1756-L72 | Allen Bradley ControlLogix 5570 Controller

Model1756-L72User memory4 MBI/O memory0.98 MBOptional nonvolatile memory storage1 GB (1784-SD1 ships with every controller) 2 GB (1784-SD2)Digital I/O, max128,000Analog I/O, max4000Total I/O, max128,000Energy storage module1756-ESMCAP capacitor energy storage module (removable, ships installed with every controller) 1756-ESMNSE capacitor energy storage module (removable, no residual WallClockTime power backup) 1756-ESMNRM capacitor energy storage module (nonremovable, secures controller by preventing USB connection an d SD card use)Current draw @ 1.2V DC5 mACurrent draw @ 5.1V DC800 mAPower dissipation2.5 WThermal dissipation8.5 BTU/hrIsolation voltage30V (continuous), basic insulation type, USB port-to-systemType tested at 500V AC for 60 sUSB port¹USB 2.0, full speed (12 Mbps)Weight, approx0.25 kg (0.55 lb)Slot width1Module locationChassis-based, any slotWire category²3 - on USB portNorth American temperature codeT4AIEC temperature codeT4Enclosure type ratingNone (open-style)The USB port is intended for temporary local programming purposes only and not intended for permanent connection. Do not use the USB port in hazardous locations.Use this conductor category information for planning conductor routing as described in the system level installation manual.