The Yokogawa MX150-6, also cataloged as the MX150 Modular Data Acquisition Unit, operates as a dedicated hardware component for real-time process signal acquisition and power distribution within Yokogawa MX100 series platforms.
| Parameter | Specification |
|---|---|
| Model | MX150-6 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 0.45 kg (1 lb) |
| Dimensions | 407.5 mm x 131 mm x 163 mm |
| Operating Temp | 0 deg C to 50 deg C |
| Power Consumption | 100-240 V AC or 10-30 V DC (configuration dependent) |
| System Compatibility | Yokogawa MX100 Series |
| Module Slots | 6 measurement module connections |
| Supported Modules | 4-CH high-speed universal, 10-CH medium-speed universal, 6-CH RTD, 4-CH strain |
| Sampling Rate | Up to 10 ms (module dependent) |
| Communication Ports | Ethernet (10BASE-T/100BASE-TX), RS-232C, USB |
| Local Storage | CompactFlash (CF) card slot |
| Mounting Options | DIN-rail or panel mount |
| Certifications | CE |
The MX150-6 motherboard base plate provides high-density backplane connectivity for up to 6 measurement modules, routed to deliver channel-to-channel isolation across diverse process input cards. Signal conversion tracks millivolt, RTD, thermocouple, strain gauge, and 4-20 mA HART loop inputs while preventing common-mode ground loop interference. Onboard cold junction compensation (CJC) processing preserves signal integrity for thermocouple elements. The backplane bus communicates via standard Ethernet interface protocols, supporting seamless Modbus/TCP streaming directly to host DCS and industrial network architectures.
Q: How does the base plate handle module insertion and hot-swapping during active measurement?
A: Power off the base plate main supply before removing or seating measurement modules into any of the 6 slots. Inserting cards into an energized backplane can interrupt Ethernet packet transmission or cause internal communication faults across active measurement channels.
Q: What grounding precautions must be applied during panel mounting?
A: Secure the chassis earth terminal located on the base plate to a functional earth ground using a low-impedance conductor. Single-point grounding mitigates electrical noise and cross-talk across high-density universal input wiring.
Mount the base plate horizontally on a standard 35 mm DIN rail or bolt it directly to a rigid mounting plate using the designated mounting holes. Ensure a minimum clearance of 50 mm above and below the chassis to allow unimpeded convection cooling across the internal heat dissipation vents.
Route incoming sensor wiring through dedicated cable ducts, keeping analog input cables separated from high-voltage AC power lines. Connect cable shields to a single grounding bar near the terminal blocks. Verify that all 6 module slot connectors are free of dust or debris before locking field measurement cards into position.
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