Allen-Bradley 1791-N4C2 Block I/O Analog Input/Output Module
$123.00
$320.00
Description
Allen-Bradley 1791-N4C2 Block I/O Analog Input/Output Module
The Allen-Bradley 1791-N4C2, also cataloged as the 1791-N4C2 Block I/O Analog Module, operates as a dedicated hardware component for analog signal acquisition and output regulation within 1791 Block I/O control platforms. The module provides four selectable analog inputs and two analog outputs.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1791-N4C2 |
| Brand | Allen-Bradley |
| Origin | United States |
| Weight | 1.19 lbs |
| Power Consumption | 16.9 W maximum |
| Product Line | 1791 Block I/O |
| Module Type | Analog Input/Output Combination Module |
| Number of Channels | 6 |
| Input Channels | 4 analog inputs |
| Output Channels | 2 analog outputs |
| Input Type | Selectable analog current/voltage inputs |
| Output Type | Analog current/voltage outputs |
| Output Impedance | Less than 1 ohm |
| Update Rate per Channel | 10 ms |
| Supply Voltage | 120 VAC |
| Power Supply Type | AC supply power |
Profinet and EtherNet/IP Deterministic Network Integration
The 1791-N4C2 applies Allen-Bradley industrial control architecture principles for analog I/O density scaling within Block I/O systems. The module combines four analog input channels and two analog output channels in a single field I/O block, reducing the number of separate signal interface components.
System integration requires verification of controller compatibility, I/O configuration parameters, and firmware flash compatibility between connected Allen-Bradley control hardware. Analog signal performance depends on correct channel configuration, field wiring practices, and grounding methods.
The module processes analog current and voltage signals through selectable input channels and provides analog output channels with low output impedance characteristics for connected control devices.
Frequently Asked Questions
Q: How many analog channels are available on the 1791-N4C2?
A: The module provides six analog channels consisting of four analog input channels and two analog output channels.
Q: What type of analog signals can the module handle?
A: The module supports selectable analog current and voltage inputs and analog current and voltage outputs.
Q: What is the specified channel update rate?
A: Each channel has an update rate of 10 ms according to the available technical specifications.
Field Installation Guidelines
Install the 1791-N4C2 according to the mechanical requirements of the Block I/O installation environment. Verify the 120 VAC supply connection and confirm wiring polarity and terminal assignments before energizing the module.
Analog signal wiring should be routed separately from high-voltage power conductors and electromagnetic interference sources. Use appropriate shielding and grounding methods according to the control system design requirements.
Before commissioning, verify each analog input channel scaling, output signal response, and controller I/O configuration. Confirm that field devices produce expected signal values before placing the module into normal operation.
Features
Minimum Order Quantity (MOQ)
We welcome bulk orders and have a minimum order quantity of just one unit.
Certificates and Documentation
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
Delivery Time
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
Payment Methods
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
Warranty
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Refund and Return Policy
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
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