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1756-IT6I2
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Other Available Revisions for the 1756-IT6I2 1756-IT6I2//A
Common misspellings:
- l756-IT6I2
- 1756-1T6I2
- 1756-lT6I2
- 1756-IT612
- 1756-IT6l2
- 1756IT6I2
The Allen-Bradley 1756-IT6I2 analog I/O module is manufactured by Allen-Bradley/Rockwell Automation. This module is a superior thermocouple analog input unit. It is equipped with 6 separately isolated thermocouple inputs along with 2 CJCs. The accuracy of both the local and remote CJC sensor is +/- 0.3 degrees Celsius. The 1756-IT6I2 module can be attached to the ControlLogix chassis by using a removable terminal block (RTB casing) or 1756-TBNH to be precise. Both the operating input ranges as well as the resolutions of the 1756-IT6I2 module are -12 to 30 mV (for a high-resolution range 0.7 microvolts per bit) and -12 to 78 microvolts (1.4 microvolts per bit). It also supports the 16-bit resolution. The 1756-IT6I2 module has an input impedance of more than 10MΩ and a maximum overvoltage protection of 120 Volts AC/DC. Both the maximum power dissipation and total backplane power are 4.6 Watts. There are types of thermocouple for this module which are the B, E, K, T, R, J, D S, N, C, and L (TXK/XK). The thermocouple linearization of the 1756-IT6I2 is ITS-90 while the offset drift is 0.5 microvolts per degree Celsius.
The Allen-Bradley 1756-IT6I2 comes with a settling time of more than 80 milliseconds to 5% of full-scale as well as 15 Hertz channel bandwidth. It has a thermal dissipation of 15.7 BTU/hour. The 1756-IT6I2 is an open circuit detection time that comes with positive full-scale reading in only 2 seconds. Also, this module has noise rejection, it is 60 dB at 60 Hertz in normal mode, and a minimum of 160 dB in common mode, tested at 600 Volts AC at 60 Hertz and applied with 100Ω differential resistance. The 1756-IT6I2 module allows users to choose the data format they want to use, whether it is an integer mode or a floating point mode. Other features of the 1756-IT6I2 module are multiple input ranges, a notch filter, cold junction compensation, a sensor type, temperature units, real-time sampling, wire off detection, 10 ohms offset, under-range/over-range detection, a digital filter which is only available in the applications via the floating point mode, process alarms, and a rate alarm.
