The ABB NPBA-02, cataloged as the NPBA-02 Profibus Adapter Field Option Kit, operates as a dedicated network communication gateway that mounts directly onto variable frequency drives to interface with high-speed Profibus DP (Decentralized Periphery) industrial networks.
Hardware Specifications
Parameter
Specification
Model
NPBA-02
Brand
ABB
Origin
Finland / Germany
Product Type
PLC Module
Subsystem Classification
Profibus DP Network Field Option Kit
Host Drive Compatibility
ACS600, ACS800, and related drive architectures
Physical Media Interface
RS-485 differential transmission line / Fiber-optic link options
Protocol Profiles Supported
Profibus DP V0 / V1 communication layers
Mechanical Profile
Direct internal/external drive slot mounting configuration
Net Option Weight
1.10 lbs (0.50 kg)
Industrial Control and Drives Backplane Communication Velocity
The NPBA-02 establishes a high-speed communication link between the drive’s internal control board and the master PLC network. To transfer critical operational parameters like speed references, motor torque feedback, and actual running current without lag, the adapter card handles data over the local drive bus at maximum backplane bus communication velocity. This optimized transmission performance supports tight control loops in multi-drive applications, ensuring synchronized motor responses across the factory floor. The module firmware maintains full firmware flash compatibility, allowing network configuration profiles, GSD parameters, and diagnostic tables to be updated directly over the Profibus network without removing the option board from the host drive chassis.
