Description
Overview
The Allen-Bradley 1756-IB32 Digital Input Module provides a reliable and efficient solution for managing 32 digital inputs in a variety of industrial automation applications. It is ideal for connecting sensors, switches, and other devices to your programmable logic controller (PLC) system.
With a wide operating voltage range of 10-31.2V DC, the 1756-IB32 offers versatility in different electrical environments. It is part of the Allen-Bradley ControlLogix family and features modular construction for easy integration into existing systems.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Allen-Bradley |
| Model | 1756-IB32 |
| Inputs | 32 (16 points/group) |
| Voltage Category | 12/24V DC sink |
| Operating Voltage Range | 10…31.2V DC |
| Nominal Input Voltage | 24V DC |
| Input Delay Time (Off to On) | 380 µs max + user-selectable filter (0 ms, 1 ms, or 2 ms) |
| Input Delay Time (On to Off) | 420 µs max + user-selectable filter (0 ms, 1 ms, 2 ms, 9 ms, or 18 ms) |
| Current Draw @ 5.1V | 120 mA |
| Current Draw @ 24V | 2 mA |
| Power Dissipation Max | 6.2 W @ 60 °C (140 °F) |
| Thermal Dissipation | 21.1 BTU/hr @ 60 °C (140 °F) |
| Off-state Voltage Max | 5V |
| Off-state Current Max | 2.27 mA |
| On-state Current Min | 4.8 mA @ 10V DC |
| On-state Current Max | 5.5 mA @ 31.2V DC |
| Inrush Current Max | 250 mA (decaying to < 37% in 22 ms, without activation) |
| Input Impedance Max | 5.67 kΩ @ 31.2V DC |
| Cyclic Update Time | 200 µs to 750 ms |
| Time Stamp of Inputs | ±200 µs |
| Isolation Voltage | 250V (continuous), reinforced insulation type, inputs-to-backplane |
| Module Keying | Electronic, software configurable |
| Reverse Polarity Protection | Yes |
| Vibration (Operating) | 2 g @ 10 to 500 Hz (IEC 60068-2-6, Test Fc) |
| Shock (Operating) | 30 g (IEC 60068-2-27, Test Ea) |
| Shock (Nonoperating) | 50 g (IEC 60068-2-27, Test Ea) |
| Enclosure Type | None (open-style) |
| Relative Humidity | 5 to 95% non-condensing (IEC 60068-2-30) |
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