Bently Nevada 3500/61-05-CN 3500 Series Recorder Output Module

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Производитель: Bently Nevada
Номер продукта: 3500/61-05-CN
Страна происхождения:Соединённые Штаты
Тип продукта: Recorder Output Modules
Оплата: Т/Т, Western Union
Вес: 320г
Размеры: 250 mm x 180 mm x 50 mm
Порт отгрузки: Сямынь
Гарантия: 12 месяцев

Description

Processing critical machinery temperature data, the Bently Nevada 3500/61-05-CN provides continuous, independent recorder outputs from RTD and thermocouple transducers directly to external control systems. Operating as a specialized 6-channel monitor module within the 3500 machinery protection system rack, this unit integrates built-in internal barriers to support intrinsically safe field wiring configurations. The 3500/61-05-CN serves a dual purpose by comparing temperature inputs against user-programmable alarm setpoints to drive protection relays while simultaneously generating proportional analog signals for strip-chart recorders, plant DCS, or PLC systems.

Key Features

Accepts up to 6 independent RTD or Thermocouple (TC) transducer inputs.
Integral internal barriers allow direct connection to transducers located in hazardous areas without requiring external barrier hardware.
Generates high-impedance, isolated proportional recorder outputs for external tracking devices.
Comprehensive onboard self-tests and continuous hardware diagnostics ensure high reliability.
Supports customizable alarm configurations with alert and danger setpoints per channel.

Applications

Continuous temperature monitoring of large industrial rotating machinery bearings (such as steam turbines and heavy-duty gas turbines).
Motor and generator stator winding temperature supervision within hazardous process zones.
Process temperature logging and machine protection in petrochemical, oil and gas, and power generation facilities.

Technical Specifications

Manufacturer	Bently Nevada
Model Number	3500/61-05-CN
Module Type	RTD/TC Non-isolated I/O Module with Internal Barriers
Number of Channels	6 channels (RTD or Thermocouple)
Input Impedance	10 MOhm per lead input
Power Consumption	9 Watts nominal
Agency Approvals	CN (Country-specific approvals for China / NEPSI)
Country of Origin	United States
Shipping Weight (Calculated)	2.0 kg
Package Dimensions (Calculated)	250 mm x 180 mm x 50 mm

Empirical Engineering Insights

Alternative Models & Compatibility

The -05 option (RTD/TC with Internal Barriers) cannot be mixed with non-barrier standard I/O modules on the same 3500/61 main card slot. When upgrading an older system or converting a standard 3500/61 setup to a barrier setup, you must replace both the back-plane I/O connector block and reprogram the channel configuration inside the Bently Nevada 3500 Rack Configuration Software (Version 3.0 or higher is recommended for accurate temperature curve linearizations).

Application Pitfalls & Engineering Notes

Because this module utilizes non-isolated RTD/TC inputs with internal barriers, care must be taken regarding the transducer grounding. Grounded thermocouples or RTDs that experience high ground-potential variations relative to the 3500 rack chassis ground can inject common-mode noise, leading to measurement drift or false alarms. Ensure that only ungrounded temperature sensors are deployed in installations subject to high electrical noise or ground loops.

Commissioning & Wiring Tips

To maintain the integrity of the intrinsically safe barrier circuits, keep the hazardous field wiring completely separate from non-intrinsically safe cabling within the cabinet. Shielded, twisted-pair cables must be utilized. Terminate the shields strictly at the designated shield terminal on the I/O module and keep the sensor end isolated from the machine housing to avoid ground loop current paths.

Installation Guidelines

CRITICAL WARNING

This module is equipped with internal barriers for hazardous area protection. Before performing any removal or insertion of the I/O card, ensure the rack is entirely de-energized. Failure to isolate the field wiring first can compromise the safety barrier protection, potentially igniting hazardous atmospheres or permanently damaging sensitive input circuits.

Verify that the 3500 rack power is switched off and all field instruments in the hazardous zone are de-energized before accessing the rear slot.

Align the I/O module with the card guides at the rear of the rack corresponding to the matching front 3500/61 monitor card slot.

Slide the module firmly into the rack backplane connectors until the module faceplate sits flush against the rack frame.

Secure the two panel screws at the top and bottom of the faceplate to a torque value of 1.2 Nm (10.6 in-lb) to guarantee continuous chassis grounding.

Key Features:

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.

Глобальная экспресс-доставка

Стандартная доставка: 4-6 рабочих дней через DHL, FedEx и UPS.
Экспресс-отправка: Отправка в тот же день для заказов со склада, сделанных до 14:00 (GMT+8).
Мировое покрытие: Обслуживаем более 150 стран, включая быструю доставку в Саудовскую Аравию и ОАЭ.

Возвраты и гарантия

30-дневная гарантия: Принимаются возвраты товаров со склада в оригинальной, заводской запечатанной упаковке.
12-месячная гарантия: Каждый промышленный компонент поддерживается нашей профессиональной технической гарантией.

Заказы обрабатываются и доставляются с понедельника по пятницу (кроме государственных праздников).

Для полной информации о праве на возврат, сборах за пополнение запасов и международных возвратах, пожалуйста, ознакомьтесь с нашим официальным Политика возврата и возврата средств .

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Bently Nevada 3500/61-05-CN 3500 Series Recorder Output Module