Temp OverRange...

  • Page 111: Gauging Systems Inc. Ascii Scanner (Gsiscn)

    This point also displays the point being scanned as well as the response data from the transmitter. This point is also used to set the level and the temperature units transmitted by the Tank Gate Interface. Varec, Inc.
  • Page 112 Tank Gate Interface Installation and Operations Manual...

  • Page 113: Installation

    Always follow the guidelines provided by the Occupational Safety and Health Administration for your own protection. Caution! Do not bring in unfiltered outside air. It may introduce harmful contaminants that could damage the Tank Gate Interface and components. Caution! Never perform maintenance with power applied. Varec, Inc.

  • Page 114: Installation

    Installation Tank Gate Interface Installation Standard systems are shipped with the motherboard and tank gauge interface module installed. The Tank Gate Interface installation procedure includes the installation of these individual components. Tank Gate Interface installation includes the following steps: Mounting the Tank Gate Interface (section 7.3.1 on page 104) Selecting the Unit Address (section 7.3.2 on page 104) Wiring up Power (section 7.3.3 on page 104) Grounding the Tank Gate Interface (section 7.3.4 on page 106)
  • Page 115 8303 Installation Figure 7-2: Tank Gate Interface Dimensions Varec, Inc.

  • Page 116: Grounding

    Installation Tank Gate Interface 7.3.4 Grounding To allow use in harsh industrial environments, the Tank Gate Interface incorporates ANSI/IEEE surge protection. In solid-state control systems, grounding helps limit the effects of noise due to electromagnetic interference (EMI) and provides additional surge protection when high voltage switching circuits are connected to the unit.

  • Page 117: Using Viewrtu

    Windows Program Manager. Executing ViewRTU This section describes how to start up the ViewRTU program. The components of the window are also described in this section. To execute the ViewRTU program, follow the steps below: Varec, Inc.
  • Page 118 Using ViewRTU Tank Gate Interface Execute the ViewRTU program, Select the ViewRTU program group from the Windows Program Manager. Double-click on the icon to execute the ViewRTU application. If more than one Tank Gate Interface definition file (DVR) exists, the following dialog box is displayed.

  • Page 119: Viewrtu Window

    8.5.1 The File Menu The File menu allows the user to create, open, and save configuration files. This menu also allows the user to save the current configuration to a different file name Figure 8-3: The File menu Varec, Inc.

  • Page 120: The Point Menu

    Using ViewRTU Tank Gate Interface The user is able to create a new configuration file by clicking on the New push-button from the tool bar or by selecting New from the File menu. When selected, a dialog box appears displaying a list of configuration definition files. The user selects the desired file from this list.
  • Page 121 This dialog box displays a list of defined point types and corresponding point numbers. The point icon is also displayed for identification as well as the tag, if a tag has been assigned. Once a point is selected, the Edit Point dialog box appears: Varec, Inc.
  • Page 122 Using ViewRTU Tank Gate Interface Figure 8-7: Edit Point dialog Edit Point dialog This dialog box contains all dynamic and configurable field information. The user is able to edit point data. Exiting this dialog box returns the user to the main window. Note Several other methods can be used to display the Edit Point dialog box.

  • Page 123: The Config Menu

    Click the Upload push-button to download data from the Tank Gate Interface. Once the upload is complete, the main window changes to display the uploaded configuration. Spreadsheet The Spreadsheet option is used to configure, download, and upload point data points in spreadsheet mode. Varec, Inc.
  • Page 124 Using ViewRTU Tank Gate Interface Figure 8-12:Spreadsheet Mode Edit window Password The user can use the Password option to gain access to a protected file. Once a password has been assigned, the user must enter the password when attempting to edit the Tank Gate Interface configuration file.

  • Page 125: The Communications Menu

    The PC Setup option allows the user to define the communications channel and data rate characteristics of the communications port. When selected, the following dialog box appears. This example dialog box contains the default settings for communications setup. Figure 8-16:Port Communications Setup dialog Varec, Inc.
  • Page 126 Using ViewRTU Tank Gate Interface Port Communications Setup dialog This dialog box allows the user to enter the specifications of the Tank Gate Interface’s communication port. When OK is selected, the setup data is stored as the default setup next time ViewRTU is executed.

  • Page 127: The Options Menu

    ‘AI.CSV’. This means that the user can not specify each file name as the data is exported. The user does have the ability to specify the directory to export the data to. The user must create and then select the subdirectory for the export operation. We suggest Varec, Inc.

  • Page 128: The Help Menu

    Using ViewRTU Tank Gate Interface that you organize the directories with names corresponding to the Tank Gate Interface address. If you have two Tank Gate Interface’s, use the Windows File Manager program to create subdirectories \VIEWRTU\RTU1 and \VIEWRTU\RTU2. All of the files for Tank Gate Interface #1 should be written to \VIEWRTU\RTU1;...

  • Page 129: Using Viewrtu

    This section describes how to enter a point’s parameters. Parameters are entered from the • Spreadsheet Mode window. Creating and Editing Connections This section describes how to create connections between various points. Points may be used to retrieve and/or deliver data from other points. Varec, Inc.

  • Page 130: Configuring Single Points

    Using ViewRTU Tank Gate Interface 8.6.2 Configuring Single Points Configuring the point involves entering configuration parameters. In some cases, connections between points must also be required in order to perform a function. All of these steps can be implemented from the Point Connections window. To display the Point Connections window, follow one of the methods listed below: Adding a Point The user is able to add a point or point type by clicking on the Add Point push-button...
  • Page 131 The Next push-button allows the user to step through the list of points. The user is able to view the Edit Point window of the following point number. Selecting Next at the end of the point number list wraps to the beginning. Varec, Inc.

  • Page 132: To Modify A Value

    Using ViewRTU Tank Gate Interface Previous The Previous push-button allows the user to step through multiple points of a point type. The user is able to view the data in the Edit Point window of the previous point. Selecting Previous at the first point number wraps to the last point number of the list.
  • Page 133 This dialog box is used to select a new point reference, corresponding point reference number, and/or parameter. If displayed from the Edit Point window, the selection lists the default value. If displayed from the Point Connections window, the most consistent value is selected as the default. Varec, Inc.

  • Page 134: Configuring Multiple Points

    Using ViewRTU Tank Gate Interface Only valid references appear in the list boxes contained in this dialog box. The new reference can then be downloaded to the Tank Gate Interface or stored locally if the Tank Gate Interface is off-line. 8.6.4 Configuring Multiple Points The spreadsheet mode is one of the methods used to configure points.
  • Page 135 This menu contains the same menu options found in the main window’s menu bar. Refer to The Point Menu section for a description of the menu options. Figure 8-29:Spreadsheet Mode: The Point Menu This option is useful for creating, deleting and editing points without having to exit out of the Spreadsheet mode. Varec, Inc.
  • Page 136 Using ViewRTU Tank Gate Interface The Edit Menu Figure 8-30:Spreadsheet Mode: The Edit Menu Copy The Copy option allows the user to copy data from a one or more selected cells. Select one or more cells to copy. To select one or more rows, click on the number(s). To select one or more columns, click on the parameter(s).
  • Page 137 Figure 8-32:Spreadsheet Mode: Editing point parameter values Enter or select a value from the scroll list. Set Value (with Auto Increment) This option can also be used for numeric parameters such as channels to auto increment the value. Follow the procedure below: Varec, Inc.
  • Page 138 Using ViewRTU Tank Gate Interface Click on each desired cell or column. Select Set Value from the Edit menu. The following dialog box appears: Figure 8-33:Spreadsheet Mode: Editing point parameter values using auto increment Each value in the column is incremented by one for the range of rows selected. All cells that are selected and match the data type of the value are set to the value.
  • Page 139 Select one or more rows or columns. Select the Hide Row/Col option from the Options menu. The selected rows or columns are indicated by a ‘+’ in the row or column buttons heading. The following dialog box illustrates this feature. Varec, Inc.

  • Page 140: Creating And Editing Connections

    Using ViewRTU Tank Gate Interface Figure 8-36:Spreadsheet Mode: Hiding columns The user can unhide a row or column by clicking on the associated ‘+’. To unhide all the rows/ columns, the user can select the Unhide All option from the Options menu. Unhide All The Unhide All option allows the user to reveal all of the rows or columns that are currently hidden.
  • Page 141 The point icon will appear to the right or left of the selected arrow as seen Figure 8-38. Note Double-left clicking on a focus point icon allows the user to view the point’s Edit Point window. Varec, Inc.
  • Page 142 Using ViewRTU Tank Gate Interface Note Double-left clicking on the input source or the output destination icon allows the user to step through each corresponding Point Connections window, if applicable. Note Double-right clicking on the input source or the output destination icon allows the user to view the point’s Edit Point window.

  • Page 143: Troubleshooting

    As the system receives a valid message from the Host, this indicator toggles. If the indicator is idle, the system is off-line. TXD/RXD LEDs When these LEDs are flashing, the system is exchanging data between the Tank Gate Interface and any tank gauge. Varec, Inc.

  • Page 144: Led Displays Under Abnormal Conditions

    Troubleshooting Tank Gate Interface 9.2.2 LED Displays under Abnormal Conditions The table below lists the abnormal conditions of the four indicator lights. From this table the user should be able to pinpoint the cause and derive a solution to the problem. Indicator Condition Cause...
  • Page 145 The LEDs will light (and remain steady) to indicate the address. For example, if the ID DIP Switch is set to 1, LEDS D1 will on. If the ID DIP Switch is set to 3, LEDS D1 and D2 will be on. Varec, Inc.

  • Page 146: Maintenance

    Troubleshooting Tank Gate Interface ID = 1 Figure 9-4: Address indication from the LEDs After 10 seconds, the address of the Tank Gate Interface will be set to the ID DIP Switch setting. The LEDS will flash for 5 seconds to indicate that the address is about to be set. FLASHES ID = 1 Figure 9-5: Set the ID addresses...

  • Page 147: A Appendix - Order Codes

    Interface Module Dual RS-485 MODBUS™ Communications Interface Module Dual RS-485 GSI ASCII Communications Interface Module Varec Mark/Space Micro 4-wire (Varec 1800, 1900, 6500) Interface Module Current Loop (Whessoe Bus) Interface Module Current Loop (GPE) Interface Module SAAB (TRL/2) Interface Module Enraf (811, 802/812, 854, 873) Interface Module L&J Tankway (MCG 1000, MCG 1500, MCG 2000) Interface Module...
  • Page 148 Appendix - Order Codes Tank Gate Interface Installation and Operations Manual...
  • Page 150 © 2006 Varec, Inc. All Rights Reserved. This document is for information purposes only. Varec, Inc. makes no warranties, express or implied, in this summary. The names of actual companies and products mentioned herein may be the trademarks of their respective owners.

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