WIKA DIH50/52/62 帶HART®通訊協(xié)議的電流回路式數(shù)顯儀

Field display for current loops with HART® communication
Models DIH50, DIH52, DIH62

                                                        
_{Fig. left: field display models DIH50, DIH52
Fig. right: field display model DIH62}

   _{Applications
   ■ Process engineering
   ■ Plant construction
   ■ General industrial applications
   ■ Oil and gas industry}

  _{Special features
  ■ Automatic measuring range configuration via HART® communication between HART® master and tranitter
  ■ Scale range -9999 .... 99999 / Bar graph
  ■ Display for units and various status messages
  ■ Ex versions
   - model DIHxx-B: intrinsically safe
   - model DIH5x-F: flameproof enclosure
  ■ HART®: Secondary master function and multidrop capability (models DIH52, DIH62)}

  _{Description
   The DIH series field displays are 4 ... 20 mA current loop indicators which can, in addition, offer a imposed
HART® communication between the connected tranitter and the control room. Thus the scale range and units are
automatically adopted dependent on the settings of the connected HART® tranitter.
   Common units for temperature and pressure are factory-set.An additional "user unit" is freely programmable.
   With this field display it is possible to display range alarms as well as MIN and MAX values. Error-current signals from the connected tranitters are also detected and displayed.The display can be used in conjunction with any 4 ... 20 mA tranitter.}

  _{The field displays are powered directly from the 4 ... 20 mA current loop, with a resultant voltage drop of less than 3 V.
  The field displays can be mounted directly onto a wall. An optional pipe mounting kit is available for fitting to pipes with a diameter of 1 ... 2".
  The model DIHxx-B basic modules are also available separately for mounting into other suitable enclosures.
  The model DIH5x field displays consist of an aluminium field case with a built-in basic module.
  The model DIH62 dial displays are available with various case materials, such as plastic, stainless steel and aluminium.}

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