WIKA DIH50/52/62 带HART®通讯协议的电流回路式数显仪
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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