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1771-IFMS

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Rockwell Disclaimer: The product is used surplus. PDF Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because PDF Supply is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, PDF Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. PDF Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. PDF Supply also makes no representations as to your right to install any such firmware on the product. PDF Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

PDF Supply is NOT an authorized distributor for this manufacturer and therefore the manufacturer’s warranty does not apply. Product comes with PDF Supply's 1-year, 2-year, or 3-year warranty.

Refurbished

$14910

4 In Stock

1 Yr PDF Supply warranty

What is Refurbished?

Ships .

Other Available Revisions for the 1771-IFMS 1771-IFMS//A

Common misspellings:
  • l771-IFMS
  • 177l-IFMS
  • 1771-1FMS
  • 1771-lFMS
  • 1771IFMS

 

The 1771-IFMS fast millivolt input module by Allen-Bradley has about 8 differential inputs via intrinsic safe connections. The 1771-IFMS input module is designed by Allen-Bradley to handle data in various formats including the +/- 32,767 binary formats or in the +/- 9999 BDC format. When connected to any of the Allen-Bradley chassis in the 1771 I/O chassis series, the 1771-IFMS input module can update itself within 14.5ms and its resolution is recorded as being 12 bits. The range of the nominal input volts for the 1771-IFMS fast millivolt input module is 0-50 millivolts while the backplane current that it needs is recorded as being 750mA.

 

For connectivity, the Allen-Bradley 1771-IFMS fast millivolt input module does not require any external power supply sources, although it is packaged with an Allen-Bradley 1771-WG wiring arm from the Allen-Bradley factory. The wiring arm is useful while disconnecting the 1771-IFMS input module from the processor because it can disconnect the input module without interrupting or disconnecting the whole wiring system. In any case, the 1771-IFMS module has a conformal coating that provides the system with the necessary protection from humidity and condensation. The 1771-IFMS module is rack mountable and its normal AC signal delay is 24ms when it is powered off. The normal DC signal delay when 1771-IFMS module is powered off is 20ms. Other additional features of the Allen-Bradley 1771-IFMS fast millivolt input module include its selectable real-time sampling, its digital filtering, and its ability to scale to different engineering units. 

 

Technical Specifications for 1771-IFMS

ManufacturerAllen-Bradley / Rockwell Automation
SeriesPLC 5
Part Number1771-IFMS
Product TypeFast millivolt input module
Number of Inputs8
Data formatNatural or BCD
Accuracy0.1% at 25 degrees Celsius
Input overvoltage protection32 Volts
Input impedance1 Megaohm
Common mode rejection100 dB with 60 Hertz frequency
Cable 22-14 AWG
Temperature0 to 60 degrees Celsius
ShocksOperating: 15 g, Non-operating: 30 g

About 1771-IFMS

The 1771-IFMS module is an Allen-Bradley-manufactured fast millivolt input module. It is designed with 8 differential inputs. It is an intelligent block transfer module that is able to interface with programmable controllers that have the block transfer capability. This input module can sense analog inputs and convert them into a 4-digit BCD value. It can read input signals ranging between 0 and 50 millivolts, and slightly overrange and underrange voltages. The 1771-IFMS module features real-time sampling and scaling. It comes with selectable digital filtering. The module supports the binary or BCD data format. It can be programmed using a ladder diagram. It comes with a 12-bit binary data format, and it has an accuracy rating of 0.1% of the full-scale range with a temperature at 25 degrees Celsius. It offers an input overvoltage protection level of 32 Volts and it has an input impedance rating of 1 Megaohm. 

 

The 1771-IFMS input module is supplied with a backplane current of 0.75 Amps at 5 Volts DC. The common mode rejection of the module is 100 dB with 60 Hertz frequency. An A/D converter with monotonic output is present. It has a quantization error of +½ LSB. An isolation voltage of 1500 Volts AC is present for a time period of 60 seconds from the system to the field channels. No isolation exists between the field channels. The 1771-IFMS module uses 22-14 AWG solid or stranded cable that is rated at 75 degrees Celsius. The environmental temperature should not exceed 60 degrees Celsius in humid or dry conditions. It can handle operating and non-operating shocks of 15 g and 30 g, respectively.

The 1771-IFMS module is an input module with block transfer capability. It has been manufactured by Allen-Bradley. It comes with 8 differential inputs.

F.A.Q for 1771-IFMS

PDF Supply sells used surplus products. PDF Supply is not an authorized distributor, affiliate, or representative for the brands we carry. Products sold by PDF Supply come with PDF Supply’s 1-year, 2-year, or 3-year warranty and do not come with the original manufacturer’s warranty. Designated trademarks, brand names and brands appearing herein are the property of their respective owners. This website is not sanctioned or approved by any manufacturer or tradename listed.

Rockwell Disclaimer: The product is used surplus. PDF Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because PDF Supply is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, PDF Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. PDF Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. PDF Supply also makes no representations as to your right to install any such firmware on the product. PDF Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.