2MLI-A21A Honeywell MasterLogic-200 I/O Module

2MLI-A21A MasterLogic-200 I/O Module

• Brand & Model: Honeywell MasterLogic-200, 2MLI-A21A Input/Output Module.
• AC Input Section: 8 points, rated AC100-240V (+10/-15%), 50/60 Hz (±3 Hz).
• AC Input Current: ~17 mA at AC200V/60Hz, ~14 mA at AC200V/50Hz.
• AC Inrush Current: Max 500 mA for 1 ms or less (at AC264V).
• AC On Threshold: AC80V or higher / 5 mA or higher (50/60 Hz).
• AC Derating: Yes, apply reduction for high-density installation.
• DC Input Section: 16 points, rated DC24V (operation DC20.4~28.8V, ripple <5%).
• DC On/Off Threshold: On ≥ DC19V / 3mA; Off ≤ DC11V / 1.7mA.
• Isolation Method: Photo coupler isolation for both AC and DC channels.

Frequently Asked Questions

• Q: Does the 2MLI-A21A support both AC and DC inputs simultaneously?
  A: Yes, it has 8 AC inputs and 16 DC inputs, fully independent.
• Q: Can I use this module with 230V AC field devices?
  A: Yes, rated AC100-240V covers 230V applications.
• Q: What is the derating requirement for AC inputs?
  A: Refer to the manual; derating applies when all 8 AC points are active.
• Q: Is the DC input polarity sensitive?
  A: Yes, connect + to common and - to input terminals.
• Q: Does this module have LED status indicators?
  A: Yes, each AC and DC channel has a dedicated LED.
• Q: How do I get technical documents for this module?
  A: Contact us via email or phone (details below).

Contact Information Inquiries: sales@nex-auto.com ， +86 153 9242 9628

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