G-Logo


Ex PC-Workstations, Ex-PCs

Ex Automation technology

Ex-p Pressurized enclosures


D122.A D122.PA D122.Z DM110 TA125
D122.ABlockdiagramDimensionsOptionsPropertiesTech.dataType.codeDownload

Digital Indicator: D122.A - Properties

General

  • EExi- loop powered Indicator
  • Ex-Protection: EEx ia IIC T6, for Ex-i 4...20 mA measure circuits
  • 4½ -digit 7-segment LCD, ± 19999 Digits, internal 24 bit A/D conversion
  • Field housing up to 50 mm figure height
  • Fast bargraph for trend observation, Option: limit bargraph
  • Voltage drop ca. 1V
  • Scale by buttons and display, without reference current

Ex-i Indicator D 122.A in 4 ... 20 mA measure circuit

  • Loop powered - trouble-free use in hazardous areas, without a separate power supply
  • Connected like passive analogue indicators,
  • voltage drop ca. 1V

Display

  • 4-digit 7-Segment display, ± 9999 Digits
  • LC-Display up to 30 mm digit height,
  • field housing up to 50 mm
  • Fast bargraph for trend observation,
  • (41 segments, refresh 4 times per second)

Housings

  • Short control panel housing, protection class up to IP 65
  • (HxWxD) 48x96x63,5
  • (HxWxD) 72x144x85
  • Field housing, protection class IP 65
  • (HxWxD) 133,5x138x64
  • (HxWxD) 138x184x64
  • Field housing, protection class IP66
  • (HxWxD) 140x140x71

Ergonomics

  • µ-Processor technology for extensive configuration
  • Scaleable by keyboard and display, without reference current
  • Separately scaleable bargraph (Zoom)
  • Current control button
  • Keeps the configuration by turn off
  • Ability to change configuration during operation
  • Exchangeable dimension signs

Options

  • Alarm monitoring: two intrinsically safe alarm outputs
  • Additional limit bargraph
  • Limit function with hysteresis and time delay
  • Normal open or normal closed circuit principle
  • Curve fitting

Service

  • Customized calibration
  last modified: 07.01.2016