DGH Corporation
DGH manufactures sensor-based data acquisition hardware for remote and distributed systems.
- (603) 622-0452
- (603) 622-0487
- information@dghcorp.com
- 850 Perimeter Rd.
Manchester, NH 03103
United States
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product
Digital I/O Products
Digital I/O series products provide computer monitoring of digital input and digital output signals for control of industrial devices through solid state relays.
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Modbus RTU Analog Input
Provide direct connection to a wide variety of sensors to any host with an RS232 or RS485 port. The modules perform all signal conditioning, scaling, linearization, and A/D conversion. They each contain some discrete digital I/O lines and can measure signals such as:
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Ethernet Modules
The Ethernet Module supports a wide range of network protocols together with a standard RJ-45 Connector. Windows software is provided for testing and monitoring of the various I/O points. The Ethernet Module is compact and easily mounted in existing controllers or new designs for easy network connectivity.
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Analog & Digital I/O Modules
USB analog and digital I/O modules are a complete family of data acquisition modules for use in process control systems. The analog input modules can measure process signals such as DC voltage, thermocouples, 4-20mA current loops, discrete contact closures.
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Analog Output Modules
D3000/4000
The DGH D3000/4000 series are complete computer-to analog output modules. They communicate, in ASCII, with RS-232 and RS-485 serial ports. Simple ASCII commands are used to control a 12-bit DAC (Digital-to-Analog Converter) which is scaled to commonly used current and voltage ranges.
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Serial Converter
USB-COMi
The USB-COMi is a USB to RS485 serial converter. It allows easy serial port expansion without requiring IRQ, DMA, or I/O port resources. The converter allows the user to easily and economically connect RS485 devices to a host using USB. The RS485 communications standard is used by DGH sensor based data acquisition modules and many industrial control devices.
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Analog Input Modules
The modules provide direct connection to a wide variety of sensors and annunciators. They perform all signal conditioning and linearization and contain no pots or DIP switches. All user-selectable settings, such as ranges are stored in nonvolatile EEPROM, which maintains these values even after power is removed.
