The Allen-Bradley 1756-IB32 is a 32-point digital DC input module for the ControlLogix platform. Its core function is to receive digital signals (24V DC typical) from field devices such as pushbuttons, limit switches, and proximity sensors, and convert them into logic states for the controller to process. It features a high-density design with 32 inputs in a single slot, making it suitable for applications that require monitoring numerous discrete signals.
Item No :
1756-IB32Order(MOQ) :
1Payment :
EXWProduct Origin :
USAShipping Port :
Wuhan, Hubei, ChinaLead Time :
3-5 daysWeight :
0.5kgProducts Description
Allen-Bradley 1756-IB32 ControlLogix Digital DC Input Module 10-31V DC Operating Voltage Range, 32 Points Sink (36 Pin), 16 Points/Group
| Model Number | 1756-IB32 |
| Place of Origin | USA |
| Dimension/Weight | 0.5 kg |
| Condition | new and original |
| Warranty | 1 year |
| Shipping term |
DHL Fedex TNT EMS UPS |
| Payment | TT / Western Union |
| Delivery Time | 3-5 days |
| Service |
24 Hours Online Service |
Packing&Delivery
In order to save the freight and reduce your budget, we choose the packaging for environment-friendly. We use foam board with 3 cm thick to fill in all around the box inside to protect parts, then use carton to pack the parts, but if they are too heavy, we will customized the wooden box for them.Shipping term DHL Fedex TNT EMS UPS.
Main Specifications
| Item | Specifications / Features |
|---|---|
| Number of Inputs | 32 points, arranged as 2 groups of 16 inputs each |
| Input Voltage Range | 10-31.2V DC (nominal 24V DC sink) |
| Input Current | 2 mA at 24V DC (on-state) |
| Input Delay (Off → On) | 380 µs hardware + user-selectable filter (0, 1, or 2 ms) |
| Input Delay (On → Off) | 420 µs hardware + user-selectable filter (0, 1, 2, 9, or 18 ms) |
| Isolation | 250V continuous (inputs-to-backplane reinforced; input group-to-group basic) |
| System Platform | Allen-Bradley ControlLogix 1756 chassis |
| Power Consumption | 120 mA at 5.1V DC; 2 mA at 24V DC; 6.2W dissipation max |
| Thermal Dissipation | 21.1 BTU/hr @ 60°C |
| Compatible RTBs | 1756-TBCH (screw clamp) or 1756-TBS6H (spring clamp) 36-pin RTB |
| Operating Temperature | 0-60°C |
| Storage Temperature | -40...85°C |
| Weight | Approx. 0.23-0.34 kg (0.50-0.75 lbs) |
High-Density, Space-Saving Design: The module's standout feature is its ability to pack 32 input points into a single slot, offering a high channel count that optimizes valuable chassis space for large-scale discrete input applications.
Wide Voltage Range and Sink Input: With an operating voltage range of 10-31.2V DC, the module provides flexibility to work with various 12V and 24V DC field devices. It is a sink input module, requiring the field device to supply a positive DC voltage to the input terminal for activation .
Reliable Design for Industrial Environments: The module is designed with 250V continuous isolation to protect the backplane from field-side transients . It also features a user-configurable input filter, allowing you to select timing to debounce switch contacts or reject electrical noise . It is rated for a wide operating temperature range of 0-60°C .
Seamless ControlLogix Integration: As a native 1756-series module, it installs directly into the ControlLogix chassis and is fully integrated with the Studio 5000 environment, providing seamless configuration and diagnostics .
The 1756-IB32 is widely used for high-density monitoring of digital signals in various industries, including:
General Industrial Automation: Monitoring pushbuttons, selector switches, and limit switch status on conveyor systems, packaging machines, and assembly lines .
Process Control: Interfacing with level switches, pressure switches, and other discrete sensors in process monitoring applications.
Material Handling: Reading status from proximity sensors for product positioning and counting.
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