Maynuo Electronic Co Ltd
Adaptateur RS-232C Maynuo M-131
Adaptateur RS-232C Maynuo M-131
SKU: M-131
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Key Features
Overview
The M-131 adapter bridges the communication gap between modern PCs and Maynuo test equipment, converting TTL signal levels to RS-232 standard. Essential for remote control, automated testing, and data acquisition applications.
All Maynuo electronic loads and programmable power supplies feature TTL-level DB9 ports that require voltage level conversion for PC compatibility. The M-131 includes galvanic isolation to prevent ground loops and protect both instruments during measurement operations.
Compatible with standard serial communication software and includes LED status indicators for real-time TX/RX monitoring. For USB connectivity requirements, consider the Maynuo M-133 USB adapter as an alternative.
Why Engineers Choose The Adaptateur RS-232C Maynuo M-131
Essential PC Connectivity
Automated Testing Capability
Cost-Effective Solution
Le M-131 est un convertisseur RS-232 à utiliser avec les charges électroniques et les alimentations programmables Maynuo.
Frequently Asked Questions
Have a Question?
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How long is the M-131 cable?
The cable length is 1.2 metres, providing sufficient reach for typical workbench configurations while maintaining signal integrity.
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What software works with the M-131 adapter?
Use Maynuo's free PC software, standard serial terminal programs, or custom applications using SCPI commands for automated testing and data acquisition.
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Does the M-131 include galvanic isolation?
Yes, the adapter provides galvanic isolation to prevent ground loops and protect both your instrument and PC during measurements.
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What's the difference between M-131, M-132, and M-133 adapters?
M-131 provides RS-232 output, M-132 offers RS-485 communication, and M-133 converts directly to USB. Choose based on your PC connectivity requirements.
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Can I use the M-131 with USB-to-serial adapters?
Yes, the M-131 works perfectly with quality USB-to-serial adapters that provide proper DTR/RTS signals for power and full RS-232 voltage levels.
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What communication speeds does the M-131 support?
The adapter supports standard baud rates from 4800 to 38400 bps, with 9600 bps being the most commonly used setting for Maynuo instruments.
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Does the M-131 require external power?
No, the M-131 is powered from the DTR and RTS signals from your PC's serial port, eliminating the need for external power adapters.
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Which Maynuo instruments are compatible with the M-131?
All Maynuo electronic loads (M97, M98, M983X series) and programmable power supplies (M88 series) with DB9 communication ports work with the M-131 adapter.
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Can I connect my Maynuo instrument directly to a PC without the M-131?
No, never connect the instrument's TTL DB9 port directly to a PC RS-232 port. The voltage levels are incompatible and may damage your equipment. The M-131 level conversion is essential.
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What is the M-131 adapter used for?
The M-131 converts TTL voltage levels from Maynuo electronic loads and power supplies to RS-232 levels compatible with PC serial ports, enabling remote control and data logging.