OVERVIEW

Official designation: Allen-Bradley 5130-RM2 (Pyramid Integrator, Resource Manager Module)

Role/Application: The 5130-RM2 is a mandatory system component for the PLC-5/250 Pyramid Integrator, providing 384K words of system memory, managing backplane communication arbitration, handling faults, and acting as the programming interface.

KEY SPECS SUMMARY

Power: 3 V DC at 3.0 Amps; 12 V DC at 0.07 Amps; -12 V DC at 0.05 Amps

Interfaces / Ports: Two DH/DH+ communication ports; RS-232, RS-422, or RS-423 port

Indicators: Red Fault LED and other status indicators

Operating Temp: Refer to the latest manufacturer manual.

Platform / Compatibility: Allen-Bradley Pyramid Integrator chassis and PLC-5/250

Limit: Requires lithium battery (e.g., Saft LS14500) for memory retention

Lifecycle: Discontinued by manufacturer; sourcing used or refurbished units required

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: How much system and global memory does the Allen-Bradley 5130-RM2 module contain?

A: The 5130-RM2 Resource Manager module provides 384K words of system and user-defined global memory.

Wiring & Installation:

Q: Which communication protocols are supported by the serial interface on the 5130-RM2 module?

A: The serial interface supports communication with RS-232, RS-422, or RS-423 devices.

Troubleshooting & Compatibility:

Q: Why is the red fault LED illuminated when the 5130-RM2 module is first powered up?

A: The fault LED is typically illuminated on power-up and requires clearing before the module can be used.

Replacement & Upgrades:

Q: Is there a functional replacement or newer module that can be used instead of the 5130-RM2?

A: The 5130-RM2 is the final revision in its series; direct functional replacements are not available.