Product Description
Allen-Bradley 1756-A7 ControlLogix 7-Slot Chassis
Product Overview
The Allen-Bradley 1756-A7 is a ControlLogix 7-slot chassis designed to house ControlLogix modules, providing power distribution and backplane communication for a variety of industrial automation applications. The chassis serves as a foundation for building scalable and high-performance control systems.
Technical Specifications
| Attribute |
1756-A7 Details |
| Manufacturer |
Allen-Bradley |
| Model Number |
1756-A7 |
| Description |
ControlLogix 7-Slot Chassis |
| Backplane Current (Max) |
1.2V DC: 1.5 A, 3.3V DC: 4 A, 5.1V DC: 15 A (chassis) / 6 A (slot), 24V DC: 2.8 A |
| Power Dissipation (Max) |
4.5 W |
| Slots Available |
7 |
| Mounting Method |
Horizontal Only |
| Minimum Cabinet Size (HxWxD) |
50.8 x 61.0 x 20.3 cm (20 x 24 x 8 in.) |
| Weight (Approx.) |
1.10 kg (2.4 lb) |
| Location |
Panel Mount |
| Wire Size |
Functional Earth Ground: 8 AWG, Protective Earth Ground: 14 AWG |
| Enclosure Type Rating |
None (Open-Style) |
Environmental Specifications
| Attribute |
Series B |
Series C |
| Operating Temperature |
0…60°C (32…140°F) |
-25…+60°C (-13…+140°F) |
| Max Surrounding Air Temperature |
60°C (140°F) |
60°C (140°F) |
| Non-Operating Temperature |
-40…+85°C (-40…+185°F) |
-40…+85°C (-40…+185°F) |
| Relative Humidity |
5…95% non-condensing |
5…95% non-condensing |
| Vibration |
2 g @ 10…500 Hz |
2 g @ 10…500 Hz |
| Shock (Operating) |
30 g |
30 g |
| Shock (Non-Operating) |
50 g |
30 g |
| Electrostatic Discharge Immunity |
6 kV (contact), 8 kV (air) |
6 kV (contact), 8 kV (air) |
| Radiated RF Immunity |
10V/m from 80…2000 MHz |
10V/m from 80…2000 MHz |
| Conformal Coating |
No |
Yes |
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