MMS 6000 MACHINE MONITORING SYSTEM
MMS 6310
Dual Channel Key-Pulse Monitor
MMS 6310 is a dual-channel key-pulse monitoring module within the MMS 6000 machine monitoring family. It is designed to receive key-pulse signals from compatible rotating-machine transducers and make those signals available to the monitoring system for phase reference and related machine-monitoring functions.
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CHANNEL ARCHITECTURE
Dual-channel key pulse
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SENSOR FAMILY
PR 642x / PR 9376
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POWER
18–31.2 VDC / max. 4 W
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01 / Product Details
Key-pulse acquisition for rotating machinery monitoring architectures.
Monitoring Concept
The MMS 6310 provides two key-pulse channels for the MMS 6000 machine monitoring architecture. The module is intended for applications where a reliable rotational reference pulse is required by other monitoring functions.
The module supports compatible eddy-current transducer arrangements and provides key-pulse signals through the MMS 6000 system connection. Its two-channel design allows two independent key-pulse inputs to be integrated into the monitoring architecture.
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Core Functions
• Two independent key-pulse channels
• Connection to MMS 6000 monitoring functions
• Compatible transducer interfaces
• Channel Clear supervision
• RS485 system communication
• Front RS232 configuration interface
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02 / Functional Characteristics
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Dual-channel key pulse
Two key-pulse channels are available for integration into the MMS 6000 monitoring architecture.
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Phase reference
The key pulse provides a rotational reference that can be used by compatible MMS 6000 monitoring functions.
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Sensor compatibility
The connection arrangement supports compatible PR 642x and PR 9376 transducer configurations.
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Channel supervision
Channel Clear outputs provide a status indication for the individual monitoring channels.
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Redundant supply input
Two supply inputs are decoupled by diodes, and at least one supply input is required for module operation.
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System communication
An RS485 bus connection allows the module to operate within an MMS 6000 monitoring network.
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03 / Technical Specifications
| Parameter |
MMS 6310 |
| Product type |
Dual Channel Key-Pulse Monitor |
| Measuring mode |
Key pulse |
| Channels |
2 independent key-pulse channels |
| Suitable transducers |
PR 642x and PR 9376 transducer configurations |
| System bus |
RS485 |
| RS485 capacity |
Maximum 31 modules / 62 channels on one RS485 bus |
| Configuration interface |
RS232 interface on the module front or configuration through the RS485 bus |
| Supply voltage |
18–31.2 V DC; nominal 24 V DC |
| Power consumption |
Maximum 4 W; maximum 170 mA at 24 V |
| Supply architecture |
Two redundant supply inputs, diode-decoupled |
| Module protection |
IP00 according to DIN 40050 |
| Front plate protection |
IP21 according to DIN 40050 |
| Operating temperature |
0 to +65°C |
| Storage / transport temperature |
−30 to +85°C |
| Relative humidity |
5–95%, non-condensing |
| Permissible vibration |
0.15 mm amplitude at 10–55 Hz; 16.6 m/s² acceleration at 55–150 Hz |
| Permissible shock |
98 m/s² peak acceleration; nominal shock duration 16 ms |
| EMC resistance |
According to EN 50081-1 / EN 50082-2 |
| PCB format |
Eurocard format according to DIN 41494; 100 × 160 mm |
| Width |
30.0 mm / 6 TE |
| Height |
128.4 mm / 3 HE |
| Length |
160.0 mm |
| Net weight |
Approximately 320 g |
04 / MMS 6000 Series
MMS 6310 is part of the MMS 6000 family of machine monitoring modules. The series combines dedicated monitoring functions for vibration, displacement, eccentricity, key pulse, speed and other rotating-machine parameters.
MMS 6110
Relative rotor vibration |
MMS 6120
Bearing vibration |
MMS 6140
Absolute rotor vibration |
MMS 6210
Thrust position |
MMS 6220
Eccentricity |
MMS 6310
Key pulse |
MMS 6312
Rotational speed + key pulse |
MMS 6410
Static displacement |
Selection point: MMS 6310 is the key-pulse-focused choice in the series, while MMS 6312 combines rotational-speed and key-pulse functions. The two should therefore not be treated as interchangeable simply because both use a key-pulse signal.
05 / Application & Fault Scenarios
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Rotating Machinery Reference
MMS 6310 is intended for rotating-machine monitoring systems where a key pulse is required as a rotational reference for compatible monitoring functions.
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Turbine & Compressor Systems
The module can be integrated into MMS 6000 installations used around rotating equipment where key-pulse reference signals are required for machine monitoring.
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Channel Status Abnormality
If a channel does not provide the expected key-pulse condition, the Channel Clear status should be checked together with sensor wiring, transducer compatibility and supply conditions.
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Replacement Matching
For a replacement, verify the existing rack position, two-channel arrangement, transducer type, wiring, RS485 architecture and supply configuration before fitting the module.
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Important installation point: The transducer cable screen must not be connected to earth, GND or the extension-cable screen because this can short the sensor supply voltage.
Supply & Order Details
Delivery
3–5 days |
Warranty
12 months |
Packaging
Brand New |
Payment
T/T |
Delivery Way
E-packing / FedEx / EMS / TNT / DHL / UPS |
Quotation Details
Part Number / Quantity / Destination / Required Date / Machine/System |
06 / MMS 6310 Buyer FAQ
Q1. Is MMS 6310 the right replacement when the existing system needs a dedicated key-pulse function?
MMS 6310 is specifically designed as a dual-channel key-pulse monitor within the MMS 6000 architecture. It is appropriate when the replacement requirement is centered on key-pulse acquisition and distribution to compatible monitoring functions. If rotational speed measurement is also required directly from the module, MMS 6312 should be evaluated separately because its function combines rotational speed and key pulse.
Q2. What should be verified before ordering MMS 6310 as a replacement for an installed module?
Verify the existing MMS 6000 rack arrangement, channel count, transducer type, wiring, RS485 bus configuration and supply arrangement. The replacement should also match the intended key-pulse function rather than simply matching the physical card format.
Q3. Can MMS 6310 work with the PR 642x sensor family used in an existing monitoring system?
Yes. The MMS 6310 connection arrangement is designed for compatible PR 642x transducer configurations. The actual replacement should still be checked against the installed sensor type, wiring arrangement and system rack configuration before installation.
Q4. Why can MMS 6310 show an abnormal channel condition even when the module is receiving power?
Power availability alone does not confirm a valid key-pulse signal. The sensor connection, transducer compatibility, signal path, Channel Clear status and related system wiring should be checked. The transducer cable screen is also important because incorrect connection can short the sensor supply voltage.
Q5. Is MMS 6310 interchangeable with MMS 6312 when both applications use a key-pulse signal?
They should not be treated as automatically interchangeable. MMS 6310 is specified as a dual-channel key-pulse monitor, while MMS 6312 combines rotational-speed and key-pulse monitoring. The required machine-monitoring function, channel configuration and existing system arrangement should therefore be checked before selecting the replacement.
Return & Replacement Policy
Please contact us within 7 days if you have any question after you receiving the items.
Returned items should remain in their original condition and include the specific reason for the return. Once the returned items have been received and checked, we will arrange a return or replacement for the order when applicable.
The buyer is responsible for all shipping costs incurred by the return.
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Request a Quotation for MMS 6310
Please provide Part Number, Quantity, Destination, Required Date and Machine/System.
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