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622 Fieldbus control through the embedded fieldbus interface (EFB)
Actual values
The ABB Drives profile supports the use of two fieldbus actual values, ACT1 and
ACT2. The actual values are 16-bit words each containing a sign bit and a 15-bit
integer. A negative value is formed by calculating the two’s complement from the
corresponding positive value.
The actual values are scaled as defined by parameters
; which scaling
is in use depends on the setting of parameters
and
(see page
).
(with speed reference)
(with frequency reference)
0
-20000
20000
Drive
Fieldbus
0
10000
-10000
(with torque reference)
(with power reference)
-(
) (with speed reference)
-(
) (with frequency reference)
-(
) (with torque reference)
-(
) (with power reference)
Summary of Contents for ACS880-01 Series
Page 1: ...ABB industrial drives Firmware manual ACS880 ESP control program option N5600 ...
Page 4: ......
Page 12: ...12 Table of contents ...
Page 20: ...20 Introduction to the manual ...
Page 22: ...22 Using the control panel ...
Page 28: ...28 Control locations and operating modes ...
Page 146: ...146 Application macros ...
Page 502: ...502 Parameters ...
Page 606: ...606 Fault tracing ...
Page 662: ...662 Control chain diagrams ...