The Allen Bradley 1756-IA16K is a Sixteen (16) channel AC input module from the ControlLogix Programmable Automation Controller (PAC) platform. This module is used to interface discrete signaling devices such as switches, auxiliary contacts and similarly operating devices that are rated for 120VAC, nominal and voltage range of 74-132VAC with frequency of 47-63 Hz.

It has Sixteen (16) input channels, grouped into Two (2) groups of Eight (8) points per group. The 1756-IA16K module’s operating voltage range is from 74 to 132 Volts AC at a frequency of 47 to 63 Hertz, while both the voltage category and input frequency are 120 Volts AC and 50/60 Hertz, respectively. This module has an input delay time of 10 milliseconds for OFF to ON transition the configured filter time (user-selectable at 1 or 2 milliseconds). For ON to OFF transition, hardware delay is 8 milliseconds maximum plus filter time ( user-selectable at 9 or 18 milliseconds). At 5.1 Volts DC, the current draw is 100 milliamps and there are 2 milliamps of current draw at 24 Volts DC. The total backplane power is 0.58 Watts and it dissipates 5.8 Watts of power at 60 degrees Celsius for and 18.41 BTU/hour of thermal energy. The maximum off-state voltage is 20 Volts and the current is 2.5 milliamps. The on-state current of the 1756-IA16K, on the other hand, ranges from a minimum of 5 milliamps at 74 Volts AC to a maximum of 13 milliamps at 132 Volts AC. The maximum recorded inrush current is 250 milliamps peak, decaying to less than 37% in 22 milliseconds without activation.

 

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Specification Sheet .pdf

 

Manufacturer Rockwell Automation
Brand Allen Bradley
Part Number/Catalog No. 1756-IA16K
Series ControlLogix
Module Type Digital AC Input Module
Inputs 16
Input Voltage 120 Volts AC
Operating Voltage Range 74-132 Volts AC
Input Delay Time Programmable 9 or 18 milliseconds
Minimum Operating Current 5 milliamperes at 74 Volts AC
Maximum Operating Current 13 milliamperes at 132 Volts AC
Maximum Input Current, Off-State 2.5 milliamperes
Power Dissipation (Max) 5.8 Watts at 60 degrees Celsius
Backplane Current at 5 Volts 105 milliamperes
Backplane Current at 24 Volts 2 milliamperes

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