isHRT USB – HART USB Interface with Galvanic Decoupling

Description

HART USB Interface
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The interface isHRT USB is designed to provide a communication link between a desktop computer or PC notebook and the HART field device. The PC can be taken into the field and connected with the HART network within seconds thanks to the USB plug & play features. Mobile data acquisition, as well as parameterization and diagnosis, are preferred operational areas. The isHRT USB is connected to the HART line by 2 clamps which are the polarity insensitive and provide galvanic decoupling between HART line and PC.

The interface contains a HART master stack, that is completely executed on the microcontroller inside the interface. This microcontroller carries all tasks related to HART communication like telegram retries in case of communication errors or compliance with timing requirements of the HART protocol. This gives an advantage when using a primary and a secondary HART masters simultaneously or when using a HART slave running in Burst mode. The HART master stack can run as primary master as well as the secondary master.

Additionally, the interface can work like a serial modem under Windows XP, 7 and 8. Therefore it offers a serial COM-port so that already existing applications can be used without any changes. So the isHRT USB is compatible with existing HART software e.g. the HCF OPC server of the HART Communication Foundation.

The driver software also contains the isHRT CommDTM, a Communication DTM for use of the interface in FDT frame applications. Furthermore for integration into customer applications header files and examples in C/C++ source code are available.

Technical Details

  • Article Number: 14300-0102
  • interface: USB
  • controller: CY7C68014A
  • modem chip: DS8500
  • connector: 2-pole current terminal
  • length USB cable: about 1.5m
  • length HART cable: about 1.5m
  • operation: up to 16 interface modules in parallel mode
  • power supply: via USB
  • galvanic decoupling
  • transmission rate: 1200 Bit/s (600 Bit/s optionally)
  • driver software: Windows XP, Vista, 7, 8, 10
  • RoHs2-conform
  • delivery content: hardware, driver, HART Starter pack, documentation German and English on CD
  • compatible with: HFC OPC Server (HART Communication Foundation), Simatic PDM (all versions), FDT frame applications
  • available software: isH@RT Device DTM, isHRT CommDTM (FDT 1.2.1)

Installation Notes with a 24V Power Source

  • connect the HART transmitter to a 24V power source
  • put a 240 Ohm resistor in series
  • install the HART driver software from the CD of the isHRT USB delivery package
  • attach the isHRT USB to the PC
  • connect the clamps of the isHRT USB to the HART loop
  • in the settings of your HART application software set the HART master mode to primary master
hart_usb_installation_24V_en

Installation Notes with a PLC (Siemens, ABB, GE)

  • connect the HART transmitter to the PLC (eg. Siemens-S7, ABB…)
  • install the HART driver software from the CD of the isHRT USB delivery package
  • attach the isHRT USB to the PC
  • connect the clamps of the isHRT USB to the HART loop
  • in the settings of your HART application software set the HART master mode to secondary master
hart_usb_installation_sps_en
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Driver

isHRT Driver v.7.2 32 64bit
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Manual

isHRT USB Manual
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isHRT CommDTM

Communication DTM for FDT Software
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Starterpack

isHRT Starterpack
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Additional Links

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isHRT CommDTM

Communication DTM for FDT Software
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