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China Emerson A6220 Shaft Eccentricity Vibration Monitor – AMS 6500 Machinery
China Emerson A6220 Shaft Eccentricity Vibration Monitor – AMS 6500 Machinery

  1. China Emerson A6220 Shaft Eccentricity Vibration Monitor – AMS 6500 Machinery
  2. China Emerson A6220 Shaft Eccentricity Vibration Monitor – AMS 6500 Machinery
  3. China Emerson A6220 Shaft Eccentricity Vibration Monitor – AMS 6500 Machinery

Emerson A6220 Shaft Eccentricity Vibration Monitor – AMS 6500 Machinery

  1. MOQ: 1
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Shipping TNT, DHL, FedEx, EMS, UPS
Delivery Time 2-3 work days
Payment Terms T/T
MOQ 1 piece
Packaging Details Brand new and original
Place of shipment Xiamen,China
Supply Ability in stock
Brand Name EMERSON

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  1. Product Details
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Product Specification

Shipping TNT, DHL, FedEx, EMS, UPS Delivery Time 2-3 work days
Payment Terms T/T MOQ 1 piece
Packaging Details Brand new and original Place of shipment Xiamen,China
Supply Ability in stock Brand Name EMERSON
High Light Emerson A6220 ,Shaft Eccentricity Vibration Monitor ,AMS 6500 Machinery Protection System
AMIKON / Machinery Monitoring

Emerson A6220 Shaft Eccentricity Vibration Monitor

AMS 6500 Machinery Health Monitor · Rotating Machinery Protection

A6220 Dual-channel monitoring 1-slot plug-in module API 670

Product Overview

The Emerson A6220 is a shaft eccentricity monitor for large sleeve-bearing rotating machines. It uses a non-contact displacement sensor to measure shaft movement associated with shaft bowing or a bent shaft, including at speeds below 600 rpm. Configurable alarm setpoints support machinery protection and early identification of abnormal mechanical conditions.

Technical Specifications 

Emerson A6220 · AMS 6500 Machinery Health Monitor
Model A6220
Product type Shaft Eccentricity Vibration Monitor
System AMS 6500 Machinery Health Monitor
Monitoring channels Two independent channels
Module format 3U plug-in module
Rack space 1 slot
Transducer input type Eddy current, differential
Supported sensor part numbers Emerson 6422, 6423, 6424 and 6425
Input isolation Galvanically separated from the power supply
Input resistance Greater than 100 kΩ
Input voltage range -1 to 23 VDC
Input frequency range 0.017–70 Hz (102–4200 rpm)
Proportional current outputs 0/4–20 mA per channel
Additional technical data and alarm functions

Proportional voltage outputs: 0–10 VDC per channel.

Standard reference: API 670 machinery protection monitor.

Buffered outputs: Front and rear buffered outputs are provided for the measured signals. The rear buffered outputs support AC and DC signals, with a stated frequency range of 0 Hz to 16 kHz (-3 dB).

Current outputs: The rear current-mode outputs provide 0/4–20 mA proportional to the main value. The specified permissible load is less than 500 Ω, with ±1% of full-scale accuracy and configurable settling time from 0 to 10 seconds.

Voltage outputs: Rear voltage-mode outputs provide 0–10 VDC proportional to the main value. The stated permissible load is greater than 10 kΩ. The DC gap-voltage output is also specified as 0–10 VDC with ±1% of range accuracy.

Alarm settings: Alert and Danger setpoints are adjustable from 5% to 100% of full scale, with 1% full-scale resolution and 0–20% hysteresis on decreasing signal values.

Alarm delay: Selectable 0–5 second delays per channel; delays up to 36 seconds are available when used with the A6740 relay card. Alarm behavior can be configured for normally open or normally closed operation and channel-not-OK blocking.

Self-checking: The module monitors hardware, power input, hardware temperature, sensor and cable conditions.

Physical dimensions: PCB/Eurocard format, 100 × 160 mm; width 30.0 mm, height 128.4 mm and length 160.0 mm. Confirm rack and enclosure requirements before ordering.

Application & Fault Scenarios

Typical applications:

  • Steam turbomachinery
  • Gas turbomachinery and compressors
  • Hydro turbomachinery
  • Large sleeve-bearing rotating machines requiring shaft eccentricity protection

Maintenance teams may search for the A6220 when shaft eccentricity alarms occur, monitoring channels report abnormal conditions, or an existing module needs replacement. Loss of reliable monitoring can reduce visibility into shaft condition and delay protective response, increasing the risk of equipment damage and unplanned downtime.

Selection & Replacement Checks

Before ordering, match the A6220 part number against the installed module and confirm the AMS 6500 rack arrangement, sensor type, wiring, output requirements and alarm configuration. The A6220 and A6620 perform different functions and should not be treated as interchangeable. Confirm the complete system configuration before selecting an alternative.

For the Emerson A6220 datasheet PDF, request the applicable product documentation when additional installation or configuration details are required.

Delivery & Warranty

Products receive a part-number and visible-condition check before dispatch, with protective packaging selected for transport. For DOA or return requests, contact sales with the order details and supporting photos for assessment before returning the item. Warranty duration, coverage and exclusions are confirmed with the quotation; coverage follows the agreed terms and does not automatically include OEM warranty or third-party system repairs.

Industrial Parts · Global Enquiries

Let's Discuss Your Requirements

For spare-part sourcing, order enquiries and shipment coordination, contact Miya Zheng. Include your equipment details to help identify the correct part.

Email · Quotations & Orders
Miya Zheng · AMIKON
WhatsApp · Direct Enquiries

Frequently Asked Questions

1. What is the Emerson A6220 used for?

The A6220 is a two-channel shaft eccentricity vibration monitor for the AMS 6500 Machinery Health Monitor platform. It supports monitoring and protection of critical rotating machinery.

2. Which sensors are specified for the A6220?

Compatible sensor part numbers listed for this model include 6422, 6423, 6424 and 6425. Confirm the installed probe and complete sensor system before ordering.

3. What should I check before replacing an A6220?

Confirm the exact model, AMS 6500 rack, available slot, sensor arrangement, wiring and required outputs. Check the installed system configuration before removing or installing a module.

4. Is the A6220 interchangeable with the A6620?

No interchangeability should be assumed. The A6220 is a shaft eccentricity vibration monitor, while the A6620 is a process input monitor. Verify the required function and part number before purchase.

5. How can I request a quotation or technical documentation?

Email sales@amikon.cn with the part number, quantity, destination, required date and machine/system model. Include the installed nameplate details if you need help confirming the correct module or applicable documentation.

AMIKON is an independent industrial parts supplier. Product names and trademarks belong to their respective owners. Confirm the installed configuration and applicable technical requirements before ordering.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Trading Company

  • Year Established:

    2004

  • Total Annual:

    85682000-125000000

  • Employee Number:

    70~80

  • Ecer Certification:

    Verified Supplier

Company Profile Amikon Limited specializes in the global supply of industrial automation module spare parts.The company focuses on well-known international brands covering DCS systems, robot control systems, and large-scale servo control systems. Product scope includes: ➢Distributed Control Syste... Company Profile Amikon Limited specializes in the global supply of industrial automation module spare parts.The company focuses on well-known international brands covering DCS systems, robot control systems, and large-scale servo control systems. Product scope includes: ➢Distributed Control Syste...

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  • AMIKON LIMITED
  • 32D units,GuoMao Building No 388 Hubin South Road Siming district Xiamen, Fujian China
  • https://www.dcscontroller.com/

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