ABB Master DSMB176 ABB Master Piece 200/1 Memory Module

Overview

Configured for volatile data retention and system execution in ABB Master Piece 200/1 controllers, the ABB 57960001-HX (DSMB176 Memory Module) provides direct physical/electrical execution. This expansion board provides the necessary hardware interface to mount and interface the PROM module (TES57360001-HX), expanding the non-volatile program storage capacity of the host central processing unit. The module communicates directly over the dedicated local processor bus to ensure synchronous execution of control logic.

Hardware Specifications

Backplane Bus Communication Velocity and Firmware Compatibility

The module integrates directly into the subrack backplane, interfacing with the processor via parallel address and data buses to facilitate low-latency memory cycles. Firmware flash compatibility requires synchronous revision matching with the primary processor module. During initialization, the master CPU validates the hardware signature of the DSMB176 board to align bus timing parameters. Improper alignment or mixed firmware baselines will trigger a bus fault condition, halting the local subrack to prevent corrupted data execution during runtime cycles.

Frequently Asked Questions

Q: Can the DSMB176 memory module be hot-swapped while the Master Piece 200/1 rack is energized?

A: No. The DSMB176 does not possess onboard power isolation circuitry. The subrack must be completely de-energized before inserting or removing the memory module to prevent catastrophic electrical damage to the parallel bus drivers.

Q: What is the purpose of the secondary hardware designation TES57360001-HX?

A: The TES57360001-HX refers specifically to the plug-in PROM module that contains the compiled application code. The DSMB176 acts as the base carrier board required to mechanically secure and electrically route that PROM module to the backplane.

Field Installation Guidelines

• Electrostatic Discharge (ESD) Protection: Technicians must utilize a grounded wrist strap bonded to the chassis frame prior to removing the module from its conductive packaging.
• Mechanical Alignment: Insert the module into the designated slot guides, ensuring the dual DIN connectors align squarely with the backplane mating pins. Apply uniform pressure until the card latches are fully engaged.
• Shielding and Grounding: The subrack frame must maintain a low-impedance connection to the central plant instrumentation earth. Do not route field signals inside the same conduit path as the processor rack power cables.

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