AGM Electronics SPM9000 D4N Data Handler

The AGM Electronics SPM9000 D4N Data Handler is a compact RTU-style data logger that conditions, digitizes, and logs remote analog and digital signals for monitoring and control. It accepts a single analog input (AC/DC/R/Pulse/TC) and handles two dry-contact digital inputs, with a single analog output of 4–20 mA and two dry-contact outputs for local control; data are date/time stamped and stored in 32K bytes of non-volatile memory, with a built-in real-time clock for event- and interval-driven logging. Powered from 9 to 26 VDC (±10%), nominal 300 mW, its enclosure measures 3 x 2.5 inches. Communications are RS-232C or optional RS-485, up to 19200 baud, and the device supports ASCII, Modbus ASCII/Binary, and AB-DF1 slave protocols for integration with PLCs, Modbus networks, and AGM systems. The D4N variant reflects the SPM9000 family’s plug-and-play field wiring with AGM Data Handler connections, enabling straightforward deployment with AGM Integrated Control Stations and other data-handling peripherals.