ABB HEDT300254R1 ED1790 EMBEDDED CONTROLLER

The DCU profile extends the control and status interface to 32 bits, and is the internal interface between the main drive application and the embedded fieldbus environment. Control Word The CONTROL WORD is the principal means for controlling the drive from a fieldbus system. The fieldbus master station sends the CONTROL WORD to the drive.

HEDT300254R1 ED1790 Description:

 The drive switches between states according to the bit-coded instructions in the CONTROL WORD 

Using the CONTROL WORD (ABB Drives profile version) requires that:
The drive is in remote (REM) control. The serial communication channel is defined as the source for controlling commands (set using parameters 1001 EXT1 COMMANDS, 1002 EXT2 COMMANDS and 1102 EXT/EXT2 SEL).

The serial communication channel used is configured to use an ABB control profile. For example, to use the control profile ABB DRV FULL, requires both parameter 9802 COMM PROT SEL = 1 (STD MODBUS), and parameter 5305 EFB CTRL PROFILE =2 (ABB DRV FULL).  

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