1771-IR
PublishedRTD Input Module
Allen-BradleyControl Systems (PLC & DCS)RTD Input ModuleIndustrial supply
The Allen-Bradley 1771-IR RTD input module supports 100 ohm platinum and 10 ohm copper RTDs (alpha 0.00385). Temperature range platinum -200 to +870C, copper -200 to +260C; resistance range 1.00-600.00 ohms; 950 mA at 5V backplane current; common-mode rejection 120 dB at 60 Hz. Uses 1771-WF field wiring arm.
Wholesale supply1771-IR
No public pricingPriced per agreement on volume and market. Send your quantities — Kaysan replies with availability and wholesale terms.
Product identity6 fields
Item nameRTD Input Module
Item number / code1771-IR
BrandAllen-Bradley
Product lineIndustrial supply
CategoryControl Systems (PLC & DCS)
Product typeRTD Input Module
Technical data14 rows
Type100 ohm platinum
RangePlatinum
Backplane Current950mA at 5V
Common Mode ImpedanceGreater than 10 megohms
Common Mode Rejection120dB @ 60Hz up to 1000V peak
Field Wiring Arm Cat No.1771-WF
Input Overvoltage Protection120V RMS continuous
Isolation VoltageMeets or exceeds UL Standard 508 and CSA Standard C22.2 No. 142
KeyingBetween 10 and 12; between 28 and 30
Module Location1771 I/O Chassis
Normal Mode Rejection100dB @ 60Hz
Power Dissipation4.75W max
Resistance Range1.00 to 600.00 ohms
Scan Time50ms for 8
Reference numbers1 public
Allen-Bradley1771-IR