Allen-Bradley 1756-IB32 SER.B ControlLogix DC Input Module 24VDC

Allen‑Bradley 1756‑IB32 Series B is a high‑density digital DC input module for ControlLogix systems, designed to monitor up to 32 sinking 24 VDC input signals with fast response and reliable diagnostics in industrial automation environments. Product Type: Digital DC Input Module Manufacturer: Allen‑Bradley (Rockwell Automation) Manufacturer Series: ControlLogix Manufacturer Part Number: 1756‑IB32 Series: B Country of Manufacture: USA Input Type: Digital DC, sinking (current sinking) Number of Inputs: 32 Operating Voltage Range: 10 to 31 VDC Nominal Input Voltage: 24 VDC Input Current: Approx. 2.5 mA @ 24 VDC Input Delay Time ON: Approx. 1 ms Input Delay Time OFF: Approx. 1 ms Input Grouping: 16 points per group Number of Groups: 2 Isolation Voltage: 250 V continuous between groups and backplane Terminal Type: 36‑pin removable terminal block (RTB) Compatible RTBs: 1756‑TBCH, 1756‑TBNH Status Indicators: Individual LED per input point Module Diagnostics: Channel‑level and module‑level diagnostics Backplane Current (5.1 VDC): Approx. 200 mA Backplane Current (24 VDC): Approx. 2 mA Mounting Type: ControlLogix chassis mounted Chassis Compatibility: 1756 ControlLogix chassis Operating Temperature Range: 0 to +60 °C Storage Temperature Range: −40 to +85 °C Relative Humidity: 5–95% non‑condensing Certifications: UL, CSA, CE, c‑UL‑us Typical Applications: PLC input monitoring, sensors, pushbuttons, limit switches, industrial control and automation systems