Model Interpretation

51195156: Material Master Code; -300: Hardware Version Suffix; Belongs to TDC300 UCN I/O Series. Technical Specifications

16-channel high-level analog input; signal specifications: 4-20mA, 0-5V, 0-10V; 16-bit AD sampling accuracy; power supply from the backplane: 5V/24VDC; operating temperature: -25℃ to +70℃, humidity: 5% to 95% without condensation; single card weight approximately 300g; UL and CE industrial certifications.

Interface and communication configuration

The rear card slot is connected to the UCN rack backplane; the front terminal base is connected to the on-site cables; onboard UCN fieldbus, achieving high-speed data interaction with the controller; panel RUN/Fault fault indicator light, hardware channel open circuit self-check alarm. Core function

Multi-channel analog signal acquisition of on-site pressure, flow and level transmitters; signal isolation for anti-interference; single-channel failure isolation does not affect the other channels; card failure is diagnosed and alarmed by the upper computer system; supports hot-swappable replacement of modules while the rack is powered on. Applicable scenarios

Expansion of on-site analog quantity collection for the TDC300 system cabinets of old oil refining, chemical, and thermal power plants, replacement of old cards with spare parts.

User and maintenance instructions

Select shielded twisted-pair cables for on-site signal lines, and perform single-point grounding for the cabinets; keep the wiring away from the power cables of the frequency converters; conduct quarterly inspections to ensure the tightness of terminal connections; for discontinued models, prioritize the use of refurbished spare parts from disassembly, and verify the channel accuracy before installing them; in humid chemical environments, regularly perform dust removal and moisture prevention.