Allen-Bradley's 1756-OA16I ControlLogix AC digital output module is a 120-240V AC digital output module with 16 independently isolated outputs and a pilot rating. The 1756-OA16I's operating voltage range is 47-63 Hz, between 74 and 265V AC, and for ON to OFF and OFF to ON, the output signal delay time is 9.3ms at 60Hz and 50Hz 11ms one. The 1756-OA16I has a backplane draw current of 300mA at 5.1V and a backplane draw current of 2.5A at 24V. The total backplane power is 1.59W. The 1756-OA16I has a working heat dissipation of 18.76 BTU / hour and dissipates 5.5W at 60 ° C (140 ° F).
1756-OA16I has a leakage current of 3mA at each point. In the ON state, its peak drop voltage is 1.5V at 2A and 6V at a load current <50mA. The maximum current at each output point is 2A at 30 ° C and 1A at 60 ° C. The total current on the output module is 5A at 30 ° C and 4A at 60 ° C. The inrush current of each output point of the 1756-OA16I is 20A, lasting 43ms, and can be repeated every 2 s at 60 ° C, and the minimum current load at each point is maintained at 10mA. The 1756-OA16I has an output signal scheduling time of 16.7s and an isolation voltage of 250V. It uses 2s between the output to the backplane and the output to output after the basic insulation test at 1350V AC. The 1756-OA16I has a single width slot and its RTB keying is user-defined. The 1756-OA16I has an open case and is designated as a T4A temperature code.
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