Allen-Bradley 1756-A10 is a ControlLogix chassis. It has ten (10) slots that provide the backplane connection and housing for the ControlLogix module. The maximum backplane current of this chassis is 1.5A@ 1.2VDC. 4A/4A @ 3.3 volts DC; 15 A/6 A@ 5.1VDC and 2.8 A/ 2.8A@ 24VDC.
The Allen-Bradley 1756-A10 is a Then (10) slot ControlLogix chassis. The hardware hosts the electronic connections between the ControlLogix modules with a maximum backplane rated current of 1.5A@ 1.2VDC; 4A/4A @ 3.3 volts DC; 15 A/6 A@ 15 A/6 A and 2.8 A/2.8 A@ 24VDC.
This case supports panel mounting and has a top and bottom clearance of 15.3 cm (6.0 in) and a side clearance of 10.2 cm (4.0 in) plus the power supply width. If mounted side by side with another ControlLogix chassis, the required gap between the chassis is 7.7 cm (3.0 in) plus the width of the power supply. ControlLogix power supplies, whether standard, ultra-thin, or redundant, have dedicated slots located on the far left and do not occupy chassis slots.
The 1746-A10 is available in two (2) series, B and C.B series enclosures operating in a temperature range of 0... 60 °C (0... 140 °F) and -25 °F (-13 +140 °F) series modules, while the maximum ambient air temperature for both series is 60 °C (140 °F). The case also offers functional grounding and is designed to terminate 8.3 square mm or 8 AWG solid or stranded copper wire with an insulation class of 90 °C (194 °F) or higher. It also has protective grounding and is designed to be terminated using 2.1 square mm or 14 AWG solid or stranded copper wire with an insulation rating of 90 °C (194 °F) or higher.
The backplane electrical rating for the 1756-A10 is 1.5A /1.5A backplane current between the chassis and the slot (chassis/slot) with A voltage of 1.2V, 4/4A at 3.3V, and 2.8 A/2.8 A at 24V. It has a power consumption of 5 watts (equivalent to 6.1 BTU/ hour of heat dissipation) and a maximum operating power consumption of 1.8W. It is designated as T5 Ambient Temperature code (North America) and T6 IEC code (EU). The 1756-A10 also has an open housing. It operates at temperatures between 0 and 60 °C (32 and 40 °F), non-condensing humidity between 5-95%, and transport temperatures between -40 and 85 °C (-40 and 185 °F). It has an IEC 60068-2-27 rated operating shock resistance of 30G, and can withstand vibration of 2G at 10-500 Hz when in operation. The 1756-A10 cabinet measures 20 x 30 x 8 inches. It weighs 3.2 pounds.
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