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Here is all you need to know
The Allen Bradley 1771-IXHR is a high resolution thermocouple/millivolt input module. Each AB 1771-IXHR module has 8 input points all of the same type or 4 each of two different types. Find more detailed technical information for this module below.
Number of inputs | 8, all of the same type or 4 each of 2 different types |
Module location | 1771 I/O chassis - 1 module slot |
Type of input (selectable) | Type B, Pt-30% Rh/Pt-6% Rh (320 to 1800°C) Type E, chromel/constantan (-270 to 1000°C) Type J, iron/constantan (-210 to 1200°C) Type K, chromel/alumel (-270 to 1380°C) Type R, Pt/Pt-1-% Rh (-50 to 1770°C) Type S, Pt/Pt-10% Rh (-50 to 1770°C) Type T, copper/constantan (-270 to 400°C) Millivolt (-100 to +100mV DC) |
Thermocouple linearisation | IPTS-68 standard, NBS MN-125 |
Cold junction compensation | Range: 0 to 60°C Accuracy: ±0.5°C |
Temperature scale (selectable) | °C or °F |
Input resolution | 3.2328uV |
Display resolution | 0.1°C, 0.1°F; or 1.0 uV, 10 uV |
Isolation voltage | This isolation meets or exceeds the requirements of UL Standard 508, and CSA Standard C22.2 No. 142 |
Common mode rejection | 120dB at 60 Hz, up to 1000 V peak |
Common mode impedance | Greater than 10 megohms |
Normal mode rejection | 60dB at 60 Hz over ±100 mV |
Input overvoltage protection | 120 V ms, continuous |
Open input detection | Open input produces an overrange in less than 10 seconds |
Data format | 2's complement binary |
Calibration methods | Auto - Auto-calibration for offset and gain Manual - Zero offset and gain adjustment for each channel via programming terminal Verify every six months for maintaining absolute accuracy |
Processor compatibility | PLC-3 or PLC-5 family processor using the 1771 I/O structure and block transfer. (Not recommended for use with PLC-2 family processors.) |
Backplane power consumption | 8502 mA @ 5 V |
Power dissipation | 4.25 Watts maximum |
Thermal dissipation | 12.62 BTU/hr |
Environment conditions Storage temperature: | 0 to 60°C (32 to 140°F) Ambient changes greater than 0.5°C per minute may temperarily degrade performance during periods of change -40 to 85°C (-40 to 185°F) 5 to 95% (without condensation) |
Keying | Between 20 and 22 Between 24 and 26 |
Field wiring arm | Cat. no. 1771-WI |
Wiring arm screw torque | 7-9 inch-pounds |
Cat. no. | 1771-IXHR |
The below specs apply to this product
Manufacturer | Allen Bradley |
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Range type | Input Module |
Range | PLC-2 |
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UPC | 10612598114754 |
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