Bently Nevada 1900/65 General Purpose Equipment Monitor

Bently Nevada 1900/65 General Purpose Equipment Monitor

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The 1900/65 General Purpose Equipment Monitor is a machinery vibration monitor designed to continuously monitor and protect equipment used in a variety of applications and industries. The low cost of the 1900/65 makes it the ideal solution for machines and processes that can benefit from continuous monitoring and protection, but can’t justify thecost of traditional monitors.

The 1900/65 provides four vibration inputs and four temperature inputs. Each vibration input is software-configurable to support 2- and 3-wire accelerometers, velocity sensors or proximity sensors. The temperature inputs support Type E, J, K and T thermocouples. Outputs Six relay outputs are available that can be programmed to open or close contacts according to user-defined logic statements operating on the OK, Alert and Danger statuses of any channel, or combination of channels. Four 4-20 mA recorder outputs are provided. Each recorder output can be software configured to output any Variable from any channel. The input signal on each vibration input is also available on a dedicated buffered output. A Modbus Gateway is available as an option, allowing the monitor to serve static variables, statuses, event list, time and date information directly to any Modbus client, including Distributed Control Systems (DCSs), Supervisory Control and Data Acquisition (SCADA) systems, Programmable Logic Controllers (PLCs) or System 1. The monitor uses an internal counter, and a time reference sent from the Modbus® client, to generate time and date. Monitors ordered without the Modbus Gateway can be upgraded by ordering the 1900/01 Communications Upgrade (see the Ordering Information section). A Modbus/TCP (Ethernet) to Modbus/RTU (serial) converter is available to support serial Modbus (see the Accessories section).
Monitor operation and the Modbus Gateway register map are defined by creating a configuration file using software running on a laptop or PC and downloading the file to
the monitor through the built-in Ethernet connection. Configuration information is stored permanently in non-volatile memory, and can be uploaded to the PC for changes.
Display Module
The 1900/65 monitor can operate with an optional display/keypad when an application requires being able to view channel information or make minor configuration changes as a stand-alone package. If desired, the display can be mounted up to 75 meters (250 feet) from the Monitor Module.

Feature Summary
• Continuous monitoring and protection is suitable for auto-shutdown applications
• Monitor can be used for stand-alone operation or networked using Modbus/TCP communications via 10BaseT/100BaseTX Ethernet
• Small package. Monitor Module: 196.9 mm x 149.4 mm x 74.4 mm (7.75” x 5.88” x 2.93”). Monitor Module with attached Display Module: 196.9 mm x 149.4 mm x 97.8 mm (7.75” x 5.88” x 3.85)”
• May be DIN rail or bulkhead mounted
• Accepts 18 to 36 Vdc power. Optional 110-220 Vac external supply is available
• ۲۴-bit ADC conversion
• Four vibration/position inputs
• Four temperature inputs
• Configurable scale factors and full scale ranges
• Up to four processed variables per channel with independent integration and filter control
• Internal OK checking with status
• Independent Alert and Danger setpoints
• Event list
• Six relay outputs. Relay operation is programmable
• Buffered outputs for each transducer channel
• Four configurable 4-20 mA recorder outputs
• Optional NEMA 4X/IP68 fiberglass housing with window for display
• Painted or stainless steel weatherproof door for panel-mount display
• Hazardous area approvals

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