ABB ACS510-01 User Manual page 176

176
Control Interface
In general, the basic control interface between the fieldbus system and the drive
consists of:
• Output Words:
–
CONTROL WORD
–
REFERENCE
– Others: The drive supports a maximum of 15 output words. Protocols limits
may further restrict the total.
• Input Words:
–
STATUS WORD
– Actual Value (frequency)
– Others: The drive supports a maximum of 15 input words. Protocols limits may
further restrict the total.
Note! The words "output" and "input" are used as seen from the fieldbus controller
point of view. For example an output describes data flow from the fieldbus controller
to the drive and appears as an input from the drive point of view.
The meanings of the controller interface words are not restricted by the ACS510.
However, the profile used may set particular meanings.
Fieldbus Controller
Process I/O
(cyclic)
Service
Messages
(Acyclic)
Control Word
The
CONTROL WORD
system. The fieldbus controller sends the
switches between states according to the bit-coded instructions in the
. Using the
WORD
• The drive is in remote (REM) control.
• The serial communication channel is defined as the source for controlling
commands from EXT1 (set using parameters 1001 EXT1 COMMANDS and 1102
EXT1/EXT2 SEL).
• The external plug-in fieldbus adapter is activated:
Fieldbus Adapter
Supplied from China by: Guangzhou Tofee Electro Mechanical Equipment Co., Ltd
Email: info@tofee.com.cn
(frequency)
Fieldbus
Control Word (CW)
References
Status Word (SW)
Actual Values
Parameter R/W Requests/Responses
is the principal means for controlling the drive from a fieldbus
requires that:
CONTROL WORD
ACS510 User's Manual
to the drive. The drive
CONTROL WORD
CONTROL