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We provide 1 year warranty for all remaining parts.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.
Amikon offers a wide range of components, products and services related to industrial automation. We have a large surplus of stocks and are also distributors of new products from a variety of quality manufacturers.
Technical specifications for 1771-NIS
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Product Model1771-NIS
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Spare Model1771-NIS/A, 1771-NIS/B, 1771-NIS/C
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Product Parameters1771 Analog Module
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Tariff Code8537101190
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Country of originUSA
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Place of shipmentXiamen, China
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Estimated Shipping Size3x15.2x25.8cm
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ManufacturerAllen-Bradley
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Weight0.75 kg
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Number of Inputs8 Inputs
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Input TypesCurrent
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Input Resolution4-20 Miliamperes
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Backplane Current2.9 Amperes
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Typical AC Signal Delay (Off)45 (+/- 15) ms
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Typical DC Signal Delay (Off)50 ms
Description
1771NIS
DISCONTINUED BY MANUFACTURER
DISCONTINUED SINCE 2017
CURRENT INPUT MODULE
ANALOG
HIGH RESOLUTION
ISOLATED
LOOP POWER
4-20 MA
8 INPUT
DISCONTINUED BY MANUFACTURER
DISCONTINUED SINCE 2017
CURRENT INPUT MODULE
ANALOG
HIGH RESOLUTION
ISOLATED
LOOP POWER
4-20 MA
8 INPUT
Information
Overview
Manuals
Technical notes
Product Applications
Configuration
Features:
- N-Series Analog I/O Module
- with 1771 Remote TerminationPanels (RTPs)
- 1771 PLC-5 System
- High Resolution Isolated Analog Module
The Allen-Bradley 1771-NIS input module is a PLC 5 series sinking/sourcing input module that can support loop power. It can support the levels of loop power that are necessary for powering 2-wire transmitters that are connected to its inputs. The 1771-NIS sinking/sourcing input module is equipped with 8 inputs that are all current inputs. The inputs are rated for 4 to 20 milliamps of current and the backplane current rating of the module is 2.9 Amps. The 1771-NIS sinking/sourcing input module can operate in a temperature range from 0 to 60 degrees Celsius with up to 95% relative humidity without condensation.
The 1771-NIS Allen-Bradley Analog I/O Module may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
Allen-Bradley 1771-NIS Analog I/O Module Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
The current range supported by the 1771-NIS’s input channels is 0.1 – 21mA. The resolution for the input channels is 330nA/bit (at 16 bits unipolar) with the impedance at the input being a maximum of 300ohm. The module-supplied loop power is 20 – 30V DC (0 to 20mA range). The 1771-NIS module needs a maximum of 5s to detect an open input circuit and it provides 24V DC overvoltage protection. A range of 50 dB to 60 dB provides the values for normal mode rejection whereas the typical common mode rejection is 150 dB. The value for the offset drift is ±200nA/°C whereas the value for the gain drift is ±95 ppm/°C. The update time per module is a maximum of 25s and the bandwidth range at input channels is 9 Hz. The under-range and over-range limit values are 3.2mA and 21mA, respectively. The values for the 1771-NIS’s input channel calibration are 1 mA / 21 mA.
Allen-Bradley recommends using the 1771-NIS in combination with the RTP-4 (which is suitable for applications other than those where thermocouples are required). The power to the I/O chassis should be turned off before installing or removing any I/O module. The optimal working temperature range for the 1771-NIS is 0 to 60°C at 5 to 95% relative humidity (non-condensing).
- Chemical & Petrochemical:Monitors pressure & flow transmitters in hazardous environments.
- Food & Beverage:Manages high-accuracy dosing and weighing machinery.
- General Manufacturing:Used in PLC-5 systems for conveyor, stack light, and pump control.
- Precision Filling:16-bit resolution enables loss-in-weight filling for precise portions.
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
The Block Transfer Write sends a configuration block (usually 37 words) from the PLC memory to the module. This tells the module how to behave for each of its 8 channels.
Input Range: Typically set for 4–20 mA.
Data Format: You can choose between Natural Binary (0–65535) or Scaled for PID (0–16383).
Digital Filtering: You can program a "Filter Time Constant" to smooth out noisy signals from your machinery.
Real-Time Sampling: Sets how often the module updates the bits.
FAQs
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What is the 1771-NIS？
+The 1771-NIS is an 8-channel analog input module designed for use in a PLC-5 chassis. It accepts high-resolution 4–20 mA current inputs and can provide loop power to connected 2-wire transmitters. -
What 1771-NIS the input specifications?
+The module supports a current range of 0.1–21 mA, with nominal operation in the 4–20 mA range. It provides module-supplied loop power of 20–30V DC and offers 24V DC overvoltage protection. -
Do you have it in stock?
+Yes, right now we have 1771-NIS in stock ready for shipment, we can support video inspection. -
What are the power requirements for the 1771-NIS?
+It draws 2.4A to 2.9A of current from the I/O chassis backplane and provides a 20-30V DC loop power supply for the 2-wire transmitter. -
What controllers is it compatible with?
+It interfaces with PLC-5, PLC-3, and PLC-5/250 controllers.
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