Which installed hardware must be paired with A6120?

Use A6120 with the documented AMS 6500 machinery protection system components: AMS 6500 system rack, PR9266, PR9267 or PR9268 sensors, A6500-UM universal measurement card platform.

How should the Monitor channels value for A6120 be verified?

Confirm the complete nameplate and order code before work; the documented monitor channels is 2 independent.

What connection detail is critical when installing A6120?

Preserve every conductor, connector and shield identity, then follow the model-specific connection arrangement described in the controlling Emerson document.

What configuration record should be retained when replacing A6120?

Retain the as-found position, input type, cable or channel identity, gap or scaling value, diagnostics and final functional-test result.

Can A6120 replace a similar Emerson model without engineering review?

No direct substitution should be assumed; verify the full order code, measuring function, interface, cable or channel arrangement and the approved AMS 6500 machinery protection system configuration.

Emerson A6120 AMS 6500 dual-channel case-seismic vibration monitor

Name: A6120
Brand: Emerson
SKU: A6120

Technical specifications for A6120

Manufacturer:

Emerson

Product Category:

Machinery Monitoring System

Spare Part Number:

A6120

Estimated shipping dimensions:

3x19x12.8cm

Weight:

0.3 kg

Tariff Code:

8537101190

Counliy of origin:

USA

Monitor channels:

2 independent

Input type:

Electrodynamic differential

Compatible sensors:

PR9266; PR9267; PR9268

Input resistance:

>100 kOhm

Input voltage range:

-5 to +15 V DC

Lower cutoff:

1 Hz or 5 Hz

Upper cutoff:

50 to 2000 Hz adjustable

Velocity RMS metric range:

5 to 100 mm/s

Displacement metric range:

+/-25 to +/-500 um

Velocity RMS English range:

0.197 to 3.937 in/s

Displacement English range:

+/-0.984 to +/-19.685 mils

Standard frequency range:

10 to 1000 Hz

Selectable frequency bands:

5-50; 10-50; 50-1000; 50-1600 Hz

Lifting-coil current:

0 to 8 mA in 40 uA steps

Maximum load at 2 mA:

3.4 kOhm

Dynamic input:

311 to 9500 mV p-p

Current output:

0/4 to 20 mA per channel

Current-output load:

<500 Ohm

Voltage output:

0 to 10 V DC

Buffered raw output:

0 to 12 V p-p

Raw-output bandwidth:

0.1 Hz to 15 kHz (-3 dB)

Module format:

3U; one slot

Service feature:

Hot swappable

Protection standard:

API 670

Information

Overview Manuals Common Applications Product Precautions

Emerson A6120 is ams 6500 dual-channel case-seismic vibration monitor. It accepts two electrodynamic case-seismic sensor signals and performs configurable vibration monitoring, outputs and machinery-protection functions.

Processes two independent case-seismic channels
Accepts PR9266/PR9267/PR9268 differential inputs
Provides selectable filtering and vibration ranges
Supports hot-swap service in an AMS 6500 rack

A6120 operates with AMS 6500 system rack, PR9266, PR9267 or PR9268 sensors, A6500-UM universal measurement card platform, Relay, analog-output and CSI interface connections.

Engineered applications include Turbine case-vibration protection, Compressor housing monitoring, Motor and gearbox seismic channels, Hydro-generator structural vibration.

Important Notice: Record both channel configurations, filters, ranges, sensor lifting currents and alarm logic; after insertion, verify raw signal, analog outputs, diagnostics and protection voting before service.

Apter Power A6120 Manuals and Guides

Apter Power A6120 Measurement-System Technical Reference PDF Apter Power A6120 Installation, Loop Check and Acceptance Workbook PDF

The first document provides model-specific technical and measurement-system reference data. The second is a separate field workbook for mounting, wiring, commissioning and acceptance records.

Turbine case-vibration protection

Evaluates dual velocity-sensor channels for alarms and shutdowns.

Compressor housing monitoring

Filters and scales case motion on compressor trains.

Motor and gearbox seismic channels

Provides buffered raw and analog outputs for condition systems.

Hydro-generator structural vibration

Supports low-frequency absolute vibration monitoring on large vertical machines.

Read the applicable Emerson machinery-monitoring instructions before work. Verify A6120 and the installed AMS 6500 machinery protection system configuration.

Confirm the complete A6120 identity and assigned AMS 6500 rack slot before work.

Place both monitored machines or channels in the approved maintenance and bypass state.

Record sensor type, filter band, measuring range, lifting current and alarm settings for both channels.

Use ESD controls and protect the 3U card edge and front-panel connectors during handling.

Confirm PR9266/PR9267/PR9268 wiring polarity and differential-input continuity before insertion.

Restore only the approved channel database and verify card plus rack diagnostics after hot-swap.

Check buffered raw output and the configured 0/4-20 mA or 0-10 V output on each channel.

Prove alarm, relay and shutdown action with controlled test signals before removing bypasses.

FAQS

What measurement or system function does A6120 perform?

A6120 is a ams 6500 dual-channel case-seismic vibration monitor. It accepts two electrodynamic case-seismic sensor signals and performs configurable vibration monitoring, outputs and machinery-protection functions.
Which installed hardware must be paired with A6120?

Use A6120 with the documented AMS 6500 machinery protection system components: AMS 6500 system rack, PR9266, PR9267 or PR9268 sensors, A6500-UM universal measurement card platform.
How should the Monitor channels value for A6120 be verified?

Confirm the complete nameplate and order code before work; the documented monitor channels is 2 independent.
What connection detail is critical when installing A6120?

Preserve every conductor, connector and shield identity, then follow the model-specific connection arrangement described in the controlling Emerson document.
How is A6120 mechanically installed without changing measurement behavior?

Record sensor type, filter band, measuring range, lifting current and alarm settings for both channels.
What commissioning test should be completed for A6120?

Prove alarm, relay and shutdown action with controlled test signals before removing bypasses.
What configuration record should be retained when replacing A6120?

Retain the as-found position, input type, cable or channel identity, gap or scaling value, diagnostics and final functional-test result.
Can A6120 replace a similar Emerson model without engineering review?

No direct substitution should be assumed; verify the full order code, measuring function, interface, cable or channel arrangement and the approved AMS 6500 machinery protection system configuration.

Individual privacy preferences

We use cookies and similar technologies on our website and process your personal data (e.g. IP address), for example, to personalize content and ads, to integrate media from third-party providers or to analyze traffic on our website. Data processing may also happen as a result of cookies being set. We share this data with third parties that we name in the privacy settings.

The data processing may take place with your consent or on the basis of a legitimate interest, which you can object to in the privacy settings. You have the right not to consent and to change or revoke your consent at a later time. This revocation takes effect immediately but does not affect data already processed. For more information on the use of your data, please visit our privacy policy.

Below you will find an overview of all services used by this website. You can view detailed information about each service and agree to them individually or exercise your right to object.

You are under 14 years old? Then you cannot consent to optional services. Ask your parents or legal guardians to agree to these services with you.

A6120

Product Describe：

Ask our team:

Warranty Policy

Return Notice

Shipping Method

Parts Availability

How to order

Technical specifications for A6120

Technical specifications for A6120

Information