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6652

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Rockwell Automation ENTEK 6652 is a two-channel 6600 Series protection monitor for non-contact eddy-current probes. Continuous local protection is complemented by a four-wire multidrop Modbus data connection.
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Technical specifications for 6652

  • Manufacturer:
    ENTEK
  • Part Number:
    6652
  • Product Family:
    6600 Series Protection Monitors
  • Product Type:
    Protection Monitor
  • Stock:
    1
  • Measurement channels:
    2
  • Sensor input:
    Non-contact eddy-current probes
  • Monitoring duty:
    Continuous machinery protection
  • Communication:
    Modbus
  • Network wiring:
    4-wire multidrop
  • Series:
    6600
  • Installation:
    Rack monitor with backplane and power supply
  • Configuration focus:
    Probe scale, range, alarms and relays
  • Weight:
    1.367 lbs (0.62 kg)
  • Estimated shipping dimensions:
    6 x 38.5 x 17.1 cm
  • Tariff Code:
    90318090
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Applications Communication Firmware Control

Features:

  • Processes two non-contact eddy-current probe channels.
  • Executes continuous machinery protection independently of the host network.
  • Shares measurements over a four-wire multidrop Modbus connection.
This order designates the two-channel 6652 monitor in the 6600 Series. Its protection duty and communications distinguish it from a passive signal-conditioning card.

The monitor observes proximity signals, applies the configured ranges and delays, and drives local relays when machine conditions cross approved thresholds.

Document the probe scale, initial gap, address and relay reset mode before exchange. Confirm rack power and backplane position, then prove channel response without exposing the machine to an unintended trip.

ENTEK 6652 sourcing is matched to the rack, probe scale and network configuration supplied with the enquiry.
Verified resources for Rockwell Automation / ENTEK 6652:Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Supervise radial shaft motion from two installed proximity transducer systems.
  • Protect a rotating asset locally while exporting values to a Modbus host.
  • Restore a documented 6600 Series channel pair without redesigning the rack.
  • The host connection uses a four-wire multidrop Modbus arrangement.
  • Each monitor address must remain unique on the shared communication segment.
  • Network loss does not replace the need to test local relay protection.
  • The monitor menu provides a method to display its installed firmware version.
  • Keep the revision with the channel backup when comparing an older rack spare.
  • Do not alter protection setpoints merely to compensate for unexplained revision behavior.
  • The monitor evaluates both channels continuously rather than waiting for a host request.
  • Relay action must be proven against the actual plant interlock matrix.
  • Manual resets should be attempted only after the initiating machine condition is understood.
Description
6652 is designed around two proximity-probe channels used to observe shaft-related movement on rotating machinery. Each input is scaled for its installed eddy-current measurement chain, allowing the monitor to convert probe behavior into a continuous value and compare that value with independently configured alarm levels.

Protection remains local to the monitor and rack, while the four-wire multidrop Modbus interface makes operating data available to a supervisory host. This separation lets the 6652 continue evaluating machinery conditions even when the higher-level communication path is being serviced or temporarily unavailable.

Probe sensitivity, working gap, range, channel address, network settings, relay delays and latching behavior all belong to the installed protection philosophy. A replacement should be configured from controlled records and proven with simulated inputs before the machine is allowed to rely on its outputs.
Alternative Names
6652 ENTEK 6652 6652 ENTEK 6600 Series ENTEK 6600 Series Protection Monitor 6652 6600 Series Protection Monitor
Technical notes
ENTEK 6652 calibration covers the probe, extension wiring and monitor input as one chain; changing a sensor or scale without a controlled verification can silently shift every trip threshold.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
How is ENTEK 6652 connected to a Modbus host?
It uses a four-wire multidrop network, so polarity, termination and the unique device address must follow the segment design.
Which entry tells ENTEK 6652 how to interpret a probe signal?
The configured transducer sensitivity converts the electrical input into the required engineering displacement value.
Why must the initial gap be documented for ENTEK 6652?
The gap establishes the probe's operating point and confirms that shaft movement can be measured across the intended range.
What happens locally if ENTEK 6652 loses supervisory communication?
Its continuous protection processing remains a rack function; the effect on remote visibility depends on the host configuration.
When should an ENTEK 6652 latched relay be reset?
Reset it only after the trip source has been evaluated and the machine is in a state approved by the operating procedure.
Which proof test is appropriate after fitting ENTEK 6652?
Inject controlled channel signals and verify indication, alarm delay, relay action and Modbus reporting against the documented setpoints.