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Allen Bradley 1791-N4C2 Analog Block I/O: 4 Inputs, 2 Outputs

Allen-Bradley 1791-N4C2 Analog Block I/O Module with 4 Inputs and 2 Outputs.

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ManufacturerAllen Bradley
Part number1791-N4C2
Inputs 4 Selectable (Voltage/Current)
Outputs 2 Current (0-20mA)
Resolution 14-bit (Inputs), 13-bit (Outputs)
Accuracy 0.1% Absolute
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4 Selectable Analog Inputs 2 Current Outputs (0-20mA) 0.1% Absolute Accuracy 10ms Output Update Rate Compatible with PLC-2, PLC-3, PLC-5/250, SLC DIN Rail or Panel Mount

The Allen-Bradley 1791-N4C2 is a 6-point analog block I/O module designed for precise industrial control and monitoring. It features 4 user-configurable inputs that can be set as voltage or current, and 2 current outputs with a 0-20mA range and 13-bit resolution. This module boasts an absolute accuracy of 0.1% at 25Β°C and a linearity of 0.05%, ensuring high-precision data acquisition. It operates on a 120V AC power supply and offers a 10ms output update rate per channel.

This analog I/O module is ideal for a wide range of applications in industries such as manufacturing, process control, and water treatment. It's commonly used for monitoring sensors like pressure, temperature, and flow, and for controlling actuators or other devices based on process feedback. Its compatibility with legacy Allen-Bradley PLC-2, PLC-3, and PLC-5/250 controllers, as well as SLC family controllers, makes it a flexible choice for both new installations and system upgrades.

Source your Allen-Bradley 1791-N4C2 from Stanlo Automation for reliable surplus industrial parts. As a veteran-owned business, we understand the importance of quality and timely delivery. We offer competitive pricing and a commitment to customer satisfaction, ensuring you get the automation components you need to keep your operations running smoothly.

Inputs4 Selectable (Voltage/Current)
Outputs2 Current (0-20mA)
Resolution14-bit (Inputs), 13-bit (Outputs)
Accuracy0.1% Absolute
Linearity0.05%
Update Rate10ms (Outputs)
Power Supply120V AC
Dimensions6.95H x 2.7W x 3.85D inches
CompatibilityPLC-2, PLC-3, PLC-5/250, SLC
Input Impedance10 Megohms
Output Impedance<1 Ohm
Process Control
Manufacturing
Water Treatment
SCADA Systems
Remote Monitoring
Data Acquisition
PLC-2 PLC-3 PLC-5/250 SLC 5/02
1791N4C2, Allen-Bradley Analog Module, Block I/O 1791-N4C2
The 1791-N4C2 is part of the Allen-Bradley 1791 Block I/O family and serves as a direct replacement for other modules within this series that offer similar analog input/output capabilities.
Expert tip
Ensure proper air gap clearance around the module, especially below it, to maintain operating temperatures within the specified limits, crucial for longevity and performance.
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What are the input and output capabilities of the Allen-Bradley 1791-N4C2?
The 1791-N4C2 features 4 selectable analog inputs that can be configured for voltage or current signals. It also provides 2 current outputs, each capable of delivering a 0-20mA signal with 13-bit resolution.