Electronic Dual Preset Counter with RS422

Designed for industrial machine and process control applications, the Series 7910 provides a full complement of programmable features including bidirectional counting modes, programmable output logic and hold times, and RS-422 or RS-232 data communications. A unique dual counter mode lets the Series 7910 replace the functions of two predetermining counters in some applications. Two high-speed counting registers with separate calibration factors.