Allen Bradley 440C-CR30-22BBB Software Configurable Safety Relay

FAQ

Q1: What is the Allen-Bradley 440C-CR30-22BBB used for?
The 440C-CR30-22BBB is a Guardmaster configurable safety relay used for machine safety monitoring, emergency-stop control, safety gate monitoring, and industrial safety automation applications.

Q2: What safety standards does the 440C-CR30-22BBB support?
The relay supports up to Performance Level e (PLe), Category 4 according to ISO 13849-1, and SIL 3 according to IEC 62061 and IEC 61508.

Q3: How many safety I/O points are available on the 440C-CR30-22BBB?
The unit provides 22 embedded safety I/O points with up to 10 configurable semiconductor safety outputs.

Q4: What communication interfaces are included on the 440C-CR30-22BBB?
The relay includes USB programming, non-isolated RS-232 serial communication, and Modbus support, with optional EtherNet/IP expansion modules available.

Q5: What software is used to configure the 440C-CR30-22BBB?
The relay can be configured using Connected Components Workbench (CCW) software or Studio 5000 Logix Designer software.

Q6: What type of applications is the 440C-CR30-22BBB suitable for?
It is commonly used for monitoring emergency-stop circuits, safety doors, light curtains, two-hand control systems, and other machine safety devices.

Q7: What are the dimensions and weight of the 440C-CR30-22BBB?
The approximate dimensions are 100 × 90 × 80 mm, and the unit weighs about 0.8–1.0 kg depending on installation configuration.

Q8: Is the 440C-CR30-22BBB suitable for industrial environments?
Yes, the relay is designed for industrial automation environments and supports DIN rail installation, IP20 protection, and high-level machine safety applications.

440C-CR30-22BBB Allen Bradley

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