The Allen-Bradley 1756-M3 expansion memory module is a part of the versatile Bulletin 1756 product line, specifically designed to enhance ControlLogix systems. With support for controllers featuring memory capacities ranging from 750 kilobytes to 32 megabytes, it operates efficiently with a backplane current of 1.20 to 1.25 Amps at 5.1 Volts DC, and 0.014 Amps to 14 milliAmps at 24 Volts DC. Engineered for durability in challenging environments, it functions within an operational temperature range of 0 to 60 degrees Celsius and a storage range of -40 to 85 degrees Celsius, while tolerating high levels of vibration and shock, and providing robust ESD immunity in line with IEC 61000-4-2 standards.
Technical specifications for 1756-M3
Brand
Allen-Bradley / Rockwell Automation
Series
ControlLogix
Part Number
1756-M3
Type
Expansion memory module
Capacity
2 megabytes
Enclosure type
None (Open-style)
Relative humidity
5 to 95%, non-condensing
Vibration
2 G at 10 to 500 Hertz
Shock
30 G
Emissions
Group 1, Class A
Operating temperature
0 to 60 degrees Celsius (32 to 140 degrees Fahrenheit)
Storage temperature
-40 to 85 degrees Celsius (-40 to 185 degrees Fahrenheit)
