Bently Nevada 3500/72M 149734-08+135489-01 I/O Module Original new, China Bently Nevada 3500/72M 149734-08+135489-01 I/O Module Original new Manufacturers, Suppliers, Factory

Overview

Brand Name:	Bently Nevada
Model Number:	3500/72M 149734-08+135489-01
Country of Origin:	USA
Packaging Details:	Original new Factory Sealed
Delivery Time:	Delivery time in stock
Payment Terms:	T/T

Contact for quotation

Sales Manager:	Stella
Send an email:	[email protected]
Contact in Whatsapp:	+86 18159889985

Specifications

Parameter	Specification
Order Code	3500/72M-03-<?> (Monitor P/N 149734-08, I/O Module P/N 135489-01)
I/O Module Type (135489-01)	4-channel Internal Barrier I/O with Internal Terminations
I/O Module Description	Provides intrinsically safe interfaces for transducer systems in hazardous areas
Product Type	4-Channel Reciprocating Rod Position Monitor
Series	Bently Nevada 3500 Machinery Protection System
Number of Channels	4 proximity transducer inputs
Channel Pair Programming	Channels 1‑2 and 3‑4 programmable independently; up to two functions (Rod Position, Rod Drop, Hyper‑Compressor) at a time
Measurable Functions	Rod Position (Single/Single2/Pair/Pair2), Rod Drop, Hyper‑Compressor
Input Signal	Accepts from 1 to 4 proximity probe signals
Input Impedance	10 kΩ per input
Scale Factor (Rod Position)	0.79 mV/µm (20 mV/mil), 3.94 mV/µm (100 mV/mil), or 7.87 mV/µm (200 mV/mil)
Scale Factor (Rod Drop / Hyper)	3.94 mV/µm (100 mV/mil) or 7.87 mV/µm (200 mV/mil)
Power Consumption	7.7 watts nominal
Transducer Power Supply	-24 Vdc
Front Panel LEDs	OK (operational)/TX-RX (communication)/Bypass mode
Buffered Outputs	Front panel coaxial connectors per channel, short-circuit protected
Output Impedance	510 Ω (550 Ω typical)
Alarm Setpoints	ALERT for each measured variable; DANGER for up to two variables
Operating Temperature	-30 °C to +65 °C (barrier I/O requires ≥0 °C); extended range with internal barrier I/O
Storage Temperature	-40 °C to +85 °C
Humidity	95% non-condensing
Main Module Dimensions	~241.3 mm × 24.4 mm × 241.8 mm
I/O Module Dimensions	~241.3 mm × 24.4 mm × 163.1 mm (barrier version)
Main Module Weight	~0.91 kg
I/O Module Weight (135489-01)	~0.46 kg (1.01 lb)
Rack Space	Main module: 1 full‑height front slot; I/O module: 1 full‑height rear slot
Certifications	API‑618 compliant for reciprocating compressors; ATEX, IECEx, CSA/NRTL/C for hazardous areas

Description

The four‑channel BENTLY NEVADA 3500/72M (149734-08) Recip Rod Position Monitor accepts proximity transducer inputs to provide dynamic and static position measurements for reciprocating compressors. When paired with the I/O Module (135489-01) which features internal safety barriers for hazardous area applications, the 3500/72M-135489-01 combination meets API‑618 requirements while delivering rod position, rod drop, and hyper‑compressor monitoring. Channel pairs are independently configurable, and all data is compared against user‑programmable alarms for comprehensive machine protection.

Applications

Reciprocating gas compressors (piston rod position and rod drop monitoring)

Reciprocating engines (crosshead position surveillance)

Hyper‑compressors in petrochemical plants (plunger position tracking on LDPE reactors)

Industrial pumps (piston or plunger position)

Oil & gas upstream and midstream facilities

Refineries and chemical plants (API‑618 compliant installations)

Offshore platforms and hydrocarbon processing environments requiring intrinsic safety

Condition‑based maintenance programs integrating with System 1 software

Features

4 channels programmable as Rod Position Single/2, Rod Position Pair/2, Rod Drop, or Hyper‑Compressor

Channel pairs operate independently for different application functions simultaneously

Internal safety barriers (135489-01) provide intrinsically safe interfaces for hazardous areas

Factory‑configured ALERT setpoints for each variable and DANGER setpoints for up to two variables

Front panel coaxial connectors per channel for buffered transducer signal access

Short‑circuit protection on all buffered outputs

Hot‑swappable main module for minimum downtime

API‑618 compliance for reciprocating compressor applications

Condition‑based monitoring strategies enabled by dynamic and static data collection

Seamless integration with System 1® software for advanced diagnostics

Functions

Rod position monitoring – Measures piston rod lateral vibration displacement to detect potential rod breakage or cracking risks

Rod drop monitoring – Tracks vertical position changes to determine rider band wear on piston rod support rings

Hyper‑compressor monitoring – Monitors plunger position in ultra‑high pressure (typically 2000‑3500 bar) compressors used in LDPE manufacturing

Dynamic and static measurement – Generates gap, peak‑to‑peak displacement, position magnitude, position angle, crank angle, 1X/2X amplitude data values

Alarm triggering – Continuously compares monitored parameters against ALERT/DANGER setpoints, activates rack relays when thresholds are exceeded

Intrinsically safe interface – 135489-01 I/O module provides internal barriers, eliminating the need for external barrier cabinets in hazardous areas

Data streaming – Provides waveform data to System 1 software through a 3500 Transient Data Interface (TDI) module

FAQ

Q1: What is the difference between 149734-08 and other 3500/72M monitor variants?
A1: 149734-08 is the standard monitor main board for the 3500/72M Rod Position Monitor. When combined with 135489-01 (internal barrier I/O), it provides intrinsic safety for hazardous area transducer wiring, eliminating external barrier cabinets. Most third‑party listings reference 176449-08 as the interchangeable spare part number.

Q2: What is the purpose of the 135489-01 I/O module?
A2: The 135489-01 is a 4‑channel Internal Barrier I/O module that provides intrinsically safe interfaces for proximity transducers in hazardous (explosive) areas. It offers explosion protection without degrading system performance and eliminates the need for external safety barriers.

Q3: Does the 3500/72M meet API‑618 requirements?
A3: Yes. The 3500/72M Recip Rod Position Monitor fully complies with API‑618 standards for reciprocating compressors. It measures piston rod position, rod drop, and hyper‑compressor plunger data, all of which are essential for API‑618 compliance.

Q4: How many functions can the 3500/72M perform simultaneously?
A4: The monitor channels are programmed in pairs and can perform up to two functions at a time. For example, channels 1 and 2 can perform Rod Position monitoring while channels 3 and 4 perform Rod Drop monitoring, or both can perform the same function.

Q5: What software version is required for the enhanced channel types?
A5: The new Rod Position Single 2 and Rod Position Pair 2 channel types require 3500 Rack Configuration Software version 6.0 or later. These, in turn, require System 1 software version 18.2 or later. They are not compatible with earlier System 1 versions.

Inguiry Now: [email protected]