This document is the operating instructions for the OTT netDL series IP data loggers, providing information on how to use the product, connect sensors, and set operating parameters.
These operating instructions describe the OTT netDL IP datalogger series, including the netDL 500 and netDL 1000 models. They cover safety requirements, installation steps, wiring of various sensor interfaces (RS‑485, SDI‑12, pulse, voltage, current, PT100, etc.), and connection of power, GSM antenna, and Ethernet.
The manual also explains how to set operating parameters, use the observer functions, read and export measured data, update firmware, manage alarms, protect the unit with a password, and perform maintenance and disposal. Technical data and a declaration of conformity are provided in the appendix.
| Physical input channels | 4 (RS‑485, SDI‑12, pulse/status) |
|---|---|
| Measurement memory | 4 MB |
| Power supply voltage limit | < 28 V DC |
| Expansion card slots | 2 (netDL 500) or 3 (netDL 1000) |
The unit can operate between –40 °C and +70 °C (for versions B… and C… the range is –30 °C to +70 °C).
Firmware updates are described in Chapter 12 "Updating the OTT netDL firmware" of the operating instructions.