Bently Nevada 990-08-XX-01-CN Vibration Transmitter Configured for vibration signal conditioning and loop transmission in Bently Nevada machinery condition monitoring systems...
اقرأ المزيد
Configured for vibration signal conditioning and loop transmission in Bently Nevada machinery condition monitoring systems (TSI), the Bently Nevada 990-08-XX-01-CN (990-08 Vibration Transmitter) provides direct physical/electrical execution.
Suffix Breakdown & Model Matrix
The designation 990-08-XX-01-CN is a fixed ordering configuration string within the 990 series transmitter family.
990: Vibration transmitter platform
08: Series variant defining mechanical and electrical configuration
No additional structured decoding is defined in the supplied technical data.
Hardware Specifications
Parameter
Specification
Model
990-08-XX-01-CN
Brand
Bently Nevada
Origin
USA
Weight
0.44 kg
Dimensions
10 cm x 7.5 cm x 5.2 cm
OperatingTemp
Not specified
PowerConsumption
Not specified (Requires +12 to +35 Vdc input)
Output Interface
Loop powered transmitter
Loop Resistance
Up to 1,000 ohm including cable at 35 Vdc
Current Limiting
23 mA typical
Mounting
35 mm DIN rail clip compatible
Input Type
Vibration transmitter signal conditioning
Eddy-Current Signal Scaling & TSI Conditioning Layer
The 990-08 platform integrates signal conditioning behavior aligned with machinery vibration monitoring chains where eddy-current probe scaling is normalized at the transmitter stage. The loop output is designed to maintain stable proportional translation of probe gap variation into conditioned current output. Gap voltage validation behavior is referenced against negative DC bias reference levels typical in proximity transducer systems (e.g., -10 VDC target alignment). Cross-channel interference suppression is implemented through internal filtering of high-frequency mechanical noise components to preserve rotor dynamic fidelity within TSI architectures.
Frequently Asked Questions
Q: Can the 990-08-XX-01-CN operate in a hot-swappable loop configuration? A: The device is loop-powered and does not define hot-swap capability in the supplied specification. Electrical isolation of the loop must be maintained during installation or removal.
Q: What is the maximum allowable loop resistance for signal integrity? A: Maximum loop resistance is specified as 1,000 ohm including cable resistance at 35 Vdc supply conditions.
Q: Does the transmitter require external signal conditioning hardware? A: The unit performs onboard vibration signal conditioning; external conditioning is not required for standard loop output operation.
Field Installation Guidelines
The transmitter shall be mounted on a standard 35 mm DIN rail using the integrated clip mechanism. Ensure mechanical locking is fully engaged to prevent vibration-induced displacement. Loop wiring must be routed using shielded twisted pair conductors with the shield terminated at a single-point ground reference to avoid ground loop currents. Maintain separation between power conductors and low-level signal wiring to reduce electromagnetic coupling. Terminal torque must follow standard industrial control wiring practice to ensure stable contact resistance over long-term operation.
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