Aalborg Instruments Smart Digital Command Module SDPROC3D2NAL

The Smart Digital Command Module (part number SDPROC3D2NAL) from Aalborg Instruments is a microprocessor-driven device designed for use with analog or digital mass flow controllers that utilize 0-5 Vdc input/output signals. It supports configurations of one to four channels and includes a 24x2 alpha-numeric dot matrix display, four control buttons, and integrated power supplies. This module features an easy-to-navigate programming interface with a modular menu structure, allowing users to access functions quickly. It includes standard RS-232 serial communication via a 9-pin ,ÄúD,Äù connector, and an optional Ethernet interface for remote access through a web browser or TELNET console. The device supports programmable batch flow control with up to sixteen steps, programmable timer flow control with up to 96 steps, and ratio flow control for mixtures of up to four gases. The module also includes customizable flow alarms, totalizer functionality for tracking gas volume, and user-selectable reference points for set point signals. It operates on a power supply range of 85 to 240 VAC and features a variety of engineering units for flow measurement. The dimensions are 7.75" x 6.75" x 4.5", and it weighs 4.5 lbs.