3
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M
M
N
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S
S
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3.3 Motor
operation
3.3.1 Operation
modes
Location
Operation via
Operation mode
See section
Motor
Pushbutton at local control panel
Local
Switchgear room
M
View
Bus-Local
DCS DCS
Command
Remote
Figure 62 Operation modes
3.3.2 Control
Access
Before operators at any location are able to send a
command, a control access request must be sent to
the M
Control
.
3.3.3 Local
motor
operation
Motors can be operated from a local control panel
which is connected to M
Control
digital inputs (DI).
There are 2 alternatives to enable local operation:
Hardware-Local:
Selector switch (local/remote) at the local control
panel hard-wired to M
Control
digital inputs (DI)
Software-Local:
DCS command sent to M
Link,
enabling local
control panel to operate the motor
5
5
4
4
ABB MNS
i
S System Setup & Operation Quick Guide / System Release 6.0 – Rev.2 / Aug. 2011