Brand: Bently Nevada Description: 138708-01 Condition: Brand New Certificate: COO TEST REPORT WARRANTY LETTER Warranty: 1 year Inventory Qty: 12 Payment Term: T/T Shipping Port: Shenzhen Bently Nevada 138708-01 Used in 3500 Series rack systems where absolute shaft-angle information is required—such as synchronous-generator phasor monitoring, multi-unit load sharing, and advanced turbine-generator synchronization.
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Manufacture |
Bently Nevada |
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Model Number |
3500/42M-07-00 |
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Ordering Number |
138708-01 |
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Catalog |
3500 |
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Description |
Shaft Absolute I/O Module |
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Country Of Origin |
USA |
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HS CODE |
85389091 |
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Dimension |
24*10*2.4 (CM) |
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Weight |
0.2 kg |
Ordering Information
Product Description
3500/42M-AA-BB
A: I/O Module Type
See I/O Module Types on page 19.
B: Hazardous Area Approval Option
00
None
01
CSA / NRTL / C (Class 1, Division 2)
02
ATEX / IECEx / CSA (Class 1, Zone 2)
Technical Parameters
Channels: 2 independent absolute angle inputs for the Bently Nevada 138708-01
Input Types:
1× or 2× key phasor markers (TTL/CMOS)
Up to 360 pulse per revolution encoder inputs (A/B quadrature)
Angle Range: 0° – 359.9° continuous in the Bently Nevada 138708-01; rollover at 360°
Resolution: 0.1° per count (programmable interpolation)
Accuracy: ± 0.5° over full speed range with Bently Nevada 138708-01
Speed Range: 0.1 Hz to 20 kHz marker or encoder frequency
Sampling Rate: 10 kHz internal processing for angle updates
Digital Outputs: Time‐stamped angle words over 3500 backplane bus
Isolation: ≥ 1 kV channel to chassis ground
Power: 24 V DC (18–32 V DC), ≤ 4 W module draw
Environmental:
Operating Temp: 0 °C to +70 °C
Storage Temp: –40 °C to +85 °C
Humidity: up to 95 % RH, non condensing for Bently Nevada 138708-01
Product function
Absolute Angle Measurement: Converts encoder and key phasor inputs into precise shaft angle data through Bently Nevada 138708-01.
Synchronization Support: Provides deterministic angle words to host controllers via Bently Nevada 138708-01 for phasor matching during operations.
Sequence of Events: Time stamps angle transitions for event logging.
Redundancy & Voting: Compares parallel angle streams to detect sensor faults with Bently Nevada 138708-01.
Application Areas
Generator Synch Check & Load Sharing: Ensures phase alignment using Bently Nevada 138708-01 before breaker closure.
Rotor Phase Protection: Detects torsional oscillations by monitoring angular deviations.
Advanced Control Schemes: Real time shaft phase information from Bently Nevada 138708-01 for predictive controllers.
Condition Monitoring: Correlates absolute angle data with vibration trends.
