Allen-Bradley|1756-A7|ControlLogix Chassis

SKU: 1756-A7

Manufacturer: Allen-Bradley
Product No.: 1756-A7
Condition：In stock
Product Type: ControlLogix Chassis
Product Origin: USA
Payment:T/T, Western Union
Weight: 1390g
Shipping port: Xiamen
Warranty: 12 months

Description

The 1756-A7 is a standard ControlLogix chassis designed for horizontal back-panel mounting. It supports up to 7 slots, making it suitable for medium-scale applications that require more modules than the smaller 1756-A4 chassis. The chassis provides a high-speed communication path between modules and distributes power to each module, ensuring reliable operation in industrial environments.

Features

Horizontal Mounting: Designed for horizontal back-panel mounting only.
High-Speed Communication: Backplane provides a high-speed communication path between modules.
Power Distribution: Distributes power to each module within the chassis.
Medium-Scale Applications: Supports up to 7 slots for expanded module capacity.
Compact Size: Suitable for applications with limited space.
Compatibility: Supports a wide range of ControlLogix modules.
Environmental Protection: Conformal coating available for enhanced survivability in harsh environments (XT versions).

Technical Specifications

Backplane Current:

1.2V DC: 1.5A per slot
3.3V DC: 4A per slot
5.1V DC: 15A per slot (chassis max), 6A per slot
24V DC: 2.8A per slot

Power Dissipation:

Maximum: 4W

Isolation Voltage:

Determined by installed power supply and modules

Slots:

7 slots

Mounting Method:

Horizontal only

Cabinet Size:

Minimum: 50.8 x 50.8 x 20.3 cm (20 x 20 x 8 in.)

Weight:

Approximate: 1.36 kg (3 lb)

Location:

Panel mount

Wire Size:

Functional Earth Ground: 8.3 mm² (8 AWG) solid or stranded copper wire rated at 90°C (194°F) or greater
Protective Earth Ground: 2.1 mm² (14 AWG) solid or stranded copper wire rated at 90°C (194°F) or greater

Operating Temperature:

Standard: 0°C to +60°C (32°F to 140°F)
XT Versions: -25°C to +70°C (-13°F to 158°F)

Nonoperating Temperature:

-40°C to +85°C (-40°F to 185°F)

Relative Humidity:

5% to 95% noncondensing

Vibration:

2 g @ 10 to 500 Hz

Shock:

Operating: 30 g
Nonoperating: 50 g

Emissions:

IEC 61000-6-4

ESD Immunity:

6 kV contact discharges, 8 kV air discharges

Radiated RF Immunity:

10V/m with 1 kHz sine-wave 80% AM from 80 to 2000 MHz
10V/m with 200 Hz 50% Pulse 100% AM at 900 MHz
10V/m with 200 Hz 50% Pulse 100% AM at 1890 MHz
3V/m with 1 kHz sine-wave 80% AM from 2000 to 2700 MHz

Order and Warranty Information

Terms of Purchase and Returns

Detailed guidelines on minimum order quantity, delivery times, payment options, warranty, and return policies.

We gladly accept bulk orders, with a minimum order quantity of just one unit.

Upon request, we can provide all necessary documents, including Certificates of Origin/Conformance and other required export paperwork.

We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% payable before shipment. For RMB transfers, please contact us if you have an agent in China.

All new and original items come with a standard one-year warranty. For extended warranty options, feel free to contact us for pricing details.

We prioritize your satisfaction. If you need to return an item, it must be done within 30 days of purchase. The product must be unused, unopened, and in its original packaging, including all accessories. Refunds will be processed within 5-7 business days of receiving the return. Please note, shipping and handling charges are non-refundable.

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