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The Allen-Bradley/Rockwell Automation FLEX Ex I/O modules are industrial input and output modules that are available with different numbers of inputs and outputs and different ratios of inputs to outputs that are suitable for different applications. The FLEX Ex I/O modules can be used in hazardou...
The Allen-Bradley/Rockwell Automation FLEX Ex I/O modules are industrial input and output modules that are available with different numbers of inputs and outputs and different ratios of inputs to outputs that are suitable for different applications. The FLEX Ex I/O modules can be used in hazardous industrial environments to make safe connections to field devices. These modules are each made up of the I/O module that contains all of the I/O points, the terminal base where most of the wires and connections in the system are terminated, and the adapter which has ports for making connections with 24 Volts DC rated power sources. The terminal base and adapter also come with bus connectors and the terminal base has a keyswitch to make sure that only the proper compatible devices can be connected to it.
The Allen-Bradley/Rockwell Automation FLEX Ex I/O modules are designed to be similar to the standard Allen-Bradley FLEX I/O modules and to provide the same appearance, the same feel, and the same ease of use as the FLEX I/O modules, but they are additionally designed to operate safely in hazardous areas and to provide all the advantages of the standard modules in areas where the standard modules cannot be used. Additionally, the FLEX Ex I/O modules allow applications that are handled by ordinary FLEX I/O modules in non-hazardous environments to be transferred seamlessly to FLEX Ex I/O modules in hazardous environments. One FLEX Ex I/O module adapter can connect to 128 digital I/O, 64 analog inputs, or to a mix of these analog and digital I/O that best suits the users’ needs.
The 1791-BIC from Allen-Bradley is a Bus isolator module. It is part of the Flex Ex I/O series and it can connect intrinsically safe Flex Ex I/O modules to standard Flex I/O modules from the same I/O group.
The Allen-Bradley 1797-ACNR15 Flex Ex I/O redundant media adapter is made to be part of an intrinsically safe industrial system. It allows Flex Ex I/O modules to communicate on the ControlNet Ex network.
The 1797-BCNR redundant ControlNet Ex barrier is manufactured by Allen-Bradley in the Flex Ex I/O series. It can connect an intrinsically safe ControlNet Ex network to a ControlNet network which is not intrinsically safe.
The Allen-Bradley 1797-OB4D output module is a Flex Ex I/O series industrial output module. Its 4 output points are not isolated and they can handle intrinsically safe signals from a variety of discrete field devices.
The 1797-OE8 output module is part of the FLEX Ex I/O series by Allen-Bradley/Rockwell Automation. The module has 8 single-ended non-isolated outputs and it has a load range current of 0 to 22 milliamps. The module has a weight of 200 grams (0.4 pounds) and very small dimensions. The module has an output signal accuracy of 0.1% and a configurable data format.
The 1797-OE8H module is a compact Allen-Bradley/Rockwell Automation component made for the FLEX Ex I/O systems. The unit is an analog module which supports HART communication. The 1797-OE8H module includes 8 indicators for fault states, 1 power on/off indicator, and 8 indicators for indicating HART output communication. The unit features 8 single-ended outputs of the non-isolated type and 13-bit resolution.
The Allen-Bradley 1797-PS1E power supply module from the Flex Ex I/O series is designed to power intrinsically safe control systems in a hazardous environment. It can handle AC and DC voltages.
The 1797-PS1N module is a power supply component that can operate at either 85 to 250 Volts AC or 120 to 250 Volts DC. The unit has a current consumption rating of 0.9 to 0.35 Amps and an output power of 4 to 8.5 Watts. The 1797-PS1N power supply has an input power rating of 55 Watts, a power dissipation rating of 21 Watts, and thermal dissipation rating of 71.67 BTU per hour. The unit is manufactured by Allen-Bradley/Rockwell Automation and it is part of the FLEX Ex I/O series.
The power supply unit with the catalog number 1797-PS2E is designed and manufactured by Allen-Bradley/Rockwell Automation and it is part of the FLEX Ex I/O series. The component has an approximate weight of 7.7 kilograms (17 pounds) and the following dimensions (H x W x D): 140 x 174 x 280 millimeters (5.5 x 6.9 x 11 inches). The 1797-PS2E power supply has an input power rating of 55 Watts, a power dissipation rating of 21 Watts, and thermal dissipation rating of 71.67 BTU per hour. The input rating of the unit is 24 Volts DC and its operating voltage range is 18 to 32 Volts DC.
The 1797-PS2E2 module is a power supply component designed by Allen-Bradley/Rockwell Automation. The unit is part of the FLEX Ex I/O series and it features an operating voltage range of 18 to 32 Volts DC. The 1797-PS2E2 power supply has dimensions of 140 x 174 x 280 millimeters (5.5 x 6.9 x 11 inches) and it weighs 7.7 kilograms (17 pounds) approximately. The unit has an output power of 4 to 8.5 Watts and an input power of 55 Watts.
The Allen-Bradley/Rockwell Automation 1797-PS2N module is a power supply unit made for control systems from the FLEX Ex I/O series. The unit uses a 24 Volts DC supply source voltage and it includes 4 channels with 8.5 Watts of output for each channel. The unit features a current consumption rating of 3.1 Amps and an input power rating of 55 Watts. The unit has a weight of 7.3 kilograms (16 pounds) and dimensions of 140 millimeters (5.5 inches) x 174 millimeters (6.9 inches) x 174 millimeters (6.9 inches).
The 1797-PS2N2 module is a power supply designed and manufactured by Allen-Bradley/Rockwell Automation. The FLEX Ex I/O power supply has output connectors at terminals 10 to 17 and input connectors rated at 24 Volts DC at terminals 1, 2, 4, and 5. The unit has a voltage range of 19 to 32 Volts DC and a current consumption rating of 3.1 Amps. The output power of the component is 4 to 8.5 Watts.
The Allen-Bradley 1797-RPA repeater adapter module allows Flex Ex I/O series devices to connect to the ControlNet Ex network. It can operate in many kinds of industrial environments if it has the proper enclosure.
The 1797-RPFM module is a ControlNet FLEX Ex I/O fiber repeater module for medium-distance applications. The unit is produced by Allen-Bradley/Rockwell Automation.
The Allen-Bradley terminal base unit with the product code 1797-TB3 is made for the FLEX Ex I/O systems and it allows for up to 36 wiring connections in both directions. The unit is installed with a spring-clamp and it includes certifications from the CE, UL, C-UL, FM and other standards.
The 1797-TB3S terminal base is intended for the FLEX Ex I/O systems designed by Allen-Bradley/Rockwell Automation. The unit has a spring-clamp mounting and locking mechanism that secures the module in place on it. The 1797-TB3S terminal base is made according to European safety standards and it can be installed in hazardous locations.
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