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RS-485 and RS-232 Interfaces

Connection of auxiliary equipment (CAN-Log, PP-01 passenger sensors, DV-1 driver display, JPEG camera, data reception from vehicle J1708 data bus, reception and transmission of navigation data as per NMEA standard) is carried out through RS-485 and RS-232 interfaces. When needed, it is recommended to use the RS-232 to RS-485 converter.

In the “Settings” window open the “Inputs” tab:

Omnicomm Configurator Remote configuration server

For RS-485 and RS-232 interfaces choose the setting:

  • “Disabled” – interface is not used
  • “Omnicomm LLS” – use to connect Omnicomm LLS fuel level sensors
  • “Omnicomm LLS / LLD” – use to connect Omnicomm LLS fuel level sensors or Omnicomm LLD fuel volume indicator
  • “ALM Weight Indicator” – use for connection to the axle load monitoring device
  • “CAN-Log” – connection to a CAN-log device
  • “J1708” – connection to the vehicle J1708 data bus
  • “NMEA reception” – use of navigation data from an external device. If you select this option, you must specify the data port bit rate. “RS port bit rate for NMEA data” – select the data port bit rate for reception of navigation data from an external device
  • “NMEA transmission” – use the Terminal navigation data in an external device
  • “PP-01” – use for connection of the passenger throughput sensor
  • “Camera” – use for the digital camera connection
  • “DV-01” – use for the driver display connection
  • “Tachograph VDO” (only in Omnicomm Configurator) – use for Continental tachograph connection

“Frequency of data transmission to server” – select the number of days for the DDD files transmission to the communication server. Possible options: from 1 to 28 days.

“Delete personal data before transmission” – if necessary, enable deleting the driver's personal data prior to data submission to the server.

  • “iQFreeze” – use for connection of the refrigerator control device
  • “Modbus (Struna +, PMP-201)” – use for connection to the level gauge PMP-201 or the Struna + system
  • “TPMS Pressure Pro” (only for RS-232 interface) – use for connection of the tire pressure sensors though TPMS Pressure Pro protocol
  • “Truck-TPMS” (only for RS-232 interface) – use for connection of the tire pressure sensors though Truck-TPMS protocol
  • “TPMS 6-13” (only for RS-232 interface) – use for connection of the tire pressure sensors though TPMS 6-13 protocol

Fuel Level Sensors

In the “Settings” tab select the “Inputs” section from the list.

In the “Fuel Level Sensors” section:

Omnicomm Configurator Remote configuration server

“Data source” – select the type of fuel level sensors. Possible options:

  • “Digital LLS” – when connecting fuel level sensors Omnicomm LLS
  • “Frequency LLS-AF” – when connecting fuel level sensor Omnicomm LLS-AF
  • “Vehicle sensor” – when connecting the vehicle standard fuel sensor
  • “CAN Bus” – when connecting to the CAN bus
  • “Struna +” – when connecting to the “Struna +” system
  • “PMP-201” – when connecting the level gauge PMP-201
  • “Disabled” – in case fuel level control is not required.

When Omnicomm LLS and Omnicomm LLS-AF fuel level sensors are connected:

“Number of connected sensors” – specify the number of sensors connected to the terminal.

When choosing LLS fuel level sensors connected to a universal input, you need to configure the universal input. For automatic configuration of the universal input in Omnicomm Configurator press the “Configure UI” button.

“Filtration” – enter the size of inner filter. Possible options of filtration:

  • “None” – filtration is performed only according to the settings in the Omnicomm LLS sensor
  • “Low” – used in case of product installation in stationary fuel storages and non-mobile machinery
  • “Medium” – used in case of vehicle's operation in normal road conditions
  • “Strong” – used in case of vehicle's operation in normal and severe road conditions
  • “Maximum” – used in case of vehicle's operation in severe road conditions and when connecting a standard fuel sensor with analog output

Connection of Omnicomm LLS fuel level sensor should be performed according to the diagram:

Connection of fuel level sensor

Connect Omnicomm LLS fuel level sensor according to the diagram:

Connection of fuel level sensor

Connect several Omnicomm LLS-AF sensors to the video terminal one by one, starting with 1 universal input.

Omnicomm LLS-AF sensor must be set to output a frequency signal in the range from 30 to 1053 Hz.

When connecting the video terminals to the “Struna +” system or the “PMP-201” sensor:

  • “Fuel tank volume, L” – enter the fuel tank volume. Possible values: from 0 to 65,000
  • “Current fuel volume, L” – displays the current volume according to

the “Struna +” system or the “PMP-201” sensor

Connect the “PMP-201” sensor and the “Struna +” system according to the documentation on these devices. You may connect only one “Struna +” system. The network address, by default, is 80.

Omnicomm LLD Indicator

In the “Settings” tab select the “Auxiliary equipment” section from the list.

In the “Data transmission to Omnicomm LLD indicator” section:

Omnicomm Configurator Remote configuration server

“Data source” – select the data source to display the value on the Omnicomm LLD indicator. Possible options:

  • “GPS speed” – displays the vehicle speed
  • “Universal input“ – displays the status or values on the terminal universal input depending on the connected auxiliary equipment
  • “Engine hours by RPM” – displays vehicle engine hours

When selecting “Engine hours by RPM”, fill in the table of RPM recalculation to engine hours as follows:

In the field “Revolutions per minute” enter the value of RPM, in the field “Factor” enter the value of conversion factor to calculate the engine hours value.

The conversion factors are determined based on the operating conditions of the vehicle. Maximum number of rows – 5.

Engine hours are displayed on the LLD indicator as hour values with a fractional part (1.50 means 1 hour 30 minutes) in the format HH.XX in the range of up to 100 hours and HHH.X in the range of 100.0 to 999.9 engine hours. If the number of engine hours is more than 1000, the last three significant figures are displayed and one symbol after the decimal point.

Engine hours are fully recorded in the terminal and sent to the CS on a continuous accrual basis.

Tachograph

Connect the Continental tachograph to the OKO video terminal via RS-232 and RS-485 interfaces according to the diagram:

Tachograph

Power connections of the terminal and the tachograph must be made similarly: both after the vehicle ground disconnect switch.

When needed, it is recommended to use the RS-232 to RS-485 converter.

To read the DDD files from the Continental tachograph, in Omnicomm Configurator configure the RS-232 or RS-485 interface of the terminal.