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A-B 1757-FFLDC4 Fieldbus Link Device

From:A-B | author:Mr.Chen | Time :2024-07-31 | 135 view: | Share:

The Allen-Bradley 1757-FFLDC4 is a ControlNet Foundation fieldbus link device.

The module has four (4) Foundation Fieldbus interfaces and one (1) redundant ControlNet interface.

It supports connection to four (4) H1 Foundation Fieldbus networks, each supporting up to sixteen (16) devices.

This link device supports up to 64 fieldbus devices per link device.

The Allen-Bradley 1757-FFLDC4 device is a ControlNet Foundation fieldbus link device.

has four (4) Foundation fieldbus H1 network connections, allowing up to 64 different fieldbus devices to interact in the Foundation network.

It has an additional ControlNet interface for integrating the device into a ControlNet network for monitoring and control purposes.

The ControlNet address of the device should be manually configured using the two rotary switches located on the front left side of the linked device.

The Allen-Bradley 1757-FFLDC4 ControlNet Foundation fieldbus-connected device requires connection to a rated voltage of 24 volts DC (/-10%)

An external power supply rated at 450 mA. It has an inrush current rating of 1.5 amps and a power consumption of 9.6 watts.

A forced ventilation system or climate control system may be required depending on the total heat emitted by all components mounted within the same panel.

Maximum operating temperature should be kept below 60 degrees Celsius (140 degrees Fahrenheit).

The Allen-Bradley 1757-FFLDC4 ControlNet Foundation Fieldbus Connection Device is sized for easy installation on a DIN rail or in any conventional NEMA 4/12 type enclosure.

The most common DIN rails used to mount this connection device are 35 x 7.5 or 35 x 15 DIN rails.

The 1757-FFLDC4 is a panel mount device and is mounted using M4 or #8 screws.

The unit specifically features four (4) Foundation Fieldbus interfaces and one (1) redundant ControlNet interface.

Up to four (4) H1 Foundation Fieldbus networks can be bridged via ControlNet media, each supporting up to sixteen (16) devices.

In total, one (1) 1757-FFLDC4 is capable of connecting up to sixty-four (64) fieldbus devices.

The 1757-FFLDC4 can operate when supplied with a 24VDC supply voltage. It is rated at 450 milliamps, with an inrush current rating of 1.5 amps and a power consumption/consumption of 9.6 watts.

This connected device is capable of retaining a programme for up to 21 days when no power is present.

For DC power connections, the 1757-FFLDC4 requires 0.2-1.5 mm2 or 26-16 AWG solid or stranded copper signal wire.

It has an insulation rating of 75°C or 167°F or greater and a maximum insulation thickness of 1.2 mm (3/64 in.).

For fieldbus connections, the recommended wire size is 0.8 mm2 (18 AWG) solid or stranded shielded twisted-pair copper wire with insulation thickness and temperature ratings.

rated for 75°C (167°F) or higher with a maximum insulation thickness of 1.2 mm (3/64 in.). To establish an Ethernet connection, Category 5e cable may be used.

1757-FFLDC4 Frequently Asked Questions

What are the available ports on the 1757-FFLDC4?

The 1757-FFLDC4 has four (4) H1 ports

What is the maximum number of devices supported by a single 1757-FFLDC4?

One (1) 1757-FFLDC4 supports up to 64 FF devices.

What are the power requirements for the 1757-FFLDC4?

The 1757-FFLDC4 is powered by an external 24 VDC supply voltage rated at 450 mA.

1757-FFLDC4 Technical Description

The Allen-Bradley 1757-FFLDC4 ControlNet Foundation fieldbus connection device allows up to 64 Allen-Bradley/Rockwell Automation field devices to be

connected to the Foundation fieldbus network. It also has a redundant ControlNet network connection for monitoring.

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