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The A6210 from EPRO (also referenced as MMS 6210) is a precision dual-channel monitoring module designed for the MMS 6000 system. It provides high-accuracy measurement of thrust position, differential expansion, and rod position in industrial machinery, ensuring safe and reliable operation of critical rotating equipment such as turbines, compressors, and pumps.
Dual independent channels for simultaneous measurement at multiple points
Hot-swappable 3U plug-in design for uninterrupted rack operation
Compliance with API 670 and API 618 standards for machinery protection
Real-time self-checking logic for sensor integrity, power supply, and module health
Configurable measuring ranges and inversion via MMS configuration software
Supports multiple displacement sensors: PR6422, PR6423, PR6424, PR6425
Provides both analog and buffered outputs for integration with DCS and diagnostic tools
Front-panel LED indicators for channel status (green) and alert/danger conditions (red)
RS-232 miniDIN configuration port for parameterization, monitoring, and troubleshooting
| Feature | Specification |
|---|---|
| Model | A6210 / MMS 6210 |
| Module Type | Dual-Channel Thrust, Differential Expansion, and Rod Position Monitor |
| Channels | 2 independent channels |
| Input Type | Eddy Current Differential Sensors (PR6422, PR6423, PR6424, PR6425) |
| Input Isolation | Galvanically separated from power supply |
| Input Resistance | >100 kΩ |
| Input Voltage Range | 0 to -22 V DC |
| Measuring Frequency Range | 0–8 Hz (-3 dB at 10 Hz) |
| Measuring Range | Continuously adjustable via configuration software, includes invert function |
| Sensor Power Supply | Nominal -26.7 V DC, 20 mA nominal, 35 mA max, short/open circuit proof |
| Analog Outputs | 0/4–20 mA proportional, 0–10 V buffered outputs |
| Front Panel Indicators | Green LEDs for channel OK, Red LEDs for Alert and Danger per channel |
| Configuration Interface | RS-232 via miniDIN port |
| Module Size | 3U, 1-slot plug-in module |
| Operating Temperature | 0°C to +65°C |
Turbine Thrust Monitoring: Measures axial displacement to prevent thrust bearing overload
Rod Position Control: Ensures proper rod alignment in pumps and compressors
Differential Expansion Monitoring: Tracks thermal expansion differences to avoid mechanical stress
Predictive Maintenance: Provides trend data for condition-based monitoring programs
Q: What type of sensors does the A6210 support?
A: Compatible with eddy current displacement probes PR6422, PR6423, PR6424, and PR6425.
Q: Can it operate without shutting down the rack?
A: Yes, the module is hot-swappable, allowing replacement or maintenance without interrupting system operation.
Q: How are alerts and trips managed?
A: Integrated LED indicators and configurable analog/digital outputs signal alert and danger conditions, ensuring timely machine protection.
Q: Is configuration software required?
A: Yes, MMS 6000 configuration software is used to adjust measuring ranges, invert signals, and monitor module status remotely.
Ships within 48 hours · Estimated delivery Jul 21 - Jul 26
US$40
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