The 1756sc-IF8U is a versatile universal input module crafted by Spectrum Controls, compatible with ControlLogix systems. Renowned for its flexibility, it accommodates a variety of input types, including voltage, current, resistance, RTDs, and thermocouples, supporting a broad range of signal measurements such as thermocouple types (J, K, T, B, E, R, S, N, C) and RTD variants (PT385/3916, Ni618/672), among others. This single-slot module provides an impressive input resolution of 16-21 bits, enhanced by user-selectable digital filters that optimize noise reduction and update speeds. With 1000-Volt DC channel-to-backplane and channel-to-chassis ground isolation, alongside 12.5-Volt DC channel-to-channel isolation, it guarantees robust and reliable performance. The 1756sc-IF8U features advanced data processing with capabilities like user scaling, time stamping, and alarm functions, ensuring cost-effective integration into diverse industrial environments, along with the ease of removal and insertion of modules under power (RIUP). Suitable for operation from 0 to 60 degrees Celsius, it can be mounted directly into a range of ControlLogix chassis, making it a prime choice for those seeking efficiency and scalability in analog signal processing.
Technical specifications for 1756sc-IF8U
| Brand | Allen-Bradley |
| Part Number/Catalog No. | 1756sc-IF8U |
| Manufacturer | Spectrum Controls |
| Compatible Series | ControlLogix |
| Module Type | Universal Analog input module |
| No. of Inputs | Eight (8) universal inputs |
| Slot Width | Single slot |
| Compatible Voltage signal | ±50 mV, ±100 mV, 0-5 V, 1-5 V, 0-10 V, ±10 V |
| Compatible Current signal | 0-20 mA and 4-20 mA |
| Compatible Resistance signal | 0-150, 0-1000, 0-3000 ohms |
| Compatible RTD sensors | PT385/3916, Ni618/672, NiFe518, Cu426 |
| Compatible Thermocouple sensors | J, K, T, B, E, R, S, N, C |
| Resolution | 16-21 bits depending on filter frequency |
| Update Time | 10 Hz, 50 Hz, 60 Hz, 250 Hz, and 1000 Hz |
| Sample time | 0.99 ms, 0.19 ms, 0.13 ms, 0.0.07 ms and 0.04 ms. |
| Input filter frequency | 5 filter frequencies (individually selectable by channel) |
| Overvoltage protection, max | 14.5V DC |
| Overcurrent protection, max | 28 mA continuous; 40 mA, 1 ms, pulsed, 10% duty cycle, maximum |
| Product Type | Analog Input Module |
| Input Type | 8 V, C, TC, or 8 RTD/Res |
| Current Range | 0-20 mA |
| Voltage | 50 mV |
| Electrical Isolation | 12.5 VDC Channel-to-Channel |
| Input Impedance | <250 ohms |
| Backplane Current | 230 mA @ 5V max. |
| Common Mode Rejection | 96 db @ 50/60 Hz |
| Thermal Dissipation | 3 W |
| UPC | 850637004908 |
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