Fieldbus control through a fieldbus adapter 373
Scaling of actual values
The actual values are scaled as defined by parameters
and
; which
scaling is in use depends on the setting of parameters
(see page
).
Contents of the fieldbus Control word
The upper case boldface text refers to the states shown in the state diagram
(page
.
Bit
Name
Value STATE/Description
0
Off1 control
1
Proceed to
READY TO OPERATE
.
0
Stop along currently active deceleration ramp. Proceed to
OFF1
ACTIVE
; proceed to
READY TO SWITCH ON
unless other
interlocks (OFF2, OFF3) are active.
1
Off2 control
1
Continue operation (OFF2 inactive).
0
Emergency OFF, coast to a stop.
Proceed to
OFF2 ACTIVE
, proceed to
SWITCH-ON INHIBITED
.
2
Off3 control
1
Continue operation (OFF3 inactive).
0
Emergency stop, stop within time defined by drive parameter.
Proceed to
OFF3 ACTIVE
; proceed to
SWITCH-ON INHIBITED
.
WARNING:
Ensure motor and driven machine can be
stopped using this stop mode.
3
Run
1
Proceed to
OPERATION D
.
Note:
Run enable signal must be active; see drive documentation.
If the drive is set to receive the Run enable signal from the
fieldbus, this bit activates the signal.
0
Inhibit operation. Proceed to
OPERATION INHIBITED
.
4
Ramp out zero
1
Normal operation. Proceed to
RAMP FUNCTION GENERATOR:
OUTPUT D
.
0
Force Ramp function generator output to zero. The drive will
immediately decelerate to zero speed (observing the torque
limits).
(with motor nominal speed)
(with motor nominal frequency)
0
-20000
20000
Drive
Fieldbus
0
10000
-10000
(with torque reference)
(with power reference)
) (with motor nominal speed)
) (with motor nominal frequency)
) (with torque reference)
) (with power reference)
Summary of Contents for ACQ80
Page 1: ... ABB DRIVES FOR WATER ACQ80 standard program control Firmware manual ...
Page 2: ... Related documents are listed on page 13 ...
Page 4: ......
Page 10: ...10 Table of contents ...
Page 32: ...32 Startup control with I O and ID run ...
Page 34: ...34 Using the control panel ...
Page 74: ...74 Program features ...
Page 78: ...78 Control macros ...
Page 380: ...380 Fieldbus control through a fieldbus adapter ...
Page 384: ...384 Parameterization with Drive Composer ...
Page 388: ...388 Parameterization with Automation builder drive manager ...