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24 Control locations and operating modes
Local control vs. external control
The ACS880 has two main control locations: external and local. The control location
is selected with the Loc/Rem key on the control panel or in the PC tool.
Local control
The control commands are given from the control panel keypad or from a PC
equipped with Drive composer when the drive is set to local control. Speed and
torque control modes are available for local control; frequency mode is available
when scalar motor control mode is used (see parameter
).
Local control is mainly used during commissioning and maintenance. The control
panel always overrides the external control signal sources when used in local control.
Changing the control location to local can be prevented by parameter
.
The user can select by a parameter (
) how the drive
reacts to a control panel or PC tool communication break. (The parameter has no
effect in external control.)
Control panel or Drive
composer PC tool (optional)
Fieldbus adapter (Fxxx)
or DDCS communication
module
1) Extra inputs/outputs can be added by installing optional I/O extension modules (FIO-xx) in
drive slots.
2) Encoder or resolver interface module(s) (FEN-xx) installed in drive slots.
MOTOR
PLC
M
3~
I/O
1)
Embedded fieldbus
interface (EFB) or
master/follower link
External control
Local control
Encoder
2)
ACS880
Control panel
Содержание ACS880-01 Series
Страница 1: ...ABB industrial drives Firmware manual ACS880 ESP control program option N5600 ...
Страница 4: ......
Страница 12: ...12 Table of contents ...
Страница 20: ...20 Introduction to the manual ...
Страница 22: ...22 Using the control panel ...
Страница 28: ...28 Control locations and operating modes ...
Страница 145: ...Application macros 145 Fieldbus control macro This application macro is not supported by the current firmware version ...
Страница 146: ...146 Application macros ...
Страница 502: ...502 Parameters ...
Страница 606: ...606 Fault tracing ...
Страница 662: ...662 Control chain diagrams ...
Страница 664: ...Contact us www abb com drives www abb com drivespartners 3AXD50000041193 Rev A EN EFFECTIVE 2017 06 30 ...