Manufacturer Part #: I-7022
The I-7022 from ICP DAS is a PC-based data acquisition module with dual channel analog output and 12-bit resolution and current read-back function. The module is addressable, giving up to 256 units to be linked together through a two-wire RS-485 serial connection. Along with data acquisition and control, the I-7022 can also be remote control by a set of commands.
Other basic features include: 3000 VDC isolated analog output. Programmable Power On Value of analog output. Programmable slew rate, and software calibration.
Below the Pin Assignment and Block Diagram pictures below, there is also a PDF of the user's manual you can download that includes a full list of command functions.
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Pin Assignment
Block Diagram
Look at the PDF manual here.