Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 3500/61 133811-02 |
| Spare Model | 133811-02 |
| Product Type | Temperature Module |
| Brand | Bently Nevada |
| Series | 3500 Machinery Protection System |
| Channel Capacity | 6 channels |
| Main Temperature Module | 163179-02 |
| I/O Module | 133819-02 RTD/TC Non-Isolated I/O Module with Internal Terminations |
| Input Signal Type | RTD and thermocouple temperature signals |
| Recorder Outputs | Supported |
| Power Supply | 15-30 VDC |
| Power Consumption | Not specified in the provided data |
| ADC Resolution | 16-bit |
| RTD Accuracy | +/- 0.5 deg C typical |
| RTD Accuracy Equivalent | +/- 0.9 deg F typical |
| Programmable Alarms | Up to 4 per channel |
| Isolation | 500 V channel-to-channel and channel-to-ground |
| Operating Temp | -30 deg C to +65 deg C |
| Operating Temp Equivalent | -22 deg F to +149 deg F |
| Weight | 0.8 kg |
| Dimensions | 2.6 x 25.6 x 24.4 cm |
| Origin | USA |
Machinery Protection Signal Integration
Within a Bently Nevada 3500 machinery protection architecture, the 3500/61 133811-02 processes temperature data as part of the monitored machine condition. Temperature channels can therefore operate alongside vibration, position, speed, and other machinery-monitoring measurements within the same protection platform.
The module uses 16-bit analog-to-digital conversion and supports up to four programmable alarms per channel. In addition, 500 V channel-to-channel and channel-to-ground isolation reduces electrical interaction between connected measurement circuits.
For machinery diagnostic applications, temperature information can also support interpretation of rotor dynamics and mechanical operating conditions. However, temperature channels do not perform eddy-current probe scaling or direct gap voltage validation. Those functions apply to compatible proximity measurement channels, including systems using -10 VDC gap voltage targets.
Frequently Asked Questions
Q: How many temperature channels does the Bently Nevada 3500/61 133811-02 support?
A: The assembly provides six temperature monitoring channels for RTD and thermocouple input applications.
Q: What hardware components are included in the 3500/61 133811-02 assembly?
A: The assembly consists of main temperature module 163179-02 and RTD/TC non-isolated I/O module 133819-02 with internal terminations.
Q: Does the module provide programmable alarm capability?
A: Yes. Each channel supports up to four programmable alarms according to the provided specifications.
Field Installation Guidelines
Install the module and associated I/O hardware only in the specified Bently Nevada 3500 rack position and verify correct module-to-I/O assembly matching before applying power.
Route RTD and thermocouple field wiring separately from high-current power conductors, motor cables, and switching circuits. Where shielded instrumentation cable is used, terminate cable shields according to the system grounding design to prevent ground-loop currents.
Verify sensor type, terminal assignment, channel configuration, and alarm settings before placing the monitoring system into service. In addition, confirm the 15-30 VDC supply is within the specified operating range.
Before commissioning, check each temperature channel against the configured sensor input and verify recorder output connections where external recording equipment is installed.
Reviews
There are no reviews yet.