HRT-228-A4 – HART-to-Analog Converter and Loop Monitor

HRT-228-A4 – HART-to-Analog Converter and Loop Monitor


REF: HRT-228-A4 Categoria Tags: , ,
  • Descrição
  • Informação adicional
  • Specs
  • Ordering


  • Support HART Short/Long frame
  • Support HART Burst mode
  • Allow two HART Masters
  • Working in Point-to-Point Mode
  • 4 Independent Analog Output Signals
  • Support Firmware Update
  • Support Acquire Long Frame Address Automatically
  • Provide LED indicators
  • Built-in Watchdog
  • Built-in 2 Form A and 2 Form C relays
  • Intelligent Activate Relay Alarm automatically
  • Mountable on DIN Rail

Informação adicional


HRT-228-A4, HRT-228-A4 CR

Configuration Interface
COM PortRS-232(3 wires)
ConnectorRJ-45 10 Pin
HART Interface
HART Channel1
HART Interface2-pin screwed terminal block
HART Device2-wired or 4-wired HART devices
HART TopologyPoint to Point
HART DataOnly Digital Data
HART Frame TypeShort and Long Frame
Burst ModeSupported
Max. HART Device1
Loop Resistor250 Ω (Jumper selectable)
IsolationUL1577 Spec.
Analog Output
Current Range0/4~20mA, source or sink
(The external voltage range for sink type is 5~30VDC)
LoadSource≦750 Ω
Sink≦1.1k Ω @30VDC
Alarm (Relay) Output
Channel2 Form A (SPST-NO) / 2 Form C (SPST-NO/NC)
Contact RatingDC5A @ 24VDC
AC5A @ 250VAC (47~63Hz)
Operate Time10ms (Max.)
Release Time5ms (Max.)
Insulation Resistance1000MΩ at 500VDC
EnduranceMechanical2 x 107 ops
Electrical1 x 105 ops
Power supplyUnregulated +10 ~ +30 VDC
ProtectionPower reverse polarity protection, Over-voltage brown-out protection
Power Consumption3 W / 6 W (If choose source type current output)
Dimensions110 mm x 90 mm x 33 mm (W x L x H, without connector)
Operating Temp.-25 ~ +75
Storage Temp.-30 ~ +80
Humidity5% ~ 95% RH, non-condensing
HRT-228-A4 CR
HART-to-Analog Converter and Loop Monitor (RoHS)

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