COVID-19 UPDATE: As of Tuesday, April 7th our services are ✓ fully operational. We remain committed to providing reliable service to our customers. For a detailed summary of the additional safety measures we have in place, read more.

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COVID-19 UPDATE: Additional safety measures in place

The global outbreak of COVID-19 has created unique and unprecedented operational circumstances for organizations across the world. As of Tuesday, April 7th, our services are ✓ fully operational. Our team is currently fully ready and capable of fulfilling orders and otherwise carrying out regular operations.

We remain committed to providing reliable service to our customers while doing everything we can to ensure the safety of our customers, partners, and associates. In accordance with recommendations from the World Health Organization (WHO) and the United States Centers for Disease Control (CDC), we have introduced the following special operational procedures to better ensure the health and safety of our customers, partners, and associates:

  • staff are working remotely, where possible;
  • surfaces throughout our facilities are thoroughly cleaned and sanitized frequently;
  • products are thoroughly cleaned before packaging; and
  • staff working in the office are frequently washing their hands and using sanitizing equipment readily available across our facilities.

We understand that the availability of our products is critical to many organizations and services. As we supply equipment for critical infrastructure services, we do not anticipate a situation where we are unable to continue our regular operation. We will be closely monitoring the situation and keeping our operational status up-to-date here, on our website.

CompactBlock I/O 1791D

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'Fast RepairsFast repairs at low costs

The Allen-Bradley/Rockwell Automation CompactBlock I/O 1791D block is a combination of an I/O circuit, a built-in DeviceNet adapter, and a power supply. This block is used when there are space restrictions and where there is the need to have these blocks near sensors and actuators. This series features more than 10 different models that can match any application requirements. Some of these models include 4 sinking input base modules, 8 sourcing inputs, and 8 sinking outputs, and 16 inputs and outputs. The Allen-Bradley/Rockwell Automation CompactBlock I/O 1791D block is compatible with different equipment by using DeviceNet scanners. These are the PLC, SCL or the SoftLogix programmable controllers. 


The CompactBlock I/O 1791D blocks come with a device power range of 10 to 30 Volts DC, a NEMA Type 1 enclosure that is intended for general-purpose protection and it provides a mounting mechanism, short-circuit protection, and it has a compact size that does not require any adapter or power supply. Another important feature of these blocks is their selectable input filters that help the users to choose the best on-to-off delays and the change of state operation that reduces bandwidth usage during operations. The Allen-Bradley/Rockwell Automation CompactBlock I/O 1791D block comes with 3 types of status indicators. These are the logic status indicator, the module status indicator, and the I/O status indicator. Through these indicators, the overall status of the block can be checked easily. The blocks can be mounted side-by-side, on a DIN rail, or directly to a panel. It is recommended to use 14-gauge cables and to install these blocks in a location with temperatures below 60 degrees Celsius.

CompactBlock I/O 1791D Description Stock Level
1791D-0B16P COMPACTBLOCK I/O for DEVICENET Allen-Bradley AB with 16 Sourcing Outputs per Block. New and Used in Stock!
In Stock
1791D-0B16PX COMPACTBLOCK I/O for DEVICENET Allen-Bradley AB with 16 Sourcing Outputs per Block. New and Used in Stock!
In Stock
1791D-0B8P COMPACTBLOCK I/O for DEVICENET Allen-Bradley AB with 8 Sourcing Outputs per Block. New and Used in Stock!
Available Now
1791D-0V16P COMPACTBLOCK I/O for DEVICENET Allen-Bradley AB with 16 Sinking Inputs per Block. New and Used in Stock!
Available Now
1791D-0V16PX COMPACTBLOCK I/O for DEVICENET Allen-Bradley AB with 16 Sinking Outputs per Block. New and Used in Stock!
Available Now
1791D-16B0 COMPACTBLOCK I/O for DEVICENET Allen-Bradley AB with 16 Sinking Inputs per Block. New and Used in Stock!
In Stock
1791D-16B0X COMPACTBLOCK I/O for DEVICENET Allen-Bradley AB with 16 Sinking Inputs per Block. New and Used in Stock!
In Stock
1791D-16V0 COMPACTBLOCK I/O for DEVICENET Allen-Bradley AB with 16 Sourcing Inputs per Block. New and Used in Stock!
Available Now
1791D-16V0X COMPACTBLOCK I/O for DEVICENET Allen-Bradley AB with 16 Sourcing Inputs per Block. New and Used in Stock!
Available Now
1791D-4B0 COMPACTBLOCK I/O for DEVICENET Allen-Bradley AB with 4 Sinking Inputs per Block. New and Used in Stock!
Available Now
1791D-4B4P COMPACTBLOCK I/O for DEVICENET Allen-Bradley AB with 4 Sinking Inputs per Block and 4 Sourcing Outputs per Block. New a...
Available Now
1791D-8B8P COMPACTBLOCK I/O for DEVICENET Allen-Bradley AB with 8 Sinking Inputs per Block and 8 Sourcing Outputs per Block. New a...
In Stock
1791D-8V8P COMPACTBLOCK I/O for DEVICENET Allen-Bradley AB with 8 Sinking Inputs per Block and 8 Sourcing Outputs per Block. New a...
Available Now
CompactBlock I/O 1791D Description Stock Level