ABB DCS800-S01-0315-05 Firmware handleiding - Pagina 15

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bits in a word, usually setting them all to 1 (TRUE) or 0 (FALSE). The firmware uses the

defined bits in the control words to perform important functions. Undoing the good work of

the firmware with your AP program is bound to cause trouble.

This means that, in many cases, the last block you will use in your AP program will be a

BSet block. Here is an example:

In this example, the block is toggling bit 11 of the MainCtrlWord (7.01) according to the

state of 84.09.0, leaving the other MainCtrlWord bits as they were before. The modified

copy of the MainCtrlWord is written to parameter 84.15. To complete this process, the

output must be set as follows:

This will direct the program to write the value of block 2 output (84.15) to parameter 701

MainCtrlWord (7.01). This all happens very quickly. The result will be that the value of bit

11 while change, but the other bits will remain intact.

For additional information

See the DCS800 firmware manual:

•

Page 67 – 75

•

Page 76 – 98

DCS800 Firmware manual supplement for North America (rev. 2.60, 2.70) Rev. b

Adaptive Program Instructions

Adaptive Program Function Blocks

5/30/2008