3500/64M 140734-05 Bently Nevada Dynamic Pressure Monitor PLC Module
The Bently Nevada 3500/64M 140734-05 Dynamic Pressure Monitor PLC Module is a single - slot, four - channel monitor used for monitoring dynamic pressure1. Here is a detailed introduction:
- Basic Information1: The module's model is 3500/64M, and its part number is 140734 - 05. It is designed to receive input from high - temperature pressure sensors, with each channel capable of measuring band - pass dynamic pressure. It can be configured using 3500 Rack Configuration Software to set the band - pass angular frequency and an additional notch filter.
- Function and Feature1
- Alarm Function: It continuously compares the monitored parameters with the configured alarm set values to drive alarms and protect the machine. Alarm and danger set values can be configured for each active measurement variable. Each channel, based on the configuration, limits the various parameters generated by its input signal, which are called the measured variables.
- Filtering Mode: There are low and high - filtering mode options. Channel 1 and Channel 2 form a pair, and Channel 3 and Channel 4 form another pair. The two channels within a pair must operate in the same filtering mode. Additionally, the module supports a cascading mode, represented as 1>ALL in the 3500 Rack Configuration Software. In this mode, signal processing can be set so that the monitor only provides the input of Channel 1 to all four channels. Moreover, a single sensor can provide input filtering requirements for four different channels, enabling the configuration of four separate band - pass filter options and four independent full - scale ranges.
- Application Scenarios: The 3500 series monitoring system, of which this module is a part, is suitable for real - time monitoring and alarming of key rotating equipment such as turbines, compressors, and pumps. The 3500/64M dynamic pressure monitor, in particular, is mainly used in scenarios where dynamic pressure monitoring of high - temperature pressure sensors is required, such as in the monitoring and protection of the main body vibration of large - scale rotating and reciprocating machinery15. When used as part of a safety - instrumented system, it can provide safety certification for applications that require it, reaching Safety Integrity Level (SIL) 2.
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