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          Apter Power provides official documentation, configuration review, and system matching for this monitor.

        A6312/06

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        1001 reviews ｜ Need a Specific Revision?
        The Emerson A6312/06 Dual-Channel Speed and Key Monitor measures shaft speed and rotational reference pulses in A6000 machinery monitoring systems.
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        Ships by Saturday, November 14
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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        Technical specifications for A6312/06

        • Manufacturer:
          Emerson
        • Part Number:
          A6312/06
        • Product Family:
          Emerson
        • Product Type:
          Dual-Channel Speed and Key Monitor
        • Stock:
          1
        • Number of channels:
          Two independent channels
        • Monitoring functions:
          Shaft speed, key pulse, zero speed, rotation direction, and speed difference
        • Sensor arrangement:
          Two eddy-current measuring chains or Hall-effect sensors, such as PR 9376
        • Trigger targets:
          Trigger wheels for speed measurement or once-per-revolution marks for key measurement
        • Input resistance:
          Greater than 100 kΩ
        • Input voltage range:
          0 to ±27.3 VDC
        • Input frequency range:
          0 to 20,000 Hz
        • Sensor supply voltage:
          26.75 VDC, tolerance ±2%
        • Sensor supply current:
          20 mA nominal, 35 mA maximum
        • Current outputs:
          One channel-related current output per measurement channel
        • Pulse outputs:
          Open-collector and TTL pulse outputs
        • Front connections:
          Four SMB sockets for sensor and TTL pulse signals
        • Configuration interface:
          Mini-DIN socket for RS-232 configuration and visualization
        • Rack connector:
          DIN 41612, form F 48 M
        • Operating temperature:
          0 to +45°C nominal; -10 to +65°C maximum, not CSA conform
        • Storage temperature:
          -30 to +85°C
        • Weight:
          0.705 lbs (0.32 kg)
        • Estimated shipping dimensions:
          30 x 128.4 x 160 mm (W x H x L); PCB/EURO card format 100 x 160 mm
        • Tariff Code:
          9031809090
        • Country of origin:
          United States
        • 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 Signal Inputs Measurement Modes Outputs Installation

        Features:

        • 6 HP front width of approximately 30 mm
        • DIN 41612 form F 48 M rack connector
        • Approximately 320 g net module weight
        The /06 designation identifies the narrow A6312 mechanical version. Its 6 HP front assembly must be matched to the available rack space rather than substituted by the wider /08 construction.

        Two green channel-clear indicators and four yellow function indicators provide local status. The front panel also carries SMB signal access and the mini-DIN configuration connection.

        Use the documented Euro-card mounting arrangement and provide appropriate cabinet ventilation. The selected slot, rack connector, supply source, and card marking should all be checked before insertion.
        The Emerson A6312/06 Dual-Channel Speed and Key Monitor is listed as Active / Available from OEM. Apter Power supports official documentation and configuration review.
        Emerson A6312/06 Dual-Channel Speed and Key Monitor 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.

        Transducer interface details

        • Input channels: Two independent measurement paths accept separate shaft-related sensor signals.
        • Sensor types: The monitor is documented for eddy-current measuring chains or Hall-effect sensors such as PR 9376.
        • Sensor supply: Each channel has a 26.75 VDC sensor supply with ±2% tolerance and 35 mA maximum current.
        • Frequency range: Input processing covers signals from 0 to 20,000 Hz for the configured speed or key function.

        Configured monitoring functions

        • Independent speed: The channels can monitor rotational speeds from two separate shafts.
        • Independent key: Each channel can process a shaft reference pulse from its own trigger mark.
        • Rotation direction: Combined channels compare phase-shifted marks to establish forward or reverse rotation.
        • Speed difference: A paired-channel configuration can calculate the difference between two shaft speeds.

        Available signal paths

        • Current signals: Channel-related current outputs provide conditioned measurement values for connected monitoring equipment.
        • Collector pulses: Open-collector paths make pulse information available for external logic interfaces.
        • TTL pulses: Separate TTL outputs reproduce channel pulse information at the front signal connections.
        • Service interface: The mini-DIN RS-232 connection supports configuration and visualization with the approved software.

        Rack and commissioning checks

        • Power source: Operate the module from the specified 24 VDC SELV/LPS supply arrangement.
        • Card seating: Align the Euro-format PCB with the correct slot and fully engage the DIN 41612 connector.
        • Air circulation: Maintain the documented cabinet clearance or cooling so rack temperature remains within the allowed range.
        • Signal verification: Confirm sensor polarity, gap, trigger geometry, shielding, and channel configuration before enabling alarms.
        Description
        The microprocessor-controlled A6312/06 is a dual-channel rotational speed and key monitor for the A6000 machinery monitoring system. It works with two eddy-current measuring chains or Hall-effect sensors, such as PR 9376, and trigger wheels on rotating shafts.

        Each channel of A6312/06 can independently measure shaft speed or a once-per-revolution key pulse. When the two channels are combined, the monitor can determine rotation direction from phase-shifted marks or calculate the speed difference between two shafts.

        For signal integration, A6312/06 provides channel-related current outputs, open-collector pulse paths, and TTL pulse outputs. Front SMB connections expose sensor and pulse signals, while the mini-DIN service connection supports RS-232 configuration and visualization.

        Install A6312/06 only in the specified rack position with a 24 VDC SELV/LPS supply. Before commissioning, verify the DIN 41612 connector, sensor wiring, trigger geometry, ventilation clearance, and the complete order marking on the fitted card.
        Alternative Names
        A6312/06 A6312-06 A6312 06 A631206 Emerson A6312/06 Emerson A6312-06 EPRO A6312/06 A6000 A6312/06 Speed Key Monitor
        Technical notes
        A6312/06 is the 6 HP version of Emerson's dual-channel speed/key monitor. Match its connector, sensor type, and measurement configuration before installation.
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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.
        VIEW ALL FAQS
        Which sensors can be connected to Emerson A6312/06?
        Emerson A6312/06 is intended for two eddy-current measuring chains or Hall-effect sensors, such as PR 9376, used with suitable trigger targets.
        Can the two channels of Emerson A6312/06 measure separate shafts?
        Yes. Emerson A6312/06 can configure its two channels independently for two shaft-speed measurements or two key-pulse measurements.
        How does Emerson A6312/06 determine rotation direction?
        Emerson A6312/06 combines both channels and compares phase-shifted trigger marks to determine the direction of one rotating shaft.
        What should be checked if Emerson A6312/06 shows no speed pulses?
        For Emerson A6312/06, check sensor gap, wiring continuity, sensor supply, trigger-wheel geometry, input frequency, and the channel-status indicators.
        What rack space and connector does Emerson A6312/06 require?
        Emerson A6312/06 uses a 6 HP front width of approximately 30 mm and a DIN 41612 form F 48 M rack connector.
        What power and temperature conditions apply to Emerson A6312/06?
        Operate Emerson A6312/06 from the specified 24 VDC SELV/LPS source; the documented nominal ambient range is 0 to +45°C.
        How can Emerson A6312/06 signals be connected to other monitoring equipment?
        Emerson A6312/06 provides current, open-collector pulse, and TTL pulse outputs; match the selected output to the receiving equipment specifications.

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