The D8000 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.  The analog output modules can generate two voltage or current signals for controlling annunciators, valves or any devices requiring an analog signal for control. The digital I/O modules contain fifteen discrete digital input or output bits for sensing contact closures or controlling solid-state relays and annunciators.

The D8000 provides 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.

The D8000 modules communicate through the USB port using the Modbus RTU serial protocol. After the D8000 is connected to a computer, a virtual serial port will be created. The virtual serial port allows any data acquisition program that supports the Modbus RTU serial protocol to communicate with the module. Providing instant connectivity to commercial data acquisition software programs in the marketplace.

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Modbus Scaling Overview

The D8000 USB analog and digital I/O modules can be mounted on a DIN-rail the MK-1 mounting kit.