Description

Bently Nevada 3500/62 133811-03 Process Variable Monitor

The Bently Nevada 3500/62 133811-03, also cataloged as the 133811-03 Process Variable Monitor, operates as a dedicated hardware component for process signal measurement within the Bently Nevada 3500 Monitoring System. It accepts voltage and current input signals and processes analog process variables for machinery protection applications.

Hardware Specifications

Parameter	Specification
Model	3500/62 133811-03
Brand	Bently Nevada
Product Type	Process Variable Monitor
Origin	USA
Weight	1.26 kg
Dimensions	5.5 x 29 x 23 cm
Operating Temp	-30 deg C to +65 deg C
Storage Temp	-40 deg C to +85 deg C
Humidity	95%, noncondensing
Input Type	+/-10 VDC I/O, -10 VDC to +10 VDC; 4-20 mA Barrier I/O
Voltage Compliance	13.66 V
Isolation	500 Volts
Power Consumption	7.0 Watts typical
Accuracy	Within +/-0.33% of full scale typical, +/-1% maximum
Monitoring Platform	Bently Nevada 3500 Series

Eddy-Current Signal Processing and Gap Voltage Validation

The 3500/62 133811-03 Process Variable Monitor processes analog signals through defined input ranges for integration with the 3500 rack architecture. The module supports voltage and current input measurement, including +/-10 VDC signals and 4-20 mA barrier inputs.

For applications involving eddy-current measurement systems, signal scaling and gap voltage validation methods are applied to maintain correct transducer measurement conditions. The module supports monitoring configurations where rotor displacement and machine process variables require consistent electrical signal conversion.

Moreover, the module architecture provides 500 Volt isolation between signal circuits, reducing interference from external electrical sources. This isolation supports stable data acquisition in machinery monitoring environments where signal integrity is required.

Frequently Asked Questions

Q: What input signal types does the 3500/62 133811-03 support?
A: The module supports +/-10 VDC analog inputs and 4-20 mA DC barrier inputs for process variable monitoring applications.

Q: What is the typical power consumption of this Process Variable Monitor?
A: The module consumes approximately 7.0 Watts under typical operating conditions.

Q: Does the module provide electrical isolation?
A: Yes. The 3500/62 133811-03 provides 500 Volt isolation for signal circuit separation.

Field Installation Guidelines

• Install the module in a compatible Bently Nevada 3500 rack configuration.
• Verify rack power availability before module insertion or removal.
• Connect field wiring according to the specified voltage and current input requirements.
• Use appropriate shielded signal cables for analog measurement circuits.
• Ground cable shields according to site electrical grounding practices to reduce electromagnetic interference.
• Separate low-level analog signal wiring from high-voltage power cables during installation.
• Confirm input polarity and signal range configuration before commissioning.

Specifications

• Brand: Bently Nevada

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems