1756-IB32/B
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1756-IB32/B

1756-IB32 Ser B, Series B, Rev B

Description:  The 1756-IB32 input module is an Allen-Bradley/Rockwell Automation ControlLogix series input module. It is a digital DC type of input module. The 1756-IB32 digital DC input module has 32 input channels that are divided into 2 groups of 16 inputs each. Its voltage category is 12 to 24 Volts DC sink voltage. The 1756-IB32 digital DC input module supports 120 milliamps of rated current draw at 5.1 Volts and 2 milliamps of rated current draw at 24 Volts DC.

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Warranty: 1 year DO Supply Warranty Included
Shipping: Worldwide shipping via UPS, DHL, and TNT
Repairs: We offer repair service for the 1756-IB32.
Exchange: Exchange credit for your defective unit available.
Conditions: We sell preowned surplus and refurbished parts.

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About 1756-IB32/B

The Allen-Bradley 1756-IB32 Series B module is an Allen-Bradley ControlLogix digital DC input module with 32 inputs. Its input voltage range for the sinking inputs is 12 to 24 Volts DC voltage and its operating voltage range is 10 to 31.2 Volts DC voltage. The Allen-Bradley 1756-IB32 Series B module has an input delay time of 420 microseconds plus a selected filter time that the operators can select. This input module’s current ratings are 1.5 milliamps of maximum input current, 5.5 milliamps of maximum operating current, 2 milliamps of minimum operating current, 120 milliamps of backplane current at 5 Volts DC, and 2 milliamps of backplane current at 24 Volts DC. The 32 inputs that The Allen-Bradley 1756-IB32 Series B module has been divided into 2 groups of 16 inputs each.


The Allen-Bradley 1756-IB32 Series B ControlLogix digital DC input module dissipates about 6.2 Watts of power when operating at a temperature of 60 degrees Celsius. This module is protected against reverse polarity. It is partially protected by an open enclosure. This open enclosure does not protect the Allen-Bradley 1756-IB32 Series B module against liquids, debris, and harsh or corrosive chemicals, but it does protect the most essential parts of the module from minor threats. The open enclosure also prevents the operators from touching the live parts of the module and being injured by the voltage. This module also comes with a change-of-state feature that is software-configurable for different applications. The RSLogix 5000 software that the module uses must be version 8.02 or later of the software.

Technical specifications:
Manufacturer:Rockwell Automation
Brand:Allen-Bradley
Part Number/Catalog No.:1756-IB32
Series:ControlLogix
Inputs:32
Module Type:Digital DC Input Module
No. of Inputs:Thirty-Two (32) Inputs
Input Voltage:12-24 Volts DC Sink
Operating Voltage Range:10-31.2 Volts DC
Module Keying:Electronic
Input Delay Time:2 milliseconds plus selected filter time
Maximum Operating Current:5.5 milliamperes
Minimum Operating Current:2 milliamperes at 10 Volts DC
Maximum Input Current, Off-State:1.5 milliamperes
Input Delay Time, OFF to ON:Hardware delay: 380 µs max + filter time
Input Delay Time, ON to OFF:Hardware delay: 420 µs max + filter time
Backplane Current at 5 Volts:120 milliamperes
Power Dissipation (Max):6.2 W @ 60 °C (140 °F)
Backplane Current at 24 Volts:2 milliamperes
Backplane Current at 5.1 Volts:100 milliamperes
Thermal Dissipation:21.1 BTU/hr @ 60 °C (140 °F)
UPC:10612598171306
Removeable Terminal Block(s):1756-TBCH 1756-TBSH