TRICONEX 3706A Analog Input Module

TRICONEX 3706A
Brand: TRICONEX (Schneider Electric / Invensys)
Model / Order No.: 3706A
Product Name: 32-Channel Differential Thermocouple Analog Input Module (TMR Safety I/O Module)
Country of Origin: United States
HS Customs Code: 8537109090

Technical Parameters
Overall Dimension: 273mm × 213mm × 25mm
Net Weight: 1.40kg
Power Supply Input: Internal backplane 5VDC bus power supply from Tricon rack; no extra external AC/DC power wiring required
Field Signal Input:1. Total 32 differential isolated thermocouple input channels; compatible TC types: J, K, T, E, N, R, S, B
2. Measuring temperature range: -200℃ ~ +1800℃ based on thermocouple classification
3. Channel input impedance ≥22MΩ DC; continuous input overvoltage protection up to 110VAC per channel
4. 1500VAC galvanic isolation between channel-to-channel and channel-to-ground
5. Automatic per-channel cold junction compensation range: 0℃ ~ 60℃
Internal Data Output:1. 16-bit digital converted data output to three independent TMR core circuits for median voting processing
2. Backplane parallel digital bus output to Tricon main processor, max input scan update rate:50ms
Precision & Anti-interference: Full-scale accuracy ≤±0.25%; common mode rejection ≥-85dB @0~60Hz
Environmental Rating: Operating temperature -40℃ ~ +70℃; storage temperature -40℃ ~ +85℃; non-condensing humidity 5%~95%
Installation: Standard Tricon series rack card slot plug-in mounting