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Allen Bradley 1756-1B32 - 32-Point 24VDC Isolated Input - Industrial Automation Rugged Hot-Swap Digital Module

Allen Bradley 1756-1B32 - 32-Point 24VDC Isolated Input - Industrial Automation Rugged Hot-Swap Digital Module

MOQ: 1
Price: Negotiable
Standard Packaging: 50*50*50mm
Delivery Period: 3-7
Payment Method: T/T
Supply Capacity: 1/piece in stock
Detail Information
Place of Origin
America
Brand Name
Allen Bradley
Certification
3C
Model Number
1756-1B32
Hardware Type:
I/O Chassis
Application:
Industrial Automation
First End Connector:
RJ45
Update Time:
4.8 Milliseconds
Package:
Original Package
Frame Size:
Frame A
Communication Protocol:
Ethernet/IP
Product No:
1746-A13
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Product Description
1756-1B32 - 32-Point 24VDC Isolated Input - Industrial Automation Rugged Hot-Swap Digital Module
Product Attributes
Attribute Value
Hardware Type I/O Chassis
Application Industrial Automation
First End Connector RJ45
Update Time 4.8 milliseconds
Package Original Package
Frame Size Frame A
Communication Protocol Ethernet/IP
Product No 1746-A13
Product Overview

The Allen-Bradley 1756-IB32 ControlLogix® 32-Point DC Input Module provides high-density digital signal acquisition for industrial control systems. Designed for Rockwell Automation's flagship ControlLogix platform, this module supports 32-channel 24V DC sinking/sourcing inputs with group isolation (8 points per isolated bank).

Critical Technical Specifications
  • Input Channels: 32× 24V DC (sinking/sourcing selectable per 8-point group)
  • Input Voltage: 10-31V DC (ON-state min. 15V DC @ 8mA)
  • Isolation: 1500V AC field-to-backplane, 250V AC group-to-group
  • Response Time: ≤1ms OFF->ON / ≤5ms ON->OFF (software-filter adjustable 0-16ms)
  • Power Consumption: 120mA @ 5.1V DC backplane, 25mA per input (max)
  • Surge Immunity: ±30V continuous tolerance (EN 61000-4-5)
  • Connection System: Removable 1756-TBCH high-density terminal block
  • Environmental: UL Type 1, IP67 with kit
  • Certifications: UL 61010-1, ATEX II 3G, IECEx, SIL 2 (IEC 61508)
Targeted Applications
  • Automotive Plants: Body shop clamp monitoring across 500+ station control panels
  • Warehouse Automation: Photoelectric sensor networks for high-speed parcel sorting
  • Pharmaceutical Packaging: Vial counter inputs with 21 CFR Part 11 compliance
  • Oil & Gas: Wellhead safety valve status feedback in API 14F Zone 2 areas
  • Food Processing: Conveyor jam detection with washdown-rated IP67 terminals
  • Material Handling: Palletizer layer completion switches with SIL 2 diagnostics
  • Renewable Energy: Wind turbine blade pitch limit switches (DNV-GL certified)
Detailed Specifications
Parameter Category Specification / Value
Module Description 32-Point, 24V DC Sinking (NPN) Digital Input Module
Number of Points 32 (Grouped in 8-Point Commons)
Input Type DC Sinking (Current Sinking to Common)
Operating Voltage 24V DC Nominal (10-31V DC Operational)
Input Current 2-8 mA @ 24V DC (Typical)
On-State Voltage ≤ 10V DC
Off-State Voltage ≥ 30V DC
Response Time On Delay: ≤ 1 ms
Off Delay: ≤ 10 ms (Configurable per Point)
Backplane Current 5V DC: 100 mA max
24V DC: 25 mA max
Isolation Point-to-Point: None
Point-to-Backplane: 500V AC
Point Grouping 4 Groups (8 Points/Group) with Independent Commons (V-)
Status Indicators Per Point: Green (Active)
Module: Green (OK), Red (Fault)
Filtering Configurable (0.1-20 ms per Group)
Surge Protection 35V Peak Transient Suppression
Connection Type Removable Terminal Block (1756-TBCH)
Wire Size 0.5-2.5 mm² (20-14 AWG)
Terminal Torque 0.8 N*m (7 lb-in)
Operating Temperature 0°C to 60°C (32°F to 140°F)
Common Mode Rejection 150V AC (60s Continuous)
Certifications cULus (UL 508), CE, ATEX/IECEx Zone 2, RoHS
Compatible Chassis 1756-A4/A7/A10/A13/A17
Backplane Slot Width 1 Slot
Dimensions (H × W × D) 135 × 45 × 115 mm (5.3 × 1.8 × 4.5 in)
Weight 0.45 kg (1.0 lb)
Packaging & Shipping
Allen Bradley 1756-1B32 - 32-Point 24VDC Isolated Input - Industrial Automation Rugged Hot-Swap Digital Module 0
Company Information

Xiamen ZhiCheng Automation Technology Co., Ltd is a leading global supplier of control system components. We specialize in control systems and drives.

With many years of experience in the industrial sector, we consistently deliver the highest quality of spare parts.

We are major in PLC, Sensors, HIM, Transmitters.

Best Supply Brands As Following: Bently nevada, +GF+, Rosemount, ABB, Allen-Bradley, Foxobro.

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