3500/42M（176449-02） preamplifier seismic monitoring instrument
3500/42M is a preamplifier seismic monitoring component developed by Bently Nevada. It is a four channel monitor with proximity and seismic sensor inputs. It compares the adjustment signal with user programmable alarms and adjusts the signal to generate vibration and position readings. The 3500 rack configuration software can be used to program each channel to monitor and report radial vibration, thrust position, REBAM, acceleration, expansion difference, eccentricity, velocity, and other parameters.
3500/42M characteristics
The monitoring channels are paired and can perform up to two specified functions simultaneously. For example, channels 1 and 2 can perform one function, while channels 3 and 4 can perform another or the same function.
The Proximitor earthquake monitor protects machinery by comparing monitoring parameters in real-time with selected alarm setpoints and triggering alarms. It reports critical machine information to operation and maintenance staff.
According to the arrangement, each channel typically adjusts its input signal to generate a set of static values. Alarm setpoints can be established for any current static value, and danger setpoints can be set for any two of them.
Use rack configuration software to set alarm levels for any value measured by the monitor, and set danger setpoints for any two values measured by the monitor. For each measurement value, the alarm can be set to 0 to 100% of full scale. When the full-scale range exceeds the range of the sensor, the set point is limited by the sensor range.
3500/42M Technical Features
input
Accept signals from one to four proximity, acceleration, or velocity sensors.
Power consumption is 7.7 watts.
output
When the monitoring module is working normally, the OK LED light is on.
When the earthquake monitoring module is connected to other modules in the 3500 rack, the TX/RX LED lights up.
If the earthquake monitor is in bypass mode, the bypass LED indicator will light up.
Buffer sensor: Each channel has its own coaxial connector on the front of the display. Each connector is equipped with built-in short-circuit protection.
550 ohm output impedance
Axis power supply -24 Vdc
Resolution 0.3662A per bit
Sensor power supply -24 Vdc
Absolute output impedance of 300 ohms
Product series：
PLC and DCS system spare modules from world-renowned brands
Allen Bradley (AB) series products from the United States
Schneider series products
General Electric Series Products
Westinghouse Series Products
Selling ABB Robots FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、Panasonic Robots、MOTOMAN Robots。
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Sequential control, trapezoidal logic control, accident recall processing, digital to analog conversion, input/output signal processing
Data communication and processing, etc.
Westinghouse: 1C31 series DCS system, CPU, OVATION system, WDPF system
WEStation system spare parts.
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Modicon: Spare parts for AS series PLC systems.
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Motorola: MVME 162, MVME 167, MVME1772, MVME177 and other series.
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