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1771-IFMS

Allen-Bradley 1771-IFMS Intrinsically Safe Millivolt Input Module

In stock (21 units), ready to be shipped

  • Manufacturer: Allen-Bradley

  • Product No.: 1771-IFMS

  • Product Type: Input Module

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 700g

  • Shipping port: Xiamen

  • Warranty: 12 months

30-Day Return Policy · 12-Month Warranty
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Description

Allen-Bradley 1771-IFMS Intrinsically Safe Fast Millivolt Input Module

Product Overview

Allen-Bradley 1771-IFMS is an intrinsically safe fast millivolt input module for PLC-5 systems. Features 8 differential low level inputs. Input voltage range 0 to 50 mV with 12-bit binary resolution. Accuracy 0.1% of range at 25°C. Uses 1771-WG wiring arm. Module weight 0.7 kg.

Technical Specifications

Parameter Value
Manufacturer Rockwell Automation
Brand Allen-Bradley
Part Number 1771-IFMS
Module Type Fast Millivolt Input Module
Number of Inputs 8 differential
Voltage Range 0 to 50 mV
Resolution 12-bit binary
Accuracy 0.1% of range at 25°C
Linearity ±1 LSB
Repeatability ±1 LSB
Channel Update Rate 14.5 ms for 8 channels
Data Format ±32,767 binary or ±9999 BCD
Input Impedance 1 MΩ
Common Mode Rejection 100 dB at 60 Hz
Input Overvoltage Protection 32 V
Backplane Current 750 mA at 5 V DC
Wiring Arm 1771-WG
Wire Size 22 to 14 AWG
Wire Torque 0.8 to 1.0 Nm
Operating Temperature 0°C to 60°C
Relative Humidity 5% to 95% non-condensing
Operating Shock 15 G
Non-operating Shock 30 G
Weight 0.7 kg

Key Features

  • Intrinsically safe fast millivolt input module
  • 8 differential low level inputs
  • 12-bit binary resolution with ±1 LSB linearity
  • Monotonic A D converter with no missing codes
  • Conformal coat protection
  • 100 dB common mode rejection at 60 Hz
  • Rack mountable with 1771-WG wiring arm
  • Compatible with PLC-5 processors

Installation Notes

  • Do not install or remove while PLC-5 system is under power (no RIUP support)
  • Observe ESD handling precautions
  • Equipment on non-intrinsically safe side must not exceed 250 V RMS
  • Use 75°C or greater insulation rating wire

FAQs

Q1: What is the input voltage range and resolution?
A1: 0 to 50 mV input range. 12-bit binary resolution with 0.1% accuracy at 25°C.

Q2: What is the backplane current and wiring arm?
A2: 750 mA at 5 V DC. Compatible with 1771-WG wiring arm.

Q3: What is the module weight?
A3: 0.7 kg.

🏷️ Tags: Input Module
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In-stock items are typically dispatched the same business day. For products not currently in stock, dispatch times may vary based on availability. International shipping is available, and shipping costs are calculated according to destination, weight, and carrier selection.

Returns are accepted within 30 days of receipt, provided items are unused and in original condition. Return shipping costs are the responsibility of the customer. Please contact us before returning any item to receive return authorization.

For more details, please review our Shipping & Return Policy.

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