Bently Nevada 125800-02 Isolated Keyphasor I/O Module In stock, China Bently Nevada 125800-02 Isolated Keyphasor I/O Module In stock Manufacturers, Suppliers, Factory

Overview

Brand Name:	Bently Nevada
Model Number:	125800-02
Country of Origin:	USA
Packaging Details:	Original new Factory Sealed
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

Item	Details
Product Model	125800-02
Module Type	Isolated Keyphasor I/O Module
System Compatibility	Bently Nevada 3500 Series
Input Type	Magnetic Pickup signals
Input Range	+5V to -11V
Input Impedance	≥ 21.8 kΩ
Power Consumption	~3.2 W typical
Signal Output	Buffered Keyphasor signals
Output Impedance	Max 504 Ω
Mounting Type	Rack-based I/O module
Dimension (H×W×D)	2.5x11.2x24.2cm
Weight	0.48kg
Operating Temp	-30°C to +65°C

Description

The125800-02Isolated Keyphasor I/O Module is engineered as a robust interface solution for rotating machinery speed and phase measurement in industrial monitoring systems. Designed within the Bently Nevada™ 3500 platform, it provides isolated signal processing for magnetic pickup inputs, ensuring stable and interference-resistant Keyphasor signal transmission.

In combination with the3500/25 Enhanced Keyphasor Module, including models such as149369-01and125792-01, this I/O module supports precise once-per-revolution pulse generation while improving electrical isolation between field devices and control systems. It is particularly suitable for environments requiring reliable speed measurement rather than advanced phase analysis.

The125800-02maintains full compatibility with legacy 3500 architectures while enhancing system protection, signal integrity, and long-term operational reliability in critical machinery applications.

Applications

Power plants: Used for generator set status monitoring and relay protection.
Substations: Enables bus differential control, line protection, and switchyard signal acquisition.
Chemical plants: Supports process automation and intrinsically safe signal monitoring.
Steel mills: Ensures stable operation under high temperature and strong EMI environments.
Machinery manufacturing plants: Applied in automated production lines, robotics, and packaging systems.

Features

Isolated signal processing design for improved system safety
Compatible with Bently Nevada 3500 Keyphasor architecture
Supports magnetic pickup input signals
High noise immunity for industrial environments
Rack-mounted modular structure for easy integration

Functions

Converts analog pickup signals into digital Keyphasor pulses
Provides once-per-turn speed reference signals
Ensures electrical isolation from control systems
Supports accurate machinery speed monitoring
Enhances protection system reliability and signal stability

FAQ

Q1: What is the main function of the 125800-02 module?
A1: It converts magnetic pickup signals into isolated Keyphasor pulses for machinery speed measurement.

Q2: Is 125800-02 compatible with the 3500 system?
A2: Yes, it is fully designed for integration with the Bently Nevada 3500 platform.

Q3: What type of sensors does it support?
A3: It is designed specifically for magnetic pickup transducers.

Q4: Why is signal isolation important in this module?
A4: It reduces electrical noise and protects control systems from interference.

Q5: Can it be used for phase measurement?
A5: It primarily supports speed measurement; phase accuracy is limited compared to non-isolated modules.

Spares

Number	Description
149369-01	Enhanced Keyphasor Module (direct plug-in replacement for 125792-01)
125800-01	Keyphasor I/O Module (Internal Terminations)
126648-01	Keyphasor I/O Module (External Terminations)
125800-02	Isolated Keyphasor I/O Module (Internal Terminations, designed for Magnetic Pickups)
126648-02	Isolated Keyphasor I/O Module (External Terminations, designed for Magnetic Pickups)
135473-01	Keyphasor I/O Module (Internal Barriers and Internal Terminations)
04425545	Grounding Wrist Strap (single use)
00580438	Connector Header, Internal Termination, 4-Position, Green
166M2391	Connector Header, Push-in-Spring Type (alternative for 00580438)
00502133	Connector Header, Internal Termination, 12-Position, Blue
129770	Keyphasor Module User Guide