1756-IB16S | Allen-Bradley ControlLogix 16-Ch 10-30V DC Safety Input
1756-IB16S | Allen-Bradley ControlLogix 16-Ch 10-30V DC Safety Input
1756-IB16S | Allen-Bradley ControlLogix 16-Ch 10-30V DC Safety Input
1756-IB16S | Allen-Bradley ControlLogix 16-Ch 10-30V DC Safety Input
1756-IB16S | Allen-Bradley ControlLogix 16-Ch 10-30V DC Safety Input
1756-IB16S | Allen-Bradley ControlLogix 16-Ch 10-30V DC Safety Input
    1756-IB16S | Allen-Bradley ControlLogix 16-Ch 10-30V DC Safety Input
    1756-IB16S | Allen-Bradley ControlLogix 16-Ch 10-30V DC Safety Input
1756-IB16S | Allen-Bradley ControlLogix 16-Ch 10-30V DC Safety Input
1756-IB16S | Allen-Bradley ControlLogix 16-Ch 10-30V DC Safety Input

1756-IB16S | Allen-Bradley ControlLogix 16-Ch 10-30V DC Safety Input

Part #: 1756-IB16S Manufactured by: Allen-Bradley
Regular price
$816.00
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$816.00
Regular price
5 in Stock
Condition: New-Surplus Original Box
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Product Overview
Allen Bradley 1756-IB16S ControlLogix 16-Channel Sinking 10-30V DC Safety Input Module, 36-Pin
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Product Description P/N: 1756-IB16S

Description / Specifications

Description 

The 1756-IB16S digital safety input module is manufactured by Allen-Bradley to ensure that ControlLogix and GuardLogix control systems operate safely. It comes with 16 inputs which are sinking inputs.

 

Technical Specifications 

 

Condition New / Never Used Surplus
Brand Allen-Bradley
Series ControlLogix
Part Number 1756-IB16S
Manufacturer Rockwell Automation
Product Type Digital safety I/O module
I/O Module Type Input module
Input Type Sinking
Number of Inputs 16
Operating Mode Single-channel point operation mode
Chassis 1756 ControlLogix Chassis, Series C

  

 

Information About 1756-IB16S

The Allen-Bradley/Rockwell Automation 1756-IB16S I/O module is a digital safety module that is designed for the Allen-Bradley ControlLogix line of products. The 1756-IB16S digital safety I/O module can be used in Logix 5000 control systems, but the only kind of chassis that it is compatible with is the Allen-Bradley 1756 ControlLogix Chassis from Series C. Allen-Bradley GuardLogix controllers can also use the 1756-IB16S digital safety I/O module to control the devices that are connected to each other in a GuardLogix control system. This I/O module has 16 sinking inputs and it operates with a voltage range of 18 to 32 Volts DC. It supports the Allen-Bradley 1756 Backplane communication protocol.

The Allen-Bradley/Rockwell Automation 1756-IB16S digital safety I/O module is made for operating in only 1 mode which is the single-channel point operation mode. In this operation mode, all of the input channels are pre-configured and fixed in the single channel point setup. The status of the signal from every input channel in the 1756-IB16S digital safety I/O module can be evaluated and used to activate the safety input data and status.


Manufacturer information

Allen-Bradley, a brand of Rockwell Automation, specializes in manufacturing industrial automation equipment. The product range includes programmable logic controllers (PLCs), motion control systems, safety devices, motor control equipment, automation software, and HMI panels. Allen-Bradley products are known for their reliability and integration with other systems.

Frequently Asked Questions about 1756-IB16S
Question: What is the 1756-IB16S used for?
Date Update:28/05/2025
Answer:

The 1756-IB16S is a GuardLogix safety-rated digital input module designed for use in industrial control systems. It provides 16 points of safety-rated input channels and is used in applications requiring SIL 3 or PLe safety levels. It monitors field devices like emergency stop buttons, light curtains, and safety switches.

Question: What are the key specifications of the 1756-IB16S module?
Date Update:28/05/2025
Answer:
  • Input Type: Digital (Sourcing input devices)
  • Input Voltage Range: 10–31.2V DC (nominal 24V DC)
  • Number of Inputs: 16 points
  • Module Type: Dual-channel safety input
  • Safety Rating: SIL 3, PLe (per IEC 61508, ISO 13849-1
  • Response Time: <3 ms typical
  • Backplane Current (5.1V): 170 mA
  • Backplane Current (24V): 120 mA
Question: What is the difference between the 1756-IB16S and a standard input module?
Date Update:28/05/2025
Answer:

Unlike standard digital input modules, the 1756-IB16S supports safety-rated functions. It can detect faults such as short circuits or open wires and is capable of operating in redundant safety systems. It ensures compliance with functional safety standards (SIL 3, PLe), making it suitable for critical machine safety applications.

Question: How do I wire the 1756-IB16S for dual-channel safety inputs?
Date Update:28/05/2025
Answer:

Each input channel on the 1756-IB16S can be configured as a single or dual-channel input. For dual-channel configurations, two terminals (e.g., I0 and I1) are connected to redundant contacts of a safety device. Both signals must be consistent for the input to be considered valid, enhancing fault detection.

Question: Is the 1756-IB16S compatible with Studio 5000 and GuardLogix controllers?
Date Update:28/05/2025
Answer:

Yes, the 1756-IB16S is fully compatible with Studio 5000 Logix Designer software and must be used with a GuardLogix controller for safety applications. Configuration and safety signature generation are done through Studio 5000 to ensure proper integration into a validated safety system.

IQElectro is not an authorized distributor.
QElectro LLC (IQElectro) is NOT an Authorized Distributor or in any way affiliated with Rockwell Automation, Siemens, or any other Manufacturers. IQElectro is NOT an Authorized Dealer of this product. The product may be of older version, date codes, or design than that available from authorized dealers. As IQElectro is not an authorized dealer of this product, the Original Manufacturer's Warranty and Support DO NOT apply. IQElectro sells SURPLUS only and DOES NOT SELL SOFTWARE or FIRMWARE licenses For more detailed information, please refer to the full version of our disclaimer policy Disclaimer Policy.
Description / Specifications

Description 

The 1756-IB16S digital safety input module is manufactured by Allen-Bradley to ensure that ControlLogix and GuardLogix control systems operate safely. It comes with 16 inputs which are sinking inputs.

 

Technical Specifications 

 

Condition New / Never Used Surplus
Brand Allen-Bradley
Series ControlLogix
Part Number 1756-IB16S
Manufacturer Rockwell Automation
Product Type Digital safety I/O module
I/O Module Type Input module
Input Type Sinking
Number of Inputs 16
Operating Mode Single-channel point operation mode
Chassis 1756 ControlLogix Chassis, Series C

  

 

Information About 1756-IB16S

The Allen-Bradley/Rockwell Automation 1756-IB16S I/O module is a digital safety module that is designed for the Allen-Bradley ControlLogix line of products. The 1756-IB16S digital safety I/O module can be used in Logix 5000 control systems, but the only kind of chassis that it is compatible with is the Allen-Bradley 1756 ControlLogix Chassis from Series C. Allen-Bradley GuardLogix controllers can also use the 1756-IB16S digital safety I/O module to control the devices that are connected to each other in a GuardLogix control system. This I/O module has 16 sinking inputs and it operates with a voltage range of 18 to 32 Volts DC. It supports the Allen-Bradley 1756 Backplane communication protocol.

The Allen-Bradley/Rockwell Automation 1756-IB16S digital safety I/O module is made for operating in only 1 mode which is the single-channel point operation mode. In this operation mode, all of the input channels are pre-configured and fixed in the single channel point setup. The status of the signal from every input channel in the 1756-IB16S digital safety I/O module can be evaluated and used to activate the safety input data and status.


Manufacturer information

Allen-Bradley, a brand of Rockwell Automation, specializes in manufacturing industrial automation equipment. The product range includes programmable logic controllers (PLCs), motion control systems, safety devices, motor control equipment, automation software, and HMI panels. Allen-Bradley products are known for their reliability and integration with other systems.

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