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OVERVIEW
Official designation: Allen-Bradley 1404-M505A-000 (Powermonitor 3000, Master Module)
Role/Application: Central microprocessor-based module providing accurate metering and native RS-485 communication for industrial power quality analysis and energy management.
KEY SPECS SUMMARY
Power: 120 V to 240 V AC / 125 V to 250 V DC
Interfaces / Ports: Native RS-485, Display Module port
Indicators: Status LEDs (Run, Com, Error, etc.)
Operating Temp: -20 degrees C to 60 degrees C
Platform / Compatibility: Supports Modbus RTU, DF1 protocols
Limit: RS-485 maximum cable length 1219 meters
Lifecycle: Discontinued
FREQUENTLY ASKED QUESTIONS
Technical Specifications:
Q: What is the nominal current and voltage range for power system connection inputs?
A: Current nominal is 5 Amps; Voltage nominal is 347 V to 600 V Line-to-Line RMS.
Wiring & Installation:
Q: What are the cable requirements for the native RS-485 communication port?
A: Use 2-wire shielded cable for maximum performance and distance.
Troubleshooting & Compatibility:
Q: Which communication protocols are supported by the native RS-485 port on this module?
A: The module supports Modbus RTU, DF1 half-duplex, and DF1 full-duplex protocols.
Replacement & Upgrades:
Q: Can the 1404-M505A-000 module be upgraded to support Ethernet/IP or other networks?
A: This M5 version is field upgradeable to M6 or M8 versions which may offer other ports.
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| After-sales Service Contact or Customer Support Number | See this page for details |
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