Danfoss VLT MCA 121 EtherNet/IP, Руководство пользователя

Страница: 31 / 61

6 Parameters
6.1 Parameter Group 8-**
8-01 Control Site
Option: Function:
The setting in this parameter overrides the settings in par.8-50
Coasting Select
to par.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
Option A
[3] 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 par.8-02
Control Word Source
back to default setting
FC
RS485, and the frequency converter then trips. If an option
is installed after initial power-up, the setting of par.8-02
Control Word Source
will not change but the frequency converter will trip and display: Alarm
67
Option Changed
.
This parameter cannot be adjusted while the motor is running.
Option: Function:
[0] None
[1] FC RS485
[2] FC USB
[3] * Option A
[4] Option B
[5] Option C0
[6] Option C1
8-03 Control Word Timeout Time
Range: Function:
1.0 s* [0.1 - 18000.0 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 par.8-04
Control Word Timeout Function
will then be carried out. The time-out counter is triggered
by a valid control word.
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 par.
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 communication resumes.
[2] Stop Stops with auto restart when communication 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 in order to restart: via the fieldbus, via the
reset button on the LCP 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 causing the time-out situation to disappear, par.8-05
End-of-Timeout
MCA 121 EtherNet/IP 6 Parameters
MG.90.J2.02 - VLT ® is a registered Danfoss trademark
31
6