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- Overview
- Specifications
- Description
- Applications
- Troubleshooting and Maintenance Recommendations
- FAQ
- Recommended Products
Overview
Place of Origin: |
USA |
Brand Name: |
Bently Nevada |
Model Number: |
135489-01 |
Packaging Details: |
Original new Factory Sealed |
Delivery Time: |
5-7 days |
Payment Terms: |
T/T |
Supply Ability: |
In stock |
Specifications
|
Description |
Specification |
|
Model |
135489-01 |
|
Part name |
I/O Module |
|
Dimensions |
2.5x18.6x24cm |
|
Weight |
0.94kg |
|
Internal barriers |
With internal barriers (internal terminations, 4× Prox/Accel) |
|
Supply voltage |
23.9 V |
|
Supply current |
45.5 mA |
|
Power consumption |
1.09 W |
|
Operating temperature (internal/external termination I/O module) |
-30°C to +65°C (-22°F to +150°F) |
|
Operating temperature (internal barrier I/O module) |
0°C to +65°C (32°F to +150°F) |
|
Storage temperature |
-40°C to +85°C (-40°F to +185°F) |
|
Humidity |
95% non-condensing |
|
Rack space requirements |
1 full-height rear slot |
|
Radial vibration direct filter |
-3 dB at 4 Hz to 4000 Hz or 1 Hz to 600 Hz ±1% accuracy, user-programmable |
|
Radial vibration gap filter |
-3 dB at 0.09 Hz |
|
Radial vibration notch filter (not 1X) |
60 cpm to 15.8× running speed; Constant Q notch; min rejection -34.9 dB |
|
Radial vibration Smax |
0.125 to 15.8× running speed |
|
Radial 1X/2X vector filter |
Constant Q; min rejection -57.7 dB |
|
Thrust & differential expansion accuracy |
±0.33% full-scale typical; ±1% maximum |
|
Thrust & differential direct filter |
-3 dB at 1.2 Hz |
|
Thrust & differential gap filter |
-3 dB at 0.41 Hz |
|
Direct & gap accuracy |
±0.33% full-scale typical; ±1% maximum |
|
1X & 2X accuracy |
±0.33% full-scale typical; ±1% maximum |
|
Smax accuracy |
±5% maximum |
Description
The 135489-01 is a high-performance I/O module in the Bently Nevada 3500/42M displacement seismic monitoring system. This module is primarily used to connect and monitor eddy current sensors and accelerometers located in hazardous areas. It effectively prevents unsafe energy from entering the field, providing a robust safety barrier for the entire industrial monitoring chain while ensuring monitoring accuracy.
Applications
Power plant: turbine rotor displacement sensors to protection system, sending signals to control rack.
Chemical plant: reciprocating compressor shaft vibration transmitters to control cabinet, sending vibration signals.
Refinery: main fan bearing temperature sensors and alarms to control room, sending temperature and status signals.
Steel plant: blast furnace blower speed sensors to protection board, sending frequency signals.
Troubleshooting and Maintenance Recommendations
Troubleshooting: If the system reports a sensor OK limit fault, check the connection tightness of the internal terminal of 135489-01. Since this module integrates an isolation barrier, if the output voltage deviates from 23.9V, check if a short circuit in the downstream sensor has triggered the current limiting protection.
Maintenance Recommendations: Given that the upper limit of the operating temperature for isolated modules is 65°C, it is recommended to ensure good ventilation space at the rear of the rack. During annual calibration, the suppression performance of the 1X/2X vector filters should be carefully checked.
FAQ
Q: Does 135489-01 module include a safety barrier, and how many channels does it support?
A: It has a built-in internal safety barrier and supports 4 displacement/acceleration channels.
Q: What is the operating voltage and power consumption of 135489-01 during operation?
A: Operating voltage is 23.9 V, total power consumption is 1.09 W.
Q: What is the temperature range of the safety barrier version of 135489-01?
A: Operating temperature range is 0°C to +65°C.
Q: How is the 1X/2X vector filter performance of 135489-01?
A: It uses a constant Q factor, with a minimum rejection ratio of -57.7 dB.
Q: What is the typical axial displacement measurement accuracy of 135489-01?
A: Typical accuracy is ±0.33% of full scale.
