Configured for axial displacement signal conditioning in proximity-based monitoring loops, the Bently Nevada 991-06-XX-01-00 MOD:169955-01 (991-06-XX-01-00 Thrust Transmitter) provides direct physical/electrical execution. The device processes probe-derived gap variation signals into proportional thrust displacement outputs using internal signal conversion logic.

Hardware Specifications

Eddy Current Thrust Signal Conversion Behavior

The 991 transmitter processes eddy-current probe inputs into calibrated thrust displacement values based on gap voltage variation across the sensing interface. Signal linearization is referenced against system-specific scaling constants defined by the 3300/990/991 architecture.

Gap voltage interpretation follows a proportional conversion curve derived from probe face displacement relative to target shaft position. Output stability is dependent on consistent probe excitation conditions and stable return path impedance in the measurement loop.

Cross-channel interference is minimized through internal shielding layout and controlled grounding reference within the DIN-rail mounted enclosure. Improper grounding configuration can introduce offset drift in the transmitted displacement signal.

Technical Questions

Q: Is the 991 transmitter a direct sensor?
A: No. It functions as a signal conditioning module for external eddy-current proximity probes.

Q: Can the full-scale range be adjusted in field conditions?
A: Full-scale range is defined by configuration variant and cannot be dynamically altered without model specification change.

Q: Does the module require external excitation voltage?
A: Yes. It operates within a system-dependent excitation loop provided by compatible proximity measurement systems.

Q: What is the function of DIN-rail mounting?
A: It provides mechanical fixation and electrical grounding reference for stable signal reference integrity.

Q: What happens if grounding is improperly implemented?
A: Ground loop currents may introduce measurement offset and reduce thrust signal stability.

Field Installation Guidelines

Mount the transmitter on a 35 mm DIN rail with secure mechanical locking to prevent vibration-induced displacement. Ensure enclosure grounding is connected to a single-point earth reference.

Route probe input cables separately from high-voltage switching conductors to minimize electromagnetic coupling. Maintain continuous shielding from probe head to transmitter input terminals.

Verify polarity and connector seating before energization of the measurement loop. Avoid mechanical stress on input terminals during cable routing.

Maintain environmental conditions within industrial cabinet limits and ensure adequate ventilation around DIN-rail assemblies.

Ordering Info

• 991-06-XX-01-00 MOD:169955-01 Thrust Transmitter

• DIN-rail mounting clips (35 mm standard)

• Anti-static sealed packaging

• Installation reference documentation

• System-compatible configuration variant (as specified)

Delivery Information

Delivery time: 2-7 days when payment finish via DHL, FedEx, or UPS. Anti-static industrial packaging with shock-absorbing insert and moisture-protected export carton is applied for international transport integrity.