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Analog Input / Output

  • DGH

DGH D1100 Sensor to Computer Interface Voltage Input Module

  • 8-bit ADC, 8 conversions per second
  • Accuracy: ยฑ0.02% of FS maximum
  • Resolution: 0.01% of FS (4 digits)
  • Common mode rejection: 100dB at 50/60Hz
  • Zero drift: ยฑ1 count maximum (autozero)
  • Voltage drop: ยฑ0.1V maximum
  • Input impedance of โ‰คยฑ1V input =100Mโ„ฆ minimum and โ‰ฅยฑ5V input =1Mโ„ฆ minimum
  • Temperature range of -25ยฐC to +70ยฐC
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  • Non-compliant
  • DGH

DGH D1100M Modbus with Voltage Input Module Series

  • 8 conversions per second
  • Accuracy: ยฑ0.02% of FS maximum
  • Resolution: 0.01% of FS (4 digits)
  • Common mode rejection: 100dB at 50/60Hz
  • Zero drift: ยฑ1 count maximum (autozero)
  • Voltage drop: ยฑ0.1V maximum
  • Input impedance of โ‰คยฑ1V input =100Mโ„ฆ minimum and โ‰ฅยฑ5V input =1Mโ„ฆ minimum
  • Temperature range of -25ยฐC to +70ยฐC
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  • Non-compliant
  • DGH

DGH D1200 Sensor to Computer Interface Current Input Module

  • 8-bit ADC, 8 conversions per second
  • Accuracy: ยฑ0.02% of FS maximum (0.04% of FS for 4-20mA option)
  • Resolution: 0.01% of FS (4 digits) (0.04% of FS for 4-20mA option)
  • Common mode rejection: 100dB at 50/60Hz
  • Zero drift: ยฑ1 count maximum (autozero)
  • Voltage drop: ยฑ0.1V maximum
  • Temperature range of -25ยฐC to +70ยฐC
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  • Non-compliant
  • DGH

DGH D1200M Modbus with Current Input Module Series

  • 8 conversions per second
  • Accuracy: ยฑ0.02% of FS maximum (0.04% of FS for 4-20mA option)
  • Resolution: 0.01% of FS (4 digits) (0.04% of FS for 4-20mA option)
  • Common mode rejection: 100dB at 50/60Hz
  • Zero drift: ยฑ1 count maximum (autozero)
  • Voltage drop: ยฑ0.1V maximum
  • Temperature range of -25ยฐC to +70ยฐC
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  • Non-compliant
  • DGH

DGH D1300 Sensor to Computer Thermocouple Input Module

  • 8-bit ADC, 8 conversions per second
  • User selectable ยฐC or ยฐF
  • Accuracy (overall, error from all sources, between 0-40ยฐC ambient): ยฑ1.0ยฐC maximum (J, K, T, E) and ยฑ2.5 ยฐC maximum (R, S, B, C)(300ยฐC TO FS)
  • Resolution: ยฑ1ยฐ
  • Common mode rejection: 100dB at 50/60Hz
  • Input impedance: 100Mโ„ฆ minimum
  • Lead resistance effect: <20ฮผV per 350โ„ฆ
  • Open thermocouple and overrange indication
  • Automatic cold junction compensation and linearization
  • Temperature range of -25ยฐC to +70ยฐC
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  • Non-compliant
  • DGH

DGH D1300M Modbus with Thermocouple Input Module Series

  • 8 conversions per second
  • User selectable ยฐC or ยฐF
  • Accuracy (overall, error from all sources, between 0-40ยฐC ambient): ยฑ1.0ยฐC maximum (J, K, T, E) and ยฑ2.5 ยฐC maximum (R, S, B, C)(300ยฐC TO FS)
  • Resolution: ยฑ1ยฐ
  • Common mode rejection: 100dB at 50/60Hz
  • Input impedance: 100Mโ„ฆ minimum
  • Lead resistance effect: <20ฮผV per 350โ„ฆ
  • Open thermocouple and overrange indication
  • Automatic cold junction compensation and linearization
  • Temperature range of -25ยฐC to +70ยฐC
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  • Non-compliant
  • DGH

DGH D1400 Sensor to Computer Interface RTD Input Module Series

  • 8-bit ADC, 8 conversions per second
  • User selectable ยฐC or ยฐF
  • Accuracy: ยฑ0.3ยฐC maximum
  • Resolution: ยฑ0.1ยฐ (C or F)
  • Common mode rejection: 100dB at 50/60Hz
  • Input connections: 2-, 3- or 4-wire
  • Lead resistance effect: 3-wire – 2.5ยฐC per โ„ฆ of imbalance, 4-wire – negligible
  • Max lead resistance: 50โ„ฆ
  • Automatic linearisation and lead compensation
  • Temperature range of -25ยฐC to +70ยฐC
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  • Non-compliant
  • DGH

DGH D1400M Modbus with RTD Input Module Series

  • 8 conversions per second
  • User selectable ยฐC or ยฐF
  • Accuracy: ยฑ0.3ยฐC maximum
  • Resolution: ยฑ0.1ยฐ (C or F)
  • Common mode rejection: 100dB at 50/60Hz
  • Input connections: 2-, 3- or 4-wire
  • Lead resistance effect: 3-wire – 2.5ยฐC per โ„ฆ of imbalance, 4-wire – negligible
  • Max lead resistance: 50โ„ฆ
  • Automatic linearisation and lead compensation
  • Temperature range of -25ยฐC to +70ยฐC
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  • Non-compliant
  • DGH

DGH D1450 Sensor to Computer Interface Thermistor Input Module

  • 8-bit ADC, 8 conversions per second
  • User selectable ยฐC or ยฐF
  • Accuracy: ยฑ0.1ยฐC for 2252โ„ฆ and ยฑ0.2ยฐC for TD series
  • Resolution: 0.01ยฐ (C or F) for 2252โ„ฆ and 0.1ยฐ(C or F) for TD series
  • Common mode rejection: 100dB at 50/60Hz
  • Input protection to 30Vdc
  • Temperature range of -25ยฐC to +70ยฐC
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  • Non-compliant
  • DGH

DGH D1450M Modbus Thermistor Input Module Series

  • 8 conversions per second
  • User selectable ยฐC or ยฐF
  • Accuracy: ยฑ0.1ยฐC for 2252โ„ฆ and ยฑ0.2ยฐC for TD series
  • Resolution: 0.01ยฐ (C or F) for 2252โ„ฆ and 0.1ยฐ(C or F) for TD series
  • Common mode rejection: 100dB at 50/60Hz
  • Input protection to 30Vdc
  • Temperature range of -25ยฐC to +70ยฐC
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  • Non-compliant
  • DGH

DGH D1500 Sensor to Computer Interface Bridge Input Module

  • 8-bit ADC, 8 conversions per second
  • Accuracy: ยฑ0.05% of FS maximum
  • Resolution: 10ฮผV (mV spans) and 0.02% of FS (V spans)
  • Common mode rejection: 100dB at 50/60Hz
  • Excitation voltage: 5V, 8V or 10V dc @ 60mA maximum
  • Offset Control: Full input range
  • Input burnout protection to 30Vdc
  • Zero drift: +/-1ฮผV/deg C maximum
  • Span temperature coefficient: ยฑ50ppm/ยฐC maximum
  • Temperature range of -25ยฐC to +70ยฐC
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  • Non-compliant
  • DGH

DGH D1500M Modbus Bridge Input Module Series

  • 8 conversions per second
  • Accuracy: ยฑ0.05% of FS maximum
  • Resolution: 10ฮผV (mV spans) and 0.02% of FS (V spans)
  • Common mode rejection: 100dB at 50/60Hz
  • Excitation voltage: 5V, 8V or 10V dc @ 60mA maximum
  • Offset Control: Full input range
  • Input burnout protection to 30Vdc
  • Zero drift: +/-1ฮผV/deg C maximum
  • Span temperature coefficient: ยฑ50ppm/ยฐC maximum
  • Temperature range of -25ยฐC to +70ยฐC
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  • Non-compliant
  • DGH

DGH D1600 Sensor to Computer Interface Frequency Input Module

  • 8-bit ADC, 8 conversions per second
  • Accuracy: ยฑ0.01% of reading, ยฑ10ฮผs for timer models or ยฑ0.01Hz for frequency models
  • Resolution: ยฑ0.005% of reading, ยฑ0.01ฮผs for timer models or ยฑ0.01Hz for frequency models
  • Input Impedance: 1Mฮฉ minimum
  • Span temperature coefficient: ยฑ20ppm/ยฐC for frequency and timer models
  • Adjustable hysteresis (1mV to 1V)
  • Input protection to 250Vac
  • User-selectable switching level (0V or +2.5V)
  • Span temperature coefficient: ยฑ50ppm/ยฐC maximum
  • Temperature range of -25ยฐC to +70ยฐC
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  • Non-compliant
  • DGH

DGH D1600M Modbus Frequency Input Module Series

  • 8 conversions per second
  • Accuracy: ยฑ0.01% of reading,plus ยฑ0.01Hz
  • Resolution: ยฑ0.005% of reading, plus ยฑ0.01Hz
  • Input Impedance: 1Mฮฉ minimum
  • Span temperature coefficient: ยฑ20ppm/ยฐC
  • Adjustable hysteresis (1mV to 1V)
  • Input protection to 250Vac
  • User-selectable switching level (0V or +2.5V)
  • Span temperature coefficient: ยฑ50ppm/ยฐC maximum
  • Temperature range of -25ยฐC to +70ยฐC
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  • Non-compliant
  • DGH

DGH D2100 Sensor to Computer Interface Voltage Input Module

  • Intelligent features not found in the D1000 series: built-in commands to create custom nonlinear input-to-output transfer functions
  • 8-bit ADC, 8 conversions per second
  • Accuracy: ยฑ0.02% of FS maximum
  • Resolution: 0.01% of FS (4 digits)
  • Common mode rejection: 100dB at 50/60Hz
  • Zero drift: ยฑ1 count maximum (autozero)
  • Voltage drop: ยฑ0.1V maximum
  • Input impedance of โ‰คยฑ1V input =100Mโ„ฆ minimum and โ‰ฅยฑ5V input =1Mโ„ฆ minimum
  • Temperature range of -25ยฐC to +70ยฐC
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  • Non-compliant
  • DGH

DGH D2200 Sensor to Computer Interface Current Input Module

  • Intelligent features not found in the D1000 series: built-in commands to create custom nonlinear input-to-output transfer functions
  • 8-bit ADC, 8 conversions per second
  • Accuracy: ยฑ0.02% of FS maximum (0.04% of FS for 4-20mA option)
  • Resolution: 0.01% of FS (4 digits) (0.04% of FS for 4-20mA option)
  • Common mode rejection: 100dB at 50/60Hz
  • Zero drift: ยฑ1 count maximum (autozero)
  • Voltage drop: ยฑ0.1V maximum
  • Temperature range of -25ยฐC to +70ยฐC
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  • Non-compliant
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Analog Input / Output

The DGH analog input/output modules are complete data acquisition systems designed for use with PLCโ€™s, PCs and other processor-based equipment. These modules provide a direct connection to a vast array of industrial sensors including DC voltages, 4-20mA current loops, thermocouples, RTD probes, thermistors, load cells, frequency sources and more.

The modules contain an isolated analog input, perform all signal conditioning, high resolution A/D conversion, linearisation, and scale the digital data values into engineering units. Data values are communicated to a host computer using either the DGH ASCII serial protocol, the Modbus RTU serial protocol or the Modbus TCP Ethernet protocol. Each module is available with a serial, USB or Ethernet interface.