Siemens 7ND4421-1AA01-1AA1

The Siemens catalog number 7ND4421-1AA01-1AA1 is a SIREC D300 display recorder designed with a compact 144 x 144 mm front panel. This versatile device is suitable for a wide range of industrial applications, offering reliable data recording with a scanning rate of 100 milliseconds for measurements such as mA, voltage, and mV signals. It features multiple communication options on the rear, including Ethernet, RS485, and USB interfaces, while the front panel provides convenient access to a CF card slot and an additional USB port. The unit operates on a power supply ranging from 90 to 240 V AC at 50 or 60 Hz, without requiring transmitter power. Distributed by BSP Automation, this recorder combines flexibility and precision, making it a practical choice for monitoring and recording process signals in various automation environments.