| BRAND | Allen Bradley (Rockwell) |
| Product | 1797-IRT8 |
| Description | FLEX Ex Thermocouple/RTD Input Module |
| Internal code | ONR4727611 |
| Technical specification | Number of Inputs 8 channels IS input type Ex ia IIB/IIC T4 AEx ia IIC T4 Class I, II, III, Division 1 Group A-G T4 IS module type Ex ib IIB/IIC T4 AEx ib IIC T4 Class I, Division 1 Group A-G T4 Input Type Suitable for Pt 100, Pt 200, Ni 100, Ni 120, Ni 200, 10 Cu RTD, thermocouple Type B, E, J, K, N, R, S, T, TXK/XK (L) Configuration via internal bus Signal Input Range 0…485 Ω; -40…100 mV Settling Time to 99% of Final Value 8 ms (mV mode, °F thermocouple) Open RTD Detection Out of range upscale reading Lead Resistance Compensation < 15 W total Transfer Characteristics Accuracy Temperature Effect RTDs: 0.1% of span @ 20 °C, filter cutoff < 1 Hz Thermocouples: 0.1% of span @ 20 °C, filter cutoff < 1 Hz Cold junction compensation = +1 o C 150 ppm/o C (primary range) Indicators 8 red fault indicators 1 green module power indicator |
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