Product Name:Monitor+TD/ Isolated Tip TC I/O Module
Brand Name: Bently Nevada
Model Number:3500-65 145988-02+172109-01
Country of Origin:USA
Warranty: 12 Months
Whatsapp：+86 18159889985
Email：[email protected]
Brand Name: |
Bently Nevada |
Model Number: |
3500-65 145988-02+172109-01 |
Country of Origin: |
USA |
Packaging Details: |
Original new Factory Sealed |
Delivery Time: |
Delivery time in stock |
Payment Terms: |
T/T |
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Sales Manager: |
Stella |
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Send an email: |
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Contact in Whatsapp: |
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Parameter |
Specification |
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Monitor Part Number |
145988-02 (3500/65 16-Channel Temperature Monitor) |
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I/O Module (Internal Terminations) |
172103-01 |
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I/O Module (External Terminations) |
172109-01 |
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Product Type |
16-Channel Temperature Monitor |
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Number of Channels |
16 independently programmable channels |
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Form Factor |
Main module: 1 full-height front slot; I/O module: 1 full-height rear slot |
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Power Consumption |
3 watts nominal |
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Input Impedance |
Greater than 1 MΩ for each lead input |
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Sensor Types |
RTD (3-wire or 4-wire) and isolated tip thermocouple (TC) |
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TC Type E Range |
-100°C to +1000°C (-148°F to +1832°F) |
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TC Type J Range |
0°C to +760°C (32°F to +1400°F) |
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TC Type K Range |
0°C to +1370°C (32°F to +2498°F) |
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TC Type T Range |
-160°C to +400°C (-256°F to +752°F) |
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Platinum RTD (α=0.00385) Range |
-200°C to +850°C (-328°F to +1562°F) |
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Platinum RTD (α=0.00392) Range |
-200°C to +700°C (-328°F to +1292°F) |
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Nickel RTD (120 Ω) Range |
-80°C to +260°C (-112°F to +500°F) |
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Copper RTD (10 Ω) Range |
-100°C to +260°C (-148°F to +500°F) |
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RTD Current Source |
913 ± 7 μA @ 25°C per transducer |
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Resolution |
1°C or 1°F (software selectable) |
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Accuracy |
±3°C at +25°C (±5.4°F at +77°F) |
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Alarm Setpoints |
Programmable Alert and Danger from 0 to 100% of full scale, ±0.13% accuracy |
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Alert Delay |
1 to 60 seconds, 1-second increments |
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Danger Delay |
1 to 60 seconds, 0.5-second increments |
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Operating Temperature |
-30°C to +65°C (-22°F to +150°F) |
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Storage Temperature |
-40°C to +85°C (-40°F to +185°F) |
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Humidity |
95%, non-condensing |
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Main Module Dimensions (H×W×D) |
241.3 mm × 24.4 mm × 241.8 mm (9.50 in × 0.96 in × 9.52 in) |
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Main Module Weight |
0.91 kg (2.0 lbs) |
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I/O Module Dimensions |
241.3 mm × 24.4 mm × 99.1 mm (9.50 in × 0.96 in × 3.90 in) |
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I/O Module Weight |
0.45 kg (1.0 lb) |
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Indicators |
OK LED (module health), TX/RX LED (communication), Bypass LED |
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Front Panel Controls |
None (fully software configurable via 3500 Rack Configuration Software) |
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Configuration |
3500 Rack Configuration Software (no calibration required; full-scale range field configurable) |
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Certifications |
CE (EMC Directive 2014/30/EU, LV Directive 2014/35/EU), RoHS, FCC Part 15, China RoHS (EFUP 15 years), cNRTLus (Class I, Div 2), ATEX/IECEx |
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Processing Accuracy |
Better than 0.01% of reading; temperature coefficients <25 ppm/°C |
The BENTLY NEVADA 3500/65 monitor (P/N 145988-02) is a high-density 16-channel temperature monitoring module for the 3500 Machinery Protection System. When paired with the 172103-01 (internal terminations) or 172109-01 (external terminations) I/O module, it accepts both RTD and isolated tip thermocouple inputs. The module conditions these signals and compares them against user-programmable alarm setpoints. In TMR configurations, three adjacent monitors use dual voting logic to eliminate single-point failures. Programming is performed via 3500 Rack Configuration Software.
Steam and gas turbines – bearing temperatures, exhaust gas temperatures
Generators – stator winding, bearing metal, and cooling air temperatures
Centrifugal and reciprocating compressors – interstage and discharge temperatures
Pumps – bearing temperature monitoring for wear prevention
Power plants – boiler tube temperature monitoring, turbine shell temperature
Oil and gas facilities – pipeline compressor station thermal monitoring
Chemical processing – reactor temperature control
Manufacturing – motor winding temperature in steel mills and paper mills
Offshore platforms – temperature monitoring on rotating equipment
16 independent temperature input channels in a single full-height module
Accepts both RTD (3-wire and 4-wire) and isolated tip thermocouple inputs simultaneously
Platinum RTD (α=0.00385) recommended as the worldwide industrial standard
Field-configurable full-scale range for each channel via 3500 Configuration Software
No calibration required for the module
Programmable Alert and Danger alarm setpoints with independent time delays
Both under‑alarm and over‑alarm capabilities
Front panel LEDs provide real-time operational status
TMR (Triple Modular Redundant) support for high-availability applications
Hot‑swappable replacement without rack power‑down
Enhanced diagnostics with open-circuit and short-circuit detection for RTD and TC inputs
Built‑in cold junction compensation for thermocouple measurements
High input impedance (>1 MΩ) ensures accurate low-level signal acquisition
Flexible termination options: internal termination (172103-01) or external termination (172109-01)
Multi‑Channel Temperature Monitoring – Simultaneously monitors up to 16 independent temperature points (RTD or thermocouple) in a single module
Signal Conditioning – Converts raw RTD resistance and thermocouple millivolt signals into calibrated engineering units (°C or °F)
Cold Junction Compensation – Automatically compensates for ambient temperature variations at the thermocouple terminals to ensure measurement accuracy
Programmable Alarm Generation – Compares measured values against user‑defined Alert and Danger setpoints and triggers alarms when thresholds are exceeded
Alarm Timing Logic – Applies user‑programmable time delays (1–60 seconds in adjustable increments) to prevent nuisance alarms
TMR Voting – In Triple Modular Redundant configurations, groups of three adjacent monitors employ dual voting logic to ensure accurate operation and avoid single‑point failures
Communication with RIM/TDI – Transmits temperature data and alarm status to the Rack Interface Module or Transient Data Interface via the 3500 backplane
Status Indication – Front panel LEDs (OK, TX/RX, Bypass) signal module health, bus communication status, and bypass mode activation
Sensor Fault Detection – Continuously monitors sensor integrity; detection of open or short circuits triggers appropriate alarms
Data Storage – Maintains historical temperature trend data for post‑event analysis
Low Power Draw – Consumes only 3 watts nominal, suitable for rack installations at temperature extremes
Q1: What are the differences between the 3500/65 I/O module 172103-01 (internal terminations) and 172109-01 (external terminations)?
A1: The 172103-01 features internal terminations, where sensors are wired directly to a connector header on the I/O module itself. The 172109-01 features external terminations, requiring an external termination block (part number 172115-01) and separate cable assembly for sensor connections. External termination provides more flexibility for installations where the I/O module is not readily accessible or where standardized wiring practices are used. Neither can be used with the opposite termination method.
Q2: Does the 3500/65 support mixing RTD and thermocouple inputs on the same module?
A2: Yes, the 3500/65 supports mixed input configurations. You can independently configure each of the 16 channels to accept either a 3-wire RTD, 4-wire RTD, isolated tip thermocouple, or any combination thereof. This flexibility eliminates the need for separate modules for different sensor types, reducing rack space and system cost. Platinum RTD (α = 0.00385) is the recommended RTD type for all applications.
Q3: What are the software and firmware requirements when adding a 3500/65 to an existing system?
A3: Before adding a 3500/65 module, ensure your system meets these minimum requirements: 3500/22 TDI module firmware Revision 1.50 or later, 3500/01 software Version 3.85 or later, and System 1 software Revision 5.2 with Service Pack 2 or later. The 3500/65 is not supported with legacy 3500/02 or 3500/03 software, and attempting to use it may prevent proper software operation.
Q4: How do I configure the 3500/65 for Triple Modular Redundant (TMR) operation?
A4: For TMR configurations, you must install three 3500/65 temperature monitors in three physically adjacent slots in the 3500 rack. In this configuration, the system employs two types of voting to ensure accurate operation and eliminate single-point failures. Dual voting logic continuously compares readings from all three monitors and applies consensus algorithms before initiating any protection action. Do not use the 3500/65 as a stand-alone monitor in TMR-rated racks; always stock and install triple modules.
Q5: What happens if I replace a 3500/65 I/O module without updating the monitor firmware first?
A5: When replacing an older I/O module (e.g., 172109-01 Rev D, 172103-01 Rev F, 172115-01 Rev E, or any future revision) with a newer one, you must remove the I/O module, then upgrade the monitor firmware to the latest released version, and finally install the new I/O module. Failure to perform the firmware upgrade in the correct sequence results in an “I/O Module Mismatch” error and a “562 ADC Failure” recorded in the System Event List. Always back up the rack configuration before performing any firmware updates.
Inguiry Now: [email protected]
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