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Allen Bradley 1788 Linking Devices 1788-FBJB4R

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1788-FBJB4R

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The 1788-FBJB4R from Allen Bradley is a specialized redundant intelligent fieldbus junction box. It operates within a voltage range of 12 to 32 volts DC and has the capability to connect to Foundation Fieldbus H1 or Profibus-PA networks.

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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 1788-FBJB4R

ManufacturerAllen Bradley
Product TypeRedundant Intelligent Fieldbus Junction Box
Product Line1788 Linking Devices
Part Number1788-FBJB4R
Weight10.00 lbs (4.54 kg)
Network CompatibilityFoundation Fieldbus H1 or Profibus-PA
Operating Voltage12V to 32V DC
Power Consumption40 mA at 24V DC
Trunk Trip Current490 mA
Drop Ports4 Field Device Drop-Line ports
Trunk PortsRedundant Input Pair and Output Pair
IP RatingIP20
Enclosure TypeOpen Type
Mounting TypeDIN Rail or Surface Mount
Operating Shock30 g
Installation Altitude1000 m
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The 1788-FBJB4R junction box from Allen Bradley is a robust solution for fieldbus connectivity. Specifically designed to support Foundation Fieldbus H1 and Profibus-PA networks, this device ensures efficient and reliable communication between various components in an automated system. Its operating voltage ranges from 12V to 32V DC, providing flexibility for different applications. At 24V DC, the power consumption is rated at 40 mA, making it efficient for operational use.

This junction box is equipped with four ports for field device drop-lines, allowing multiple connections to field devices, thereby expanding the system's capabilities. The trunk ports feature a redundant input pair and output pair, enhancing the reliability of the connections and ensuring continued operation in the event of a failure. The unit is housed in an open-type enclosure with an IP20 rating, designed for protection against dust and solid objects but not against moisture.

Mounting options include both DIN rail and surface mount configurations, enabling ease of installation in various setups. The device is rated for an operating shock level of 30 g, indicating durability in potentially harsh environments. Finally, it functions efficiently at installation altitudes up to 1000 meters, making it suitable for a wide range of industrial applications.

Revision Part #Also known as
1788-FBJB4R Ser A1788-FBJB4R/A, Series A, Rev A
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