Allen-Bradley 1756IRT8I ControlLogix 8-Point Isolated Temperature Input Module
- Brand
- Allen-Bradley
- Model
- 1756IRT8I
- GEARWELL SKU
- GWP-000001974
- Category
- PLCs & I/O
Key specifications
- Inputs
- 8 isolated channels, configurable for RTD or thermocouple
- Resolution
- 24 bits
- Product type
- ControlLogix isolated RTD/thermocouple input module
- Current draw at 5.1 V
- 200 mA (Series A); 210 mA (Series B)
- Thermocouple types
- B, C, D, E, J, K, N, R, S, T, TXK/XK (L)
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← Back to productsProduct overview
The Allen-Bradley 1756-IRT8I is a ControlLogix isolated RTD/Thermocouple analog input module for the 1756 chassis. It has eight isolated channels that can be set individually for RTD (1…500 Ω up to 8…4000 Ω) or thermocouple (-100…+100 mV, types B, C, D, E, J, K, N, R, S, T and TXK/XK (L)) inputs, with 24-bit sigma-delta conversion. The two 1756-CJC cold junction sensors for thermocouple use are ordered separately. It draws 150 mA at 24V DC from the backplane. Field wiring goes through a 1756-TBCH or 1756-TBS6H removable terminal block, which is ordered separately. ControlLogix I/O modules can sit in any slot of a local ControlLogix chassis or in a remote chassis linked over EtherNet/IP or ControlNet, and their input data and output status can be shared by more than one controller.
Technical reference
| Product name | Allen-Bradley 1756IRT8I ControlLogix 8-Point Isolated Temperature Input Module |
|---|---|
| Brand | Allen-Bradley |
| Model | 1756IRT8I |
| Category | PLCs & I/O |
| Inputs | 8 isolated channels, configurable for RTD or thermocouple |
| Resolution | 24 bits |
| Product type | ControlLogix isolated RTD/thermocouple input module |
| Current draw at 5.1 V | 200 mA (Series A); 210 mA (Series B) |
| Thermocouple types | B, C, D, E, J, K, N, R, S, T, TXK/XK (L) |
| Millivolt input range | -100...+100 mV |
| Total backplane power | 4.6 W (Series A); 4.67 W (Series B) |
| Resistance input range | 1...500 Ω, 2...1000 Ω, 4...2000 Ω, 8...4000 Ω |
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