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Xiamen ZhiCheng Automation Technology Co., Ltd

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China 1756-IB32/B - 32-Point 24VDC Isolated Input - Industrial Rugged Hot-Swap Digital
China 1756-IB32/B - 32-Point 24VDC Isolated Input - Industrial Rugged Hot-Swap Digital

  1. China 1756-IB32/B - 32-Point 24VDC Isolated Input - Industrial Rugged Hot-Swap Digital
  2. China 1756-IB32/B - 32-Point 24VDC Isolated Input - Industrial Rugged Hot-Swap Digital
  3. China 1756-IB32/B - 32-Point 24VDC Isolated Input - Industrial Rugged Hot-Swap Digital

1756-IB32/B - 32-Point 24VDC Isolated Input - Industrial Rugged Hot-Swap Digital

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  2. Price: Negotiable
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Payment Terms T/T
Supply Ability 1/piece in stock
Delivery Time 3-7
Packaging Details 50*50*50mm
Product Type Analog Input Module
Special Characteristic Standard
Condition NEW
Package Origin
Power Supply 24V DC
Input Frequency Range 50 kilohertz
Voltage N/A
Atex Temp Code T4
Brand Name Allen Bradley
Model Number 1756-IB32/B
Certification 3C
Place of Origin America

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T Supply Ability 1/piece in stock
Delivery Time 3-7 Packaging Details 50*50*50mm
Product Type Analog Input Module Special Characteristic Standard
Condition NEW Package Origin
Power Supply 24V DC Input Frequency Range 50 kilohertz
Voltage N/A Atex Temp Code T4
Brand Name Allen Bradley Model Number 1756-IB32/B
Certification 3C Place of Origin America
High Light industrial allen bradley moduleindustrial allen bradley plcStandard allen bradley module

​1.Product Overview

The ​Allen-Bradley 1756-IB32/B ControlLogix® 32-Point DC Input Module​ delivers high-density digital signal acquisition for industrial automation systems. Designed for Rockwell’s ControlLogix platform, this ​Series B​ module supports ​32 sinking/sourcing 24V DC inputs​ grouped into ​four isolated banks​ (8 points/bank). Its ruggedized anodized aluminum housing (–40°C to +70°C) achieves ​NEMA 4X/IP67 protection​ with corrosion-resistant hardware, ideal for washdown or chemical environments. Integrated ​per-channel LED diagnostics, electronic keying, and ​Studio 5000®-configurable filters​ (0–16ms) ensure precise event capture and noise immunity for critical processes.


​2.Critical Technical Specifications

Precision performance metrics:

  • Input Type: 32× 24V DC (sinking/sourcing selectable per bank)
  • Voltage Range: 10–31V DC (ON-state min: 15V DC @ 8mA)
  • Isolation: 300V AC bank-to-bank / ​1,500V AC field-to-backplane
  • Response Time: ≤1ms OFF→ON / ≤5ms ON→OFF (software-adjustable)
  • Surge Protection: ±30V continuous (EN 61000-4-5)
  • Power Consumption: 120mA @ 5.1V DC backplane
  • Termination: 16-point ​1756-TBCH/B screw terminal​ (14–22 AWG)
  • Environmental: 15g shock / 5g vibration (IEC 60068-2)
  • Certifications: SIL 2 (IEC 61508), ATEX II 3G Ex ec IIC T80°C Gc

​3.Targeted Applications

Mission-critical monitoring systems:

  • Automotive Assembly: Robotic weld cell E-stop chains meeting ISO 13849 PL e
  • Pharmaceutical Packaging: GMP-compliant vial counter inputs (21 CFR Part 11)
  • Material Handling: High-speed conveyor jam detection with <5ms response
  • Oil & Gas: SIL 2-rated wellhead valve monitoring (API 14F Zone 2)
  • Food Processing: Washdown-ready proximity sensors (IP69K terminals)
  • Energy: Turbine lube oil pressure switch networks
  • Water Treatment: Flood-resistant pump station control cabinets

​4.Competitive Advantages

Operational differentiators:

  • PointFault™ Technology: Detects open wires/shorts ​​<2ms per channel
  • Safety Integration: SIL 2 compliance without external relays
  • High-Density Design: 32 inputs in single slot (50% denser​ than competitors)
  • Hot-Swap Terminals: Replace wiring in ≤3 minutes without powering down
  • Wide Temperature Operation: –40°C cold start for Arctic mining/offshore
  • Data Integrity: ​1μs timestamp resolution​ for event sequencing
  • Lifecycle Economy: 10-year service life & FRAM backup memory
  • Studio 5000® Efficiency: Auto-configuration via Add-On Profiles

​5.Functional Capabilities

Advanced diagnostics and control:

  • Adaptive Filtering: Software-configurable noise rejection (0.1–16ms)
  • Latch-On-Transient: Captures pulse events as short as ​100μs
  • Redundant Mirroring: Syncs data to backup PLCs via ​Produced/Consumed tags
  • Thermal Monitoring: Auto-derates at >60°C with predictive alerts
  • Force/Lock Functions: Maintenance overrides directly from HMI
  • NAMUR Compatibility: Directly interfaces with ​Ex ia/ib sensors
  • Load Diagnostics: Real-time current monitoring (±5mA accuracy)
  • Firmware Security: Signed updates prevent tampering

 

 

 

 

 

 

 

 

Key Parameter Specification/Description
Manufacturer Allen-Bradley (Rockwell Automation)
Series/Platform ControlLogix®
Module Type 32-Channel Sinking Digital Input
Part Number 1756-IB32/B (Revision B)
Input Channels 32 (Grouped in 16-point banks with common terminals)
Input Type Sinking (Dry Contact / DC Switching)
Voltage Range 10-31V DC (Operational)
5-31V DC (Turn-On)
0-5V DC (Turn-Off)
Input Current (On-State) 8 mA @ 24V DC typical
Minimum Signal Duration 10 ms (Configurable via software)
Input Impedance 3.3 kΩ per channel
Isolation Voltage 1500V AC rms (Field-to-backplane)
250V AC rms (Channel-to-channel)
On-State Delay 0.2-10 ms (Configurable per bank)
Off-State Delay 0.2-10 ms (Configurable per bank)
Backplane Current (5V DC) 200 mA max
Status Indicators Per channel: Green (Input Active)
Per bank: Red (Fault)
Connection Type Removable 36-pin screw terminal block (1756-TBCH/B required)
Wiring Category Cat 2 (IEC 61131-2)
Surge Protection 30V DC max for 50 ms
Operating Temperature 0°C to 60°C (32°F to 140°F)
Power Dissipation 4.8W max
Fault Diagnostics Wire break detection (per channel)
Overvoltage shutdown (per bank)
Certifications cULus Listed, CE, ATEX/IECEx Zone 2, IEC 61131-2
Compatible Controllers ControlLogix 556x/557x/5580
Requires Studio 5000 v20+
Chassis Slots 1-slot
Response Time ≤ 1 ms (State change to backplane notification)
Filtering Configurable 0.1/0.5/1/2/4/8/16 ms (Per bank)
PointBus Support Yes (I/O data mapping via ControlNet/EtherNet/IP)
Product Status Active Production (Legacy product - verify replacement 1756-IB32I for isolated channels)

 

 

 

 

 

 

 

 

Packaging & Shipping

 

 

Company Information
Xiamen ZhiCheng Automation Technology Co., Ltdit is a leading global supplier of control system components. We specialize in control systems and drives.
more about us , u can view our official web:http://www.zcsensors.com/follow us :

1)https://www.facebook.com/Sensors-and-transmitters-1883785301860678/?ref=aymt_homepage_panel&boosted_auto_open=BOOSTED_PAGELIKE

2)https://www.linkedin.com/in/z-csensorcenter/detail/recent-activity/shares/


With many years of experience in the industrial sector, we consistently deliver the highest quality of spare parts.which make sure that all this jobs are

 

perfectly.

 

 

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


Best Supply Brands As Following:1)Bently nevada.2)+GF+.3)Rosemount.4)ABB.5)Allen-Bradley.6)Foxobro.Good working environment, perfect team, sincere cooperation →→ Achieve u and our success !!!

 

Company Details

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 from Quality China Factory
  • Business Type:

    Manufacturer,Agent,Exporter,Trading Company

  • Year Established:

    2017

  • Total Annual:

    3000000-5000000

  • Employee Number:

    100~120

  • Ecer Certification:

    Verified Supplier

Xiamen Zhicheng Automation Technology Co., Ltd. Still Working And Able To Shipping Worldwide. We Are The Supplier For Industrial Automation Spare Parts. we Specialize In Plc Module, Dcs Card Pieces, Esd System Card Pieces, Vibration Monitoring System Card Pieces, Steam Turbine Control System M... Xiamen Zhicheng Automation Technology Co., Ltd. Still Working And Able To Shipping Worldwide. We Are The Supplier For Industrial Automation Spare Parts. we Specialize In Plc Module, Dcs Card Pieces, Esd System Card Pieces, Vibration Monitoring System Card Pieces, Steam Turbine Control System M...

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Get in touch with us

  • Reach Us
  • Xiamen ZhiCheng Automation Technology Co., Ltd
  • 903-3, building F02, phase III Software Park, Jimei district, Xiamen city,CHINA
  • https://www.sensor-industrial.com/

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