Analog Input / Output

DGH D1100 Sensor to Computer Interface Voltage Input Module

8-bit ADC, 8 conversions per second
Accuracy: ±0.02% of FS maximum
Resolution: 0.01% of FS (4 digits)
Common mode rejection: 100dB at 50/60Hz
Zero drift: ±1 count maximum (autozero)
Voltage drop: ±0.1V maximum
Input impedance of ≤±1V input =100MΩ minimum and ≥±5V input =1MΩ minimum
Temperature range of -25°C to +70°C

DGH D1100M Modbus with Voltage Input Module Series

8 conversions per second
Accuracy: ±0.02% of FS maximum
Resolution: 0.01% of FS (4 digits)
Common mode rejection: 100dB at 50/60Hz
Zero drift: ±1 count maximum (autozero)
Voltage drop: ±0.1V maximum
Input impedance of ≤±1V input =100MΩ minimum and ≥±5V input =1MΩ minimum
Temperature range of -25°C to +70°C

DGH D1200 Sensor to Computer Interface Current Input Module

8-bit ADC, 8 conversions per second
Accuracy: ±0.02% 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: ±1 count maximum (autozero)
Voltage drop: ±0.1V maximum
Temperature range of -25°C to +70°C

DGH D1200M Modbus with Current Input Module Series

8 conversions per second
Accuracy: ±0.02% 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: ±1 count maximum (autozero)
Voltage drop: ±0.1V maximum
Temperature range of -25°C to +70°C

DGH D1300 Sensor to Computer Thermocouple Input Module

8-bit ADC, 8 conversions per second
User selectable °C or °F
Accuracy (overall, error from all sources, between 0-40°C ambient): ±1.0°C maximum (J, K, T, E) and ±2.5 °C maximum (R, S, B, C)(300°C TO FS)
Resolution: ±1°
Common mode rejection: 100dB at 50/60Hz
Input impedance: 100MΩ minimum
Lead resistance effect: <20μV per 350Ω
Open thermocouple and overrange indication
Automatic cold junction compensation and linearization
Temperature range of -25°C to +70°C

DGH D1300M Modbus with Thermocouple Input Module Series

8 conversions per second
User selectable °C or °F
Accuracy (overall, error from all sources, between 0-40°C ambient): ±1.0°C maximum (J, K, T, E) and ±2.5 °C maximum (R, S, B, C)(300°C TO FS)
Resolution: ±1°
Common mode rejection: 100dB at 50/60Hz
Input impedance: 100MΩ minimum
Lead resistance effect: <20μV per 350Ω
Open thermocouple and overrange indication
Automatic cold junction compensation and linearization
Temperature range of -25°C to +70°C

DGH D1400 Sensor to Computer Interface RTD Input Module Series

8-bit ADC, 8 conversions per second
User selectable °C or °F
Accuracy: ±0.3°C maximum
Resolution: ±0.1° (C or F)
Common mode rejection: 100dB at 50/60Hz
Input connections: 2-, 3- or 4-wire
Lead resistance effect: 3-wire – 2.5°C per Ω of imbalance, 4-wire – negligible
Max lead resistance: 50Ω
Automatic linearisation and lead compensation
Temperature range of -25°C to +70°C

DGH D1400M Modbus with RTD Input Module Series

8 conversions per second
User selectable °C or °F
Accuracy: ±0.3°C maximum
Resolution: ±0.1° (C or F)
Common mode rejection: 100dB at 50/60Hz
Input connections: 2-, 3- or 4-wire
Lead resistance effect: 3-wire – 2.5°C per Ω of imbalance, 4-wire – negligible
Max lead resistance: 50Ω
Automatic linearisation and lead compensation
Temperature range of -25°C to +70°C

DGH D1450 Sensor to Computer Interface Thermistor Input Module

8-bit ADC, 8 conversions per second
User selectable °C or °F
Accuracy: ±0.1°C for 2252Ω and ±0.2°C for TD series
Resolution: 0.01° (C or F) for 2252Ω and 0.1°(C or F) for TD series
Common mode rejection: 100dB at 50/60Hz
Input protection to 30Vdc
Temperature range of -25°C to +70°C

DGH D1450M Modbus Thermistor Input Module Series

8 conversions per second
User selectable °C or °F
Accuracy: ±0.1°C for 2252Ω and ±0.2°C for TD series
Resolution: 0.01° (C or F) for 2252Ω and 0.1°(C or F) for TD series
Common mode rejection: 100dB at 50/60Hz
Input protection to 30Vdc
Temperature range of -25°C to +70°C

DGH D1500 Sensor to Computer Interface Bridge Input Module

8-bit ADC, 8 conversions per second
Accuracy: ±0.05% of FS maximum
Resolution: 10μV (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: +/-1μV/deg C maximum
Span temperature coefficient: ±50ppm/°C maximum
Temperature range of -25°C to +70°C

DGH D1500M Modbus Bridge Input Module Series

8 conversions per second
Accuracy: ±0.05% of FS maximum
Resolution: 10μV (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: +/-1μV/deg C maximum
Span temperature coefficient: ±50ppm/°C maximum
Temperature range of -25°C to +70°C

DGH D1600 Sensor to Computer Interface Frequency Input Module

8-bit ADC, 8 conversions per second
Accuracy: ±0.01% of reading, ±10μs for timer models or ±0.01Hz for frequency models
Resolution: ±0.005% of reading, ±0.01μs for timer models or ±0.01Hz for frequency models
Input Impedance: 1MΩ minimum
Span temperature coefficient: ±20ppm/°C 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: ±50ppm/°C maximum
Temperature range of -25°C to +70°C

DGH D1600M Modbus Frequency Input Module Series

8 conversions per second
Accuracy: ±0.01% of reading,plus ±0.01Hz
Resolution: ±0.005% of reading, plus ±0.01Hz
Input Impedance: 1MΩ minimum
Span temperature coefficient: ±20ppm/°C
Adjustable hysteresis (1mV to 1V)
Input protection to 250Vac
User-selectable switching level (0V or +2.5V)
Span temperature coefficient: ±50ppm/°C maximum
Temperature range of -25°C to +70°C

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: ±0.02% of FS maximum
Resolution: 0.01% of FS (4 digits)
Common mode rejection: 100dB at 50/60Hz
Zero drift: ±1 count maximum (autozero)
Voltage drop: ±0.1V maximum
Input impedance of ≤±1V input =100MΩ minimum and ≥±5V input =1MΩ minimum
Temperature range of -25°C to +70°C

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: ±0.02% 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: ±1 count maximum (autozero)
Voltage drop: ±0.1V maximum
Temperature range of -25°C to +70°C

DGH D1100 Sensor to Computer Interface Voltage Input Module

8-bit ADC, 8 conversions per second
Accuracy: ±0.02% of FS maximum
Resolution: 0.01% of FS (4 digits)
Common mode rejection: 100dB at 50/60Hz
Zero drift: ±1 count maximum (autozero)
Voltage drop: ±0.1V maximum
Input impedance of ≤±1V input =100MΩ minimum and ≥±5V input =1MΩ minimum
Temperature range of -25°C to +70°C

DGH D1100M Modbus with Voltage Input Module Series

8 conversions per second
Accuracy: ±0.02% of FS maximum
Resolution: 0.01% of FS (4 digits)
Common mode rejection: 100dB at 50/60Hz
Zero drift: ±1 count maximum (autozero)
Voltage drop: ±0.1V maximum
Input impedance of ≤±1V input =100MΩ minimum and ≥±5V input =1MΩ minimum
Temperature range of -25°C to +70°C

DGH D1200 Sensor to Computer Interface Current Input Module

8-bit ADC, 8 conversions per second
Accuracy: ±0.02% 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: ±1 count maximum (autozero)
Voltage drop: ±0.1V maximum
Temperature range of -25°C to +70°C

DGH D1200M Modbus with Current Input Module Series

8 conversions per second
Accuracy: ±0.02% 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: ±1 count maximum (autozero)
Voltage drop: ±0.1V maximum
Temperature range of -25°C to +70°C

DGH D1300 Sensor to Computer Thermocouple Input Module

8-bit ADC, 8 conversions per second
User selectable °C or °F
Accuracy (overall, error from all sources, between 0-40°C ambient): ±1.0°C maximum (J, K, T, E) and ±2.5 °C maximum (R, S, B, C)(300°C TO FS)
Resolution: ±1°
Common mode rejection: 100dB at 50/60Hz
Input impedance: 100MΩ minimum
Lead resistance effect: <20μV per 350Ω
Open thermocouple and overrange indication
Automatic cold junction compensation and linearization
Temperature range of -25°C to +70°C

DGH D1300M Modbus with Thermocouple Input Module Series

8 conversions per second
User selectable °C or °F
Accuracy (overall, error from all sources, between 0-40°C ambient): ±1.0°C maximum (J, K, T, E) and ±2.5 °C maximum (R, S, B, C)(300°C TO FS)
Resolution: ±1°
Common mode rejection: 100dB at 50/60Hz
Input impedance: 100MΩ minimum
Lead resistance effect: <20μV per 350Ω
Open thermocouple and overrange indication
Automatic cold junction compensation and linearization
Temperature range of -25°C to +70°C

DGH D1400 Sensor to Computer Interface RTD Input Module Series

8-bit ADC, 8 conversions per second
User selectable °C or °F
Accuracy: ±0.3°C maximum
Resolution: ±0.1° (C or F)
Common mode rejection: 100dB at 50/60Hz
Input connections: 2-, 3- or 4-wire
Lead resistance effect: 3-wire – 2.5°C per Ω of imbalance, 4-wire – negligible
Max lead resistance: 50Ω
Automatic linearisation and lead compensation
Temperature range of -25°C to +70°C

DGH D1400M Modbus with RTD Input Module Series

8 conversions per second
User selectable °C or °F
Accuracy: ±0.3°C maximum
Resolution: ±0.1° (C or F)
Common mode rejection: 100dB at 50/60Hz
Input connections: 2-, 3- or 4-wire
Lead resistance effect: 3-wire – 2.5°C per Ω of imbalance, 4-wire – negligible
Max lead resistance: 50Ω
Automatic linearisation and lead compensation
Temperature range of -25°C to +70°C

DGH D1450 Sensor to Computer Interface Thermistor Input Module

8-bit ADC, 8 conversions per second
User selectable °C or °F
Accuracy: ±0.1°C for 2252Ω and ±0.2°C for TD series
Resolution: 0.01° (C or F) for 2252Ω and 0.1°(C or F) for TD series
Common mode rejection: 100dB at 50/60Hz
Input protection to 30Vdc
Temperature range of -25°C to +70°C

DGH D1450M Modbus Thermistor Input Module Series

8 conversions per second
User selectable °C or °F
Accuracy: ±0.1°C for 2252Ω and ±0.2°C for TD series
Resolution: 0.01° (C or F) for 2252Ω and 0.1°(C or F) for TD series
Common mode rejection: 100dB at 50/60Hz
Input protection to 30Vdc
Temperature range of -25°C to +70°C

DGH D1500 Sensor to Computer Interface Bridge Input Module

8-bit ADC, 8 conversions per second
Accuracy: ±0.05% of FS maximum
Resolution: 10μV (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: +/-1μV/deg C maximum
Span temperature coefficient: ±50ppm/°C maximum
Temperature range of -25°C to +70°C

DGH D1500M Modbus Bridge Input Module Series

8 conversions per second
Accuracy: ±0.05% of FS maximum
Resolution: 10μV (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: +/-1μV/deg C maximum
Span temperature coefficient: ±50ppm/°C maximum
Temperature range of -25°C to +70°C

DGH D1600 Sensor to Computer Interface Frequency Input Module

8-bit ADC, 8 conversions per second
Accuracy: ±0.01% of reading, ±10μs for timer models or ±0.01Hz for frequency models
Resolution: ±0.005% of reading, ±0.01μs for timer models or ±0.01Hz for frequency models
Input Impedance: 1MΩ minimum
Span temperature coefficient: ±20ppm/°C 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: ±50ppm/°C maximum
Temperature range of -25°C to +70°C

DGH D1600M Modbus Frequency Input Module Series

8 conversions per second
Accuracy: ±0.01% of reading,plus ±0.01Hz
Resolution: ±0.005% of reading, plus ±0.01Hz
Input Impedance: 1MΩ minimum
Span temperature coefficient: ±20ppm/°C
Adjustable hysteresis (1mV to 1V)
Input protection to 250Vac
User-selectable switching level (0V or +2.5V)
Span temperature coefficient: ±50ppm/°C maximum
Temperature range of -25°C to +70°C

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: ±0.02% of FS maximum
Resolution: 0.01% of FS (4 digits)
Common mode rejection: 100dB at 50/60Hz
Zero drift: ±1 count maximum (autozero)
Voltage drop: ±0.1V maximum
Input impedance of ≤±1V input =100MΩ minimum and ≥±5V input =1MΩ minimum
Temperature range of -25°C to +70°C

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: ±0.02% 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: ±1 count maximum (autozero)
Voltage drop: ±0.1V maximum
Temperature range of -25°C to +70°C

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Analog Input / Output

The DGH analog input/output modules are complete data acquisition systems designed for use with PLC’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.

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Analog Input / Output