The Allen-Bradley 1756-IT6I is a high-performance ControlLogix analog input module designed specifically for accurate temperature measurements using thermocouples and millivolt inputs. It is fully compatible with any ControlLogix chassis, whether in a local or remote setup, and supports a variety of thermocouple types including B, E, J, K, R, S, T, N, C, D, and L (TXK/XK), with input ranges from -12 to 78 millivolts and a high-resolution range from -12 to 30 millivolts. With a 16-bit resolution and advanced features such as notch filtering, real-time sampling, and various alarm settings, the 1756-IT6I ensures precise data acquisition, delivering signal conversions in both integer and IEEE 32-bit floating-point modes. Robust in design, it includes 120 Volts AC/DC overvoltage protection, open circuit detection, and impressive noise rejection capabilities, making it an ideal choice for complex industrial applications.
Technical specifications for 1756-IT6I
| Manufacturer | Rockwell Automation |
| Brand | Allen-Bradley |
| Part Number/Catalog No. | 1756-IT6I |
| Series | ControlLogix |
| Inputs | 6 Isolated Thermocouple, 1 CJC |
| Module Type | Analog Thermocouple Module |
| No. of Inputs | Six (6) Point Isolated Thermocouple Inputs |
| Input Resolution | 16 bits -12…78 mV: 1.4 ?V/bit (typical) -12…30 mV: 0.7 ?V/bit (high resolution range)Input Range |
| Backplane Current (24Volts) | 125 milliamps |
| Module Scan Time | 25 ms min floating point (millivolt) 50 ms min floating point (temperature) 10 ms min integer (millivolt)(1) |
| Data Format | Integer mode (left justified, 2s complement) IEEE 32-bit floating point |
| Supported Sensors | B, C, E, J, K, N, R, S, T |
| Backplane Current (5Volts) | 250 milliamps |
| Removeable Terminal Blocks | 1756-TBNH, 1756-TBSH |
| Backplane Current at 24 Volts | 2 milliamperes |
| Power Dissipation (Max) | 4.3 Watts |
| UPC | 10612598172310 |
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