EPRO MMS6312
EPRO MMS6312
EPRO MMS6312
EPRO MMS6312
EPRO MMS6312
EPRO MMS6312
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MMS6312

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EPRO MMS6312 is a dual-channel rotational-speed monitor for speed, key-phase and redundant speed functions in MMS 6000 systems.
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Technical specifications for MMS6312

  • Manufacturer:
    Emerson
  • Part Number:
    MMS6312
  • Product Family:
    Epro
  • Product Type:
    Dual-Channel Rotational Speed Monitor
  • Stock:
    1
  • Channels:
    2 speed or key inputs
  • Supported sensor families:
    PR642x eddy-current chains, PR9376 and PR6453
  • Operating functions:
    Speed, key pulse, direction and redundant speed
  • Power consumption:
    Maximum 6 W; 250 mA at 24 VDC
  • Mating connector:
    F48M; ordered separately
  • Supply voltage:
    18 to 31.2 VDC; nominal 24 VDC
  • Configuration interface:
    RS232 on module front
  • System interface:
    RS485; up to 31 modules / 62 channels per bus
  • Module protection:
    IP00; front plate IP21
  • Operating temperature:
    0 to 65°C
  • Storage and transport temperature:
    -30 to 85°C
  • Relative humidity:
    5 to 95%, non-condensing
  • Dimensions:
    3.0 × 12.84 × 16.0 cm
  • Weight:
    0.32 kg
  • Tariff Code:
    9031809090
  • Country of origin:
    Germany
  • 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 Speed Scaling Input Reliability Protection Functions Application
  • Enter the real target count before interpreting speed
  • Match sensor waveform and trigger settings over the full speed range
  • Configure redundancy only with mechanically equivalent inputs

EPRO MMS6312 is a two-channel speed monitor for rotational speed, key-phase, direction and redundant-speed duties in MMS 6000 systems.

It supports documented eddy-current and Hall or magnetic sensor arrangements and provides configurable protection, proportional and buffered outputs for rotating machinery.

Before replacement, record sensor and target details, pulses per revolution, speed range, trigger thresholds, direction logic, redundancy mode, alarms, relays, outputs, bypasses and module configuration.

Availability, condition, price, and shipping time for MMS6312 are confirmed during quotation.

Emerson MMS6312 Manuals, Datasheets, Links

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.

  • Set pulses per revolution from the actual target
  • Confirm engineering units and full speed range
  • Compare indicated speed with an independent reference
  • Verify air gap and waveform at minimum and maximum speed
  • Set threshold and hysteresis to avoid edge doubling
  • Inspect shielding and sensor supply before replacing the module
  • Preserve direction and redundant-speed logic
  • Restore alarms, relays and analog outputs
  • Test dropout and recovery under controlled conditions
  • Turbine and compressor rotational-speed monitoring
  • Redundant speed measurement for machinery protection
  • Key-phase and direction monitoring in MMS 6000 systems
Description
MMS6312 is an Emerson/epro MMS 6000 dual-channel rotational-speed monitor.

It supports speed, key-pulse, direction and redundant-speed functions with documented PR642x, PR9376 and PR6453 sensor arrangements.

Set the actual pulses-per-revolution value, check waveform integrity across the speed range, and restore the approved alarm, relay and output configuration.
Alternative Names
MMS6312 MMS 6312 EPRO MMS6312 EPRO MMS 6312 Emerson EPRO MMS6312 MMS 6000 MMS6312
Technical notes
MMS6312 speed accuracy depends on correct target count and trigger geometry. A wrong pulses-per-revolution value can produce a stable but incorrect speed indication.
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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.
Can EPRO MMS6312 use the same configuration for a gear wheel and a once-per-revolution key?
No. Target count, speed range, trigger behavior and intended function differ; configure the actual number of pulses per revolution and sensor waveform.
Which sensors can be considered for EPRO MMS6312 replacement projects?
The original data supports documented PR642x eddy-current chains and PR9376 or PR6453 arrangements; verify the exact suffix, supply, target and signal interface.
Why can EPRO MMS6312 show a stable speed that is exactly wrong by a factor?
The pulses-per-revolution or target-count setting is incorrect, or the sensor is triggering on both target edges instead of the intended event.
What must be backed up before replacing EPRO MMS6312?
Save sensor modes, target counts, speed ranges, trigger thresholds, direction and redundancy logic, alarms, relays, analog outputs, bypasses and rack position.
What should be checked if one EPRO MMS6312 channel drops out during acceleration?
Review signal amplitude versus speed, air gap, target geometry, cable noise, threshold and hysteresis, sensor supply and channel-specific diagnostics.
Can EPRO MMS6312 channels be used as a redundant pair automatically?
Only after configuring the documented redundant-speed mode and confirming both sensors view the same mechanical speed with matched target counts, polarity and voting logic.
How should EPRO MMS6312 be accepted after installation?
Compare both channels with an independent tachometer from low to rated speed, verify direction and key functions, then prove alarms, relays, outputs and fault recovery.

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