GE / IP FANUC Series 90/30 In Stock
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The 1771-IL is an isolated input module (analog) from Allen Bradley. The isolated analog input module has a resolution of 12-bit (binary), a default sample time (without RTS) of 500 milliseconds which range from 500-3.1 milliseconds increments of 100 milliseconds. The 1771-IL supports calibration through mechanical adjustments for the offset, zero offset and gain. The module has an accuracy of 0.1% at full scale range at a maximum temperature of 25 degrees Celsius. It has a mode rejection (common) of more than 120 db at 60 Hertz and source imbalance resistance of 1k Ohms. The 1771-IL has a peak continuous input over-voltage protection of +/- 40 Volts and draws a current of 1.3A at 5 Volts.
The 1771-IL has a maximum power dissipation of 6.5 Watts, a maximum thermal dissipation of 22.2 BTU per hour. The module has a scan rate (internal) of 500 milliseconds for 8 channels without digital filtering or scaling. The 1771-IL is UL, CSA class I Division 2, Groups A, B, C, D certified. The module uses BCD scaling of up to +-9999 and binary data formats. The 1771-IL uses a data table which supports 19 write words and 12 read words. For keying pins 10 & 12, 32 & 34 are used for upper and lower connections. The 1771-IL isolated input module uses the 1771-WF wiring arm with a wiring arm screw torque that ranges between 7-9 inch-pounds. The module comes in series A, B, C which differ on how they use the data table, their accuracy, backplane current, power/thermal dissipation, calibration, among others. The 1771-IL has 8 inputs which are isolated (1000 Volts differential).
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