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The 1791P-0B16P I/O module is a distributed I/O module from the Allen-Bradley/Rockwell Automation CompactBlock I/O 1791P series. It is designed to be a standalone I/O module rated at 24 Volts DC voltage. The 1791P-0B16P distributed I/O module communicates with other devices through the Profibus DP link. This module has 16 I/O channels and it should be installed in a secondary enclosure for protection. The 1791P-0B16P distributed I/O module can be used in industrial environments with a Pollution Degree 2 pollution rating if it is properly enclosed and protected.
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| Manufacturer | Allen Bradley |
|---|---|
| Category | PLCs |
| Product Line | CompactBlock I/O 1791P |
| Part Number | 1791P-0B16P |
| Weight | 3.00 lbs (1.36 kg) |
| Input Count | 0 |
| Output Count | Groups of 4 or 8 |
| Input Type | N/A |
| Output Type | Sourcing |
| Input Off-state Voltage | N/A |
| Input On-state Voltage | N/A |
| Input Off-state Current | N/A |
| Input On-state current | N/A |
| Output On-state Voltage Range | 10-30V DC |
| Output On-state Current | 0.5A Max. |
| Enclosure | IP20 |
| Power | 24V DC |
| Product Lifecycle Status* | Discontinued/Obsolete |
* The Allen Bradley 1791P-0B16P has been discontinued by the manufacturer, however we specialize in obsolete parts and can likely still supply surplus and/or refurbished replacement 1791P-0B16P units instead of migration.
The Allen-Bradley 1791P-0B16P is a 16-point CompactBlock sourcing output module for the PROFIBUS DB. You can group together 4 or 8 outputs in a single block. Per-output, its maximum module current is 0.5 amps and its maximum surge current for 10 seconds of 1 amps is repeatable every 2 seconds. In its on-state, it has a voltage range of 10 to 30 Volts DC, it has a maximum current of 0.5 amps, and it has a voltage drop of 0.5 Volts DC at the rated current. The off-state leakage of the 1791P-0B16P module is a maximum of 0.5 amps. It comes with its own PROFIBUS adapter and requires installation on a secondary enclosure. Features of this module include autobaud detection and a hardware watchdog function. The hardware watchdog function provides real-time information about microprocessor condition. This feature will tell you if there are any failings or damage occurrences on the microprocessor. The autobaud detection matches system baud rate automatically so there will be no crash because of an incorrect baud setting.
The 1791P-0B16P is compatible with any PROFIBUS DP scanner. This block I/O needs to be installed in a secondary enclosure. This block I/O is designed to be easy to use and is also optimized for high-speed communication and inexpensive installation. The 1791P-0B16P has various features to support the application of this module such as a removable terminal block. The removable terminal block feature allows you to install or connect any wirings to this block easily. This I/O block also has a built-in PROFIBUS adapter so you do not have to buy a separate PROFIBUS adapter. The 1791P-0B16P is certified with several certifications such as cUL and CE certifications.
| Revision Part # | Also known as | |
|---|---|---|
| 1791P-0B16P Ser A | 1791P-0B16P/A, Series A, Rev A | |
| Don't see your particular revision? Contact us now. | ||
Yes, the 1791P-0B16P includes a free 2-year DO Supply warranty. You can upgrade to a 3-year warranty at checkout for even more protection.
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Allen-Bradley CompactBlock 16 Point Output Base Block for PROFIBUS DP with N/A input, Sourcing output, and 24V DC power