3500/61-05-CN | Bently Nevada | 3500/61 Recorder Output

Bently Nevada 3500/61-05-CN 3500/61 Temperature Module with Recorder Outputs

SKU 3500/61-05-CN

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12-month warranty
Free returns within 30 days

Manufacturer: Bently Nevada
Product No.: 3500/61-05-CN
Origin United States
Product Type: Recorder Output Modules
Payment: T/T, Western Union
Weight: 0.91 kg
Dimensions: 241.3 mm x 24.4 mm x 241.8 mm
Shipping port: Xiamen
Warranty: 12 months

Product Documentation

Technical Datasheet (PDF) Complete specifications and technical drawings.

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Product Description

Description

The 3500/61-05-CN is a full-height, six-channel instrumentation module designed to provide continuous temperature monitoring and precise proportional analog signaling within the 3500 Series Machinery Protection System. This specialized monitor accepts raw inputs from Resistance Temperature Detectors (RTD) and Thermocouples (TC), conditions the signals, and evaluates the data against user-programmable alert and danger alarm thresholds. Distinct from its companion module, this component provides independent +4 to +20 mA recorder outputs for each of its six channels, allowing seamless integration with external distributed control systems (DCS), strip chart recorders, or plant-wide data loggers. Operating within a standard 3500 rack frame, it supports field configuration via the 3500 Rack Configuration Software and accommodates non-isolated layouts with internal safety barriers to maintain loop integrity across diverse industrial machinery environments.

Features

Six comprehensive temperature monitoring channels accepting mixed combinations of RTD and Thermocouple sensors.
Dedicated +4 to +20 mA analog recorder outputs per channel, proportional to full-scale monitor values and completely unbothered by external short circuits.
Integrated software-programmable Alert and Danger setpoints covering 0 to 100% of the active sensor scale.
Configurable alarm time delays adjustable from 1 to 60 seconds to mitigate transient signal trips.
Front-panel diagnostic LEDs providing instant status evaluation for Module OK, Bypass Mode, and active TX/RX communication bus traffic.
Support for non-isolated I/O architectures featuring internal safety barriers to protect delicate processing loops.

Applications

Continuous thermal tracking of industrial motor and generator stator windings.
Radial and thrust bearing temperature monitoring on critical turbomachinery, pumps, and industrial compressors.
Exhaust gas temperature logging for gas turbines and heavy processing machinery.
Multi-channel temperature voting logic integration for automated machinery trip systems.

Technical Specifications

Category	Specification	Data
Electrical	Power Consumption	9 watts nominal
	Input Signal Capacity	1 to 6 RTD or TC transducer signals
	Input Impedance	10 MOhm for each lead input
	RTD Current Source Value	925 +/-15 microA @ 25 degC per transducer
Outputs	Recorder Output Signal	+4 to +20 mA DC (proportional to full-scale)
	Voltage Compliance Range	0 to +12 Vdc across load
	Load Resistance Range	0 to 600 Ohm
	Recorder Resolution	0.3662 microA per bit
	Recorder Error	+/-0.15% at room temp, +/-0.4% over temperature range
Performance	Alarm Setpoint Range	Adjustable from 0 to 100% of full-scale
	Alarm Setpoint Accuracy	Within 0.13% of the desired value
	Alert Delay Intervals	1 to 60 seconds in 1 second intervals
	Danger Delay Intervals	1 to 60 seconds in 0.5 second intervals
	Temperature Resolution	1 degC or 1 degF
Environmental	Operating Temperature (Internal Barriers)	0 degC to +65 degC (32 degF to +150 degF)
	Storage Temperature Range	-40 degC to +85 degC (-40 degF to +185 degF)
	Ambient Operating Humidity	95%, non-condensing maximum
Mechanical	Monitor Module Dimensions (H x W x D)	241.3 mm x 24.4 mm x 241.8 mm (9.50 in x 0.96 in x 9.52 in)
	Monitor Module Weight	0.91 kg (2.0 lb)
	I/O Module with Internal Barriers (H x W x D)	241.3 mm x 24.4 mm x 163.1 mm (9.50 in x 0.96 in x 6.42 in)
	I/O Module with Internal Barriers Weight	0.46 kg (1.01 lb)
	Front Rack Space Requirements	1 full-height front slot
	Rear Rack Space Requirements	1 full-height rear slot
	Manufacturer	Bently Nevada

Connections/Interfaces

Terminal / Component Interface	Function
Front Panel OK LED	Indicates when the Temperature Monitor is operating properly
Front Panel TX/RX LED	Flashes to indicate active communication with other modules in the rack
Front Panel Bypass LED	Illuminates when the channel or monitor is placed into Bypass Mode
Rear I/O Terminals	Direct termination points for physical RTD and Thermocouple field wiring
Recorder Output Interface	Parallel connections providing independent +4 to +20 mA diagnostic loops

Installation Guidelines

Main Card Insertion: Mount the primary monitor module into any available full-height slot positioned to the right of the Rack Interface Module.
I/O Module Positioning: Install the matching RTD/TC non-isolated internal barrier I/O module into the corresponding full-height rear slot directly behind the main front monitor.
Cable Strain Relief: Route external sensor leads separately from noisy high-voltage distribution lines to eliminate electromotive interference across non-isolated circuits.
Configuration Verification: Prior to plant operation, define precise sensor curves (alpha values) and scaling attributes within the 3500 Configuration Software utility.

Compliance and Certifications

EMC Directives: 2014/30/EU.
EMC Standards: EN 61000-6-2 (Immunity for Industrial Environments), EN 61000-6-4 (Emissions for Industrial Environments), EN 55011 Class A.
Electrical Safety: 2014/35/EU Low Voltage Directive; EN 61010-1.
Hazardous Area Approvals (with Internal Barriers): CSA/NRTL/C Class I, Division 2, Groups A, B, C, and D (with IS Output for Division 1); Class I, Zone 2: AEx/Ex nA nC ic [ia Ga] IIC T4 Gc or AEx/Ex ec nC ic [ia Ga] IIC T4 Gc.
ATEX/IECEx (with Internal Barriers): Ex II 3(1) G; Ex nA nC ic [ia Ga] IIC T4 Gc or Ex ec nC ic [ia Ga] IIC T4 Gc at Ta = -20 degC to +65 degC.
Functional Safety: Designed to meet SIL 2 requirements.

Shipping & Returns

Global Express Shipping

Standard Delivery: 4–6 business days via DHL, FedEx, and UPS.
Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
Worldwide Coverage: Serving over 150 countries.

Returns & Warranty

30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
12-Month Warranty: Every industrial component is backed by our technical warranty.

FAQ

What sensor types can be connected to the 3500/61-05-CN?

This module interfaces directly with standard Resistive Temperature Devices (RTDs) and Thermocouples (TC). Configuration of specific curve selections is managed through the 3500 Rack Configuration software.

Does the -05 option provide galvanic isolation for the field wiring?

No, the -05 is a non-isolated I/O module. It uses internal zener-style barriers for hazardous area current limiting, meaning channels share a common ground reference. Ground loops must be avoided by using ungrounded sensors.

What is the purpose of the 'CN' suffix in the part code?

The CN suffix indicates country-specific agency approvals, primarily satisfying regional explosive atmosphere certifications (such as NEPSI) for installations located within China.

Can I replace a standard non-isolated I/O module with this internal barrier module?

Yes, but you must replace the corresponding rear connector assembly and update the safety configuration. Intrinsically safe field wiring separation standards must also be observed.

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