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Download Process Signal Integrator DIN400 AlphaDIN - Lee
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Ch.04_v1 12/9/05 12:37 pm Page 7 AlphaDIN CONVERTERS Process Signal Integrator DIN400 Function: Precision electronic instrument for the integration of electrical quantities against time giving a 24 Volt DC pulse and an open collector output suitable for operation of an electro-mechanical impulse counter, etc. The DIN400 can be used for any application where time-varying signals require integrating. For instance:– Flow, Mass Flow (Liquids, Solids or Gases), Electric Charge, etc. Application Notes: If the DIN400 is required to work from low level signals then it can be preceded by a BD300 signal amplifier. Similarly the DIN400 can accept square law signals from differential pressure/flow transmitters if preceded by a DIN500 Square Root Extractor. SPECIFICATIONS Please note that the following are typical ranges. We also manufacture instruments to cater for other ranges, within limitations detailed below. All instruments come with span and zero potentiometers for fine tuning on site. INPUTS: DC Current 0 to 1mA into 100 ohms 0 to 10mA into 10 ohms 4 to 20mA into 10 ohms 10 to 50mA into 10 ohms Other ranges as required DC Voltage Between 0 and 250 Volts DC Minimum voltage span 100 mV Maximum voltage span 250 Volts Input Impedance 100K ohm or greater for inputs of greater than 1 Volt DC OUTPUTS: SUPPLY: GENERAL: Output Pulse 1) 24 Volt DC 40mS wide, derived from an Open Collector and internal supply, and 2) Opto Coupler, 40mS wide Maximum sink current 5mA Maximum voltage 30 Volts Isolated from input and supply Power Supply Voltage User selectable 115 Volt AC ±15% 50/60 Hz 230 Volt AC ±15% 50/60 Hz Linearity Error Pulse rate proportional to input ±0.1% of span Output Count Rate Minimum 120 counts per hour 2 counts per minute Maximum 12,000 counts per hour 200 counts per minute – internally switch selectable Terminal 1 Input –ve 2 Input +ve 3 Test Point 4 5 6 Counter Output –ve 7 Counter Output +ve 1 7 8 14 75.0 Operating Temperature Range 0 to +50ºC Storage Temperature Range –20 to +60ºC Operating Humidity Range 0 to 95% RH non-condensing Storage Humidity Range 0 to 95% RH non-condensing Weight 320 gms Opto Coupler Output 35.0 7 Temperature Coefficient ±0.1% of span / 10ºC TERMINATION DETAILS 110.0 1 Pilot Light Red LED shows Power ON Loading 150 ohms minimum DC resistance 160mA maximum suitable for one electro-mechanical counter MECHANICAL DETAILS 45.0 Power Required 3VA Maximum Terminal 8 Unused 9 Unused 10 Unused 11 Unused 12 230 Volt ±15% 50/60 Hz 13 115 Volt ±15% 50/60 Hz 14 Neutral ORDERING DETAILS a) b) c) Give identification code, i.e. DIN400 Give all details of input signal, both type and range, i.e. 4 to 20mA Give details of output count rate required, i.e. 0 to 250 counts per hour LEE -DICKENS LTD Desborough, Kettering, Northants NN14 2QW U.K. Te l : ( 0 1 5 3 6 ) 7 6 0 1 5 6 F a x ( 0 1 5 3 6 ) 7 6 2 5 5 2 4.6