Status Word; Reference; Planning - ABB ACS550-01 User Manual

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– Parameter 9802 COMM PROT SEL = 4 (EXT FBA).
– The external plug-in fieldbus adapter is configured to use the drive profile
The content of the
user's manual provided with the FBA module and/or the "ABB Drives Profile
Technical Data".

Status Word

The
STATUS WORD
the fieldbus controller. The content of the
profile used. See the user's manual provided with the FBA module and/or the "ABB
Drives Profile Technical Data" section.

Reference

The contents of each
• Can be used, as speed or frequency reference.
• Is a 16-bit word comprised of a sign bit and a 15-bit integer.
• Negative references (indicating reversed rotation direction) are indicated by the
two's complement of the corresponding positive reference value.
The use of a second reference (REF2) is supported only when a protocol is
configured for the ABB Drives profile.
Reference scaling is fieldbus type specific. See the user's manual provided with the
FBA module and/or the following sections as appropriate:
• "ABB Drives Profile Technical Data"
• "Generic Profile Technical Data"
Actual Values
Actual Values are 16-bit words containing information on selected operations of the
drive. Drive Actual Values (for example, group 01 parameters) can be mapped to
Input Words using group 51 parameters (protocol-dependent, but typically
parameters 5104...5126).

Planning

Network planning should address the following questions:
• What types and quantities of devices must be connected to the network?
• What control information must be sent down to the drives?
• What feedback information must be sent from the drives to the controlling
system?
Fieldbus Adapter
mode or drive profile objects.
CONTROL WORD
is a 16-bit word containing status information, sent by the drive to
REFERENCE
depends on the protocol/profile used. See the
STATUS WORD
word:
ACS550 User's Manual
depends on the protocol/