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The Allen Bradley 1771-IFE is an analog input module. It is an intelligent block transfer module that interfaces analog input signals with any Allen Bradley programmable controllers that have block transfer capability. Block transfer programming moves input data words from the module's memory to a designated area in the processor data table in a single scan. It also moves configuration words from the processor data table to module memory.
The input module is a single-slot module and requires no external power supply. (If using passive transducers for inputs, the input data is converted to a specified data type in a digital format to be transferred to the processor's data table on request. The block transfer mode in disabled until this input scan is complete. Consequently, the minimum interval between block transfer reads is the same as the total input update time for each analog input module.
The analog input module senses up to 16 single-ended or 8 differential analog inputs and converts them to a proportional four-digit BCD or twelve-bit binary value. You can select from five voltage or three current input ranges. Each input can be configured as a current or voltage input with internal jumpers.
This module's program selectable features include:
Voltage | Current |
1 to 5 V DC | 4 to 20 mA |
0 to 5 V DC | 0 to 20 mA |
-5 to +5 DC | -20 to +20 mA |
-10 to +10 V DC | |
0 to 10 V DC |
Inputs per module | 16 single-ended; 8 differential low level |
Module location | 1771 I/O rack - 1 slot |
Input voltage ranges (nominal) | +1 to +5 V DC 0 to +5 V DC -5 to +5 V DC -10 to +10 V DC 0 to +10 V DC |
Input current ranges (nominal) | +4 to 20 mA 0 to +20 mA -20 to +20 mA |
Resolution | 12-bit binary 12 bits plus sign on bipolar ranges |
Accuracy | 0.1% of full scale range @ 25°C |
Linearity | +- LSB |
Repeatability | +- LSB |
Isolation voltage | Isolation meets or exceeds the requirements of UL Standard 508, and CSA Standard C22.2 No. 142 |
Input overvoltage protection | 200 V (voltage mode) 8 V (current mode) |
Input overvoltage protection (current ranges) | 30 mA |
Common mode voltage | +-14.25 Volts |
Input impedence | >10 Megaohms for voltage ranges; 250 ohms for current ranges |
Common mode rejection | 80 db, dc-120 Hz |
Current requirements | 500 mA @ +5 V from I/O chassis backplane |
Temperature coefficient | +-50pp,/°C full scale |
Power dissipation | 2.5 Watts (max.) |
Thermal dissipation | 8.52 BTU/hr (max.) |
Environmental conditions -operational temperature -storage temperature -relative humidity | 0 to 60 °C (32 to 140°F) -40 to 85°C (-40 to 185°F) 5 to 95% (without condensation) 5 to 85% (without condensation) |
Wiring arm | Catalogue number 1771-WG |
Part number | 1771-IFE |
Les spécifications ci-dessous sont applicables à ce produit
Manufacturer | Allen Bradley |
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Range type | Input Module |
Range | PLC-2 |
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UPC | 10612598002211 |
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