7 Parameters
7.1 Parameter Group 8-** Communication
and Option
8-01 Control Site
Option:
Function:
The setting in this parameter overrides
the settings in
8-50 Coasting Select
to
8-56 Preset Reference Select
.
[0] Digital and
ctrl.word
Control by using both digital input and
control word.
[1] Digital only
Control by using digital inputs only.
[2] Controlword only
Control by using control word only.
8-02 Control Word Source
Select the source of the control word: one of two serial interfaces
or four installed options. During initial power-up, the frequency
converter automatically sets this parameter to
[3] Option A
if it
detects a valid fieldbus option installed in slot A. If the option is
removed, the frequency converter detects a change in the
configuration, sets
8-02 Control Word Source
back to default
setting RS-485, and the frequency converter trips. If an option is
installed after initial power-up, the setting of
8-02 Control Word
Source
does not change, but the frequency converter trips and
displays: Alarm 67
Option Changed
.
When retrofitting a bus option into a frequency converter, that
did not have a bus option installed to begin with, take an
ACTIVE decision to move the control to Bus based. This is done
for safety reasons to avoid an accidental change.
Option:
Function:
[0]
None
[1]
FC RS485
[2]
FC USB
[3]
Option A
[4]
Option B
[5]
Option C0
[6]
Option C1
[30]
External Can
NOTE
This parameter cannot be adjusted while the motor is
running.
8-03 Control Word Timeout Time
Range:
Function:
1 s
*
[ 0.1 -
18000 s]
Enter the maximum time expected to pass
between the reception of two consecutive
telegrams. If this time is exceeded, it indicates
that the serial communication has stopped.
The function selected in
8-04 Control Word
8-03 Control Word Timeout Time
Range:
Function:
Timeout Function
is then carried out. A valid
control word triggers the time-out counter.
8-04 Control Word Timeout Function
Select the time-out function. The time-out function activates
when the control word fails to be updated within the time
period specified in
8-03 Control Word Timeout Time
.
Option:
Function:
[0]
Off
Resumes control via serial bus (fieldbus or
standard) using the most recent control
word.
[1]
Freeze output Freezes output frequency until communi-
cation resumes.
[2]
Stop
Stops with auto restart when communi-
cation resumes.
[3]
Jogging
Runs the motor at JOG frequency until
communication resumes.
[4]
Max. speed
Runs the motor at maximum frequency until
communication resumes.
[5]
Stop and trip Stops the motor, then resets the frequency
converter to restart: via the fieldbus, via
[Reset], or via a digital input.
[7]
Select setup 1 Changes the set-up upon reestablishment of
communication following a control word
time-out. If communication resumes after a
time-out,
8-05 End-of-Timeout Function
defines whether to resume the set-up used
before the time-out, or to retain the set-up
endorsed by the time-out function.
[8]
Select setup 2 See
[7] Select setup 1
[9]
Select setup 3 See
[7] Select setup 1
[10] Select setup 4 See
[7] Select setup 1
[26] Trip
NOTE
To change the set-up after a time-out, the following
configuration is required:
Set
0-10 Active Set-up
to
[9] Multi set-up
and select the
relevant link in
0-12 This Set-up Linked to
.
8-05 End-of-Timeout Function
Option:
Function:
Select the action after receiving a valid control
word following a time-out. This parameter is
active only when
8-04 Control Timeout Function
Parameters
MCA 123 POWERLINK Operating Instructions
MG92C102 - VLT
®
is a registered Danfoss trademark
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