Overview
The Bently Nevada 3500/61 TC isolated I/O module (133835-02) provides accurate thermocouple temperature monitoring for critical rotating machinery. It integrates with the 3500 Machinery Protection System to deliver real-time temperature data, enabling engineers to monitor equipment health continuously. Moreover, internal terminations simplify field wiring while minimizing signal noise and interference. In addition, the module ensures reliable performance under high electrical noise, vibration, and temperature variations common in industrial environments.
This module enhances predictive maintenance programs by detecting abnormal temperature patterns early, therefore helping maintenance teams prevent unplanned downtime. Consequently, it supports operational safety and equipment reliability across turbines, compressors, and generators.
Specification
| Parameter | Specification |
|---|---|
| Model | 3500/61 TC Isolated I/O Module |
| Part Number | 133835-02 |
| Module Type | Temperature input with internal terminations |
| Input Type | Thermocouples: J, K, T, E, R, S, B |
| Number of Inputs | 16 thermocouple channels per module |
| Input Isolation | Channel-to-channel isolation to prevent ground loops |
| Accuracy | ±0.25% of full scale typical |
| Signal Conditioning | Cold junction compensation and filtering included |
| Response Time | < 1 second typical for transient detection |
| Operating Temperature | 0°C to 70°C (32°F to 158°F) |
| Storage Temperature | –40°C to 85°C (–40°F to 185°F) |
| Power Supply | Supplied via 3500 rack backplane |
| Mounting | 3500 system rack, 19-inch compatible |
| Communication | Fully integrated with 3500 monitoring network |
| Certifications | CE, UL, cUL, IEC compliance |
| Additional Features | Hot-swap capable, LED status indicators, internal wiring termination blocks |
FAQ
Q1: What is the main purpose of the 3500/61 TC module?
It provides isolated thermocouple input acquisition for precise temperature monitoring of critical machinery.
Q2: How many thermocouple channels does this module support?
The module supports up to 16 thermocouple channels per unit.
Q3: Can it withstand harsh industrial environments?
Yes, it operates reliably under electrical noise, vibration, and temperatures from 0°C to 70°C.
Q4: Is the module compatible with the 3500 Machinery Protection System?
Yes, it integrates fully with the Bently Nevada 3500 system for real-time monitoring and protection.
Q5: How does it simplify field wiring?
Internal terminations reduce wiring complexity and improve signal integrity across all channels.
Q6: Can the module be replaced without shutting down the system?
Yes, it supports hot-swap installation for maintenance without system interruption.
Manual/Datasheet PDF
Bently Nevada Top Products
| 3500 | 3300 | Probe&Cable |
| 3500/05-01-01-00-00-00 | 3300/05-22-00-00 | 990-04-70-01-00 |
| 3500/05-01-01-05-00-01 | 3300/05-24-00-00 | 990-04-70-02-00 |
| 3500/05-01-02-05-00-01 | 3300/45-02-01-03-00 | 990-04-XX-01-00 |
| 3500/05-01-03-05-00-01 | 3300/45-02-02-03-00 | 990-04-XX-03-00 |
| 3500/05-02-04-00-00-00 | 3300/48-01-01-01-00 | 990-05-50-02-01 |
| 3500/05-02-04-00-00-01 | 3300/48-02-01-00-00 | 990-05-70-01-00 |
| 3500/05-02-05-00-00-00 | 3300/50-01-01-00-00 | 990-05-70-01-01 |
| 3500/05-02-05-00-00-01 | 3300/50-02-01-00-00 | 990-05-70-02-00 |
| 3500/20 125744-02 | 3300/20-13-02-01-00-00 | 990-05-70-03-00 |
| 3500/22 125768-01 | 3300/40-13-01-01-00-00 | 990-05-XX-03-05 |
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