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Keterangan
Bently Nevada 149787-01 TIM Input Card
The Bently Nevada 149787-01, also cataloged as the 149787-01 TIM Input Card, operates as a dedicated hardware component for simultaneous vibration signal acquisition within the Trendmaster Dynamic Scanning Module (DSM) system. It processes TIM sensor inputs through two independent input lines with synchronized sampling capability.
Hardware Specifications
Parameter
Specification
Model
149787-01
Brand
Bently Nevada
Product Type
TIM Input Card
System Platform
Trendmaster Dynamic Scanning Module (DSM)
Input Lines
2 input lines per card, both lines sampled simultaneously
Supported TIM Modules
All proTIM modules, 1900/15, 1900/25, 1900/55
TIM Cable Length
1200 m (4000 ft) maximum
A/D Resolution
14 bits
Accuracy
+/-2% of full-scale range
Short Circuit Current Limit
43 mA maximum
Hardware Frequency Response
1/3 Hz and 20 kHz 3 dB corners
Direct Filter
2-pole high-pass, 1 Hz to 12.8 kHz
Prime Spike Filter
4-pole high-pass, 1 Hz to 12.8 kHz; 2-pole low-pass, 10 Hz to 12.8 kHz
Rotor Region Filter
2-pole high-pass, 1 Hz to 12.8 kHz; 2-pole low-pass, 10 Hz to 12.8 kHz
Eddy-Current Signal Scaling and Rotor Dynamics Processing
The 149787-01 TIM Input Card acquires dynamic machinery signals through TIM interface modules and transfers conditioned measurement data into the DSM architecture. Moreover, the module supports vibration monitoring applications that require accurate signal conversion and frequency-domain analysis.
The input architecture maintains synchronized sampling across two TIM lines. Therefore, the card can process multiple sensor channels through connected proTIM modules while preserving timing relationships required for rotor dynamics evaluation.
The card supports configurable filtering paths, including direct filtering, prime spike filtering, rotor region filtering, and high frequency filtering. These functions allow the monitoring system to separate vibration components according to measurement frequency requirements.
Frequently Asked Questions
Q: How many TIM input lines does the 149787-01 TIM Input Card support? A: The card supports two TIM input lines, and both lines are sampled simultaneously.
Q: Does the 149787-01 support synchronous waveform acquisition? A: Yes. The module supports software-configurable synchronous waveforms with 32, 64, or 128 samples per revolution and waveform sizes up to 8192 samples.
Q: Which TIM modules can connect to the 149787-01? A: The card supports all proTIM modules, including 1900/15, 1900/25, and 1900/55 TIM modules.
Field Installation Guidelines
Install the 149787-01 TIM Input Card only in the designated DSM rack slot configuration defined by the Trendmaster system hardware manual.
Connect TIM cables according to the approved wiring layout and maintain proper cable routing separation from high-voltage power conductors to reduce electrical interference.
Use appropriate cable shielding and grounding practices at the system connection points. Avoid unnecessary cable loops and mechanical stress on TIM connectors during installation.
Verify TIM module compatibility before commissioning. Check input signal behavior, communication status, and waveform acquisition settings through the connected monitoring software.
