The ABB DSMB 151, also cataloged as the DSMB 151 Display Memory, operates as a dedicated hardware component for localized visualization data caching and screen register management tasks within ABB control system architectures.
Hardware Specifications
Parameter
Specification
Model
DSMB 151 / 57360001-K
Brand
ABB
Origin
Sweden
Net Weight
0.4 kg
Dimensions
20 mm x 250 mm x 235 mm (W x H x D)
Operating Temp
0 to +55 deg C (Standard industrial baseline)
Power Consumption
Subrack backplane-dependent
Product Type
Control System Accessory
Exchange Part Number
EXC57360001-K
Customs Tariff Number
85389091
Backplane Bus Communication Velocity and Network Determinism
The DSMB 151 acts as a high-speed repository for display metrics, isolating graphic rendering cycles from the master processor bus lines. By buffering operational interface matrices locally, the module prevents video refresh routines from lowering the primary backplane bus communication velocity. This architectural design ensures that dense graphical updates do not cause timing variations or disrupt the deterministic execution clocks of neighboring I/O cards, maintaining complete firmware flash compatibility with upstream controller racks.
