Rio Iptd-999 Jun 2026

A: Search for "IPTD-999 Installation & Operation Manual Rev 4.2" . Avoid generic "IPTD Series" manuals as the 999 has unique DIP switch settings for the thermocouple cold-junction compensation.

A: No. Despite the name "Rio," it is not related to Rio Grande Automation. It is a distinct legacy line. Check the FCC/UL mark on the side for the original OEM (often a contract manufacturer like "Moore Industries" or "Action Instruments"). Rio IPTD-999

| Specification | Detail | | :--- | :--- | | | 24V DC (Range: 18-32V DC) or optional 110V AC legacy module | | Input Signal | Universal: 0-10V, 4-20mA, Thermocouple (Type J/K/T), RTD (PT100) | | Output Signal | Isolated 4-20mA (3-wire) or RS-485 Modbus RTU | | Accuracy | ±0.05% of span (High precision for the era) | | Operating Temp | -40°C to +85°C (-40°F to 185°F) | | Enclosure Rating | IP65 (NEMA 4X) for standalone; IP20 for rack-mounted cards | | Diagnostics | LED status for Power, Signal, and Over-range | | Dimensions | 4.8" x 3.7" x 1.8" (122mm x 94mm x 46mm) | A: Search for "IPTD-999 Installation & Operation Manual