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3500 Series Machinery Monitoring System

Home >  Products >  For Bently Nevada >  3500 Series Machinery Monitoring System

125768-01 RIM I/O Module

  • Overview
  • Quick Detail
  • Description
  • Applications
  • Specifications
  • Competitive Advantage
  • Recommended Products
Overview

Place of Origin:

USA

Brand Name:

Bently Nevada

Model Number:

125768-01

Packaging Details:

Original new Factory Sealed

Delivery Time:

5-7 days

Payment Terms:

T/T

Supply Ability:

In stock

Quick Detail

Power Consumption

4.75 watts, typical

Data Interface

Front panel RS232 serial communications

Data Rate

38.4 k baud (serial), 14.4 k baud (internal modem)

Standards

RS232/RS422 serial communications, internal modem communications

Front Panel LEDs

OK LED, TX/RX LED, TM LED, CONFIG OK LED

I/O Module OK Relay

5A @ 24 Vdc / 120 Vac, 120 W / 600 VA switched power, Normally Energized, Arc suppressed

Front Panel Controls

Rack reset button, Address switch (63 possible addresses)

Cable Length

RS232: 30 m (100 ft) max, RS422: 1200 m (4000 ft) max, Modem: 3 m (10 ft) typical

I/O Module System Contacts

Trip Multiply, Alarm Inhibit, Rack Reset

Maximum Contact Current

<1 mA dc, dry contact to common

RS232/RS422 Switch

Select between RS232 and RS422 communications

Operating Temperature

0°C to +50°C (+32°F to +122°F)

Storage Temperature

-40°C to +85°C (-40°F to +185°F)

Humidity

95%, non-condensing

Dimension:

2.4x11x24cm

Weight:

0.44kg

Description

The 125768-01 RIM I/O Module is the primary interface for the Bently Nevada 3500 rack, supporting proprietary protocols to configure the rack and retrieve machinery data. Installed in slot 1 next to the power supplies, 125768-01 communicates with external processors such as TDXnet, TDIX, and DDIX. For Triple Modular Redundant (TMR) systems, 125768-01 performs monitor channel comparison, continuously checking outputs from three redundant monitors and flagging any channel outside the configured percentage. Typical power consumption of 125768-01 is 4.75 W. Front panel RS232 serial communications operate at 38.4 k baud, with maximum cable lengths of 30 m (RS232) or 1200 m (RS422). Front panel LEDs include OK, TX/RX, TM, and CONFIG OK, and the I/O module provides 5 A @ 24 Vdc / 120 Vac relays for alarm, trip, and reset functions. Operating temperature ranges from 0°C to +50°C, storage -40°C to +85°C, with 95% non-condensing humidity. 125768-01 enables reliable static and dynamic data collection for automation and process control applications within 3500 monitoring racks.

Applications

Perform Turbine Trip and Shutdown Control

125768-01 relays can switch turbine trip circuits rated up to 5 A, 120 Vac or 24 Vdc, ensuring immediate response to overspeed or vibration thresholds.

Forward Pump Alarm Signals to Control Room

Using RS232 or RS422 connections, 125768-01 transmits pump temperature and vibration alarms to centralized automation systems or SCADA software for operator intervention.

Collect Dynamic Vibration Data

125768-01 interfaces with Bently Nevada Transient Data Interface modules, capturing dynamic vibration data and sending it to data acquisition systems at 38.4 k baud.

Reset or Inhibit Rack Functions

The module provides system contacts for rack reset, trip multiply, and alarm inhibit, allowing operators to safely manage automation processes from the front panel.

Specifications

Communications(Data Manager I/O Module (2 sets of ports))

Bently Nevada proprietary

Protocol(Data Manager I/O Module (2 sets of ports))

Bently Nevada proprietary

Baud Rate(Data Manager I/O Module (2 sets of ports))

9600 baud fixed

Purpose(Data Manager I/O Module (2 sets of ports))

Permits static and dynamic data collection by Bently Nevada Transient Data Interface

External or Dynamic Data Interface(Data Manager I/O Module (2 sets of ports))

Supported

External Communication Processors(Data Manager I/O Module (2 sets of ports))

Supported

Cable Length(Data Manager I/O Module (2 sets of ports))

3 metres (10 feet) maximum

Competitive Advantage

Integrate RIM Functions and Data Collection

125768-01 consolidates rack configuration, TMR monitor comparison, and data acquisition in a single module, reducing hardware complexity in automation racks.

Switch High-Power Relays Directly

With 5 A @ 24 Vdc / 120 Vac capacity and 120 W / 600 VA switched power, 125768-01 drives alarm, trip, and reset circuits without external relays.

Verify System and Communication Status Quickly

Front panel LEDs (OK, TX/RX, TM, CONFIG OK) on 125768-01 allow operators to confirm module operation and active communication instantly.

Operate in Standard Industrial Environments

Operating from 0°C to +50°C with 95% non-condensing humidity, 125768-01 can be installed in control cabinets near turbines, compressors, or pumps without additional cooling or protective enclosures.

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