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ABB ACL30 User Manual

ABB ACL30
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Program features 181
Actual signals for the DCU 32-bit profile
The DCU 32-bit profile supports the use of two fieldbus actual values, ACT1 and
ACT2. The actual values are 32-bit values consisting of two 16-bit words. The MSW
(Most significant word) is the integer part and the LSW (Least significant word) the
fractional part of the 32-bit value. A negative reference is formed by calculating the
two’s complement from the corresponding positive value of the integer part (MSW).
Parameters
50.04 FBA REF1 MODESEL and 50.05 FBA REF2 MODESEL select the drive
actual signals for the fieldbus actual values ACT1 and ACT2 respectively as follows:
If you select value Raw data, drive parameters
50.06 FBA ACT1 TR SRC and 50.07
FBA ACT2 TR SRC
select the drive parameters for the fieldbus actual value ACT1
and ACT2 respectively.
If you select value Speed, drive parameter
01.01 SPEED ACT will be written to
fieldbus actual value.
If you select value Torque, drive parameter
01.06 TORQUE will be written to the
fieldbus actual value.
The table below clarifies the relation between the value of drive parameter and
fieldbus actual value (no scaling).
Value of the selected drive signal Corresponding fieldbus actual value ACT1 or
ACT2 [integer and fractional part]
32767.65535 32767.65535
00
-32768.65535 -32768.65535

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ABB ACL30 Specifications

General IconGeneral
BrandABB
ModelACL30
CategoryDC Drives
LanguageEnglish

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