Introduction

The XM-440 Master Relay Module is a versatile device that integrates four relay outputs with XM bus master functionality, enabling remote, shared, and voted relay operations across distributed XM measurement modules. Part of the Allen-Bradley™ XM® Series, this module is designed for DIN rail mounting and is suitable for both standalone condition monitoring applications and integration with Programmable Logic Controllers (PLCs) and control system networks.

Specifications

Power

• Module Consumption: 24V DC, 200mA maximum
• Heat Production: 3.4 Watts (11.6 BTU/hr) maximum

Environmental

• Operating Temperature: -20° to +65°C (-4° to +149°F)
• Storage Temperature: -40° to +85°C (-40° to +185°F)
• Relative Humidity: 95% non-condensing
• All printed circuit boards are conformally coated in accordance with IPC-A-610C.

Physical

• Dimensions:
  • Height: 3.8 in (97 mm)
  • Width: 3.7 in (94 mm)
  • Depth: 3.7 in (94 mm)
• Terminal Screw Torque: 7 pound-inches (0.6 Nm)