Siemens SIMATIC EM 300, Manual

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Hand-held Controller
SIMATIC - EM 300 Motor Starters
GWA-4NEB 640070302-05
4-5
4.4 Buttons
Remote button
You can set the motor starter to automatic mode with the remote button.
In this mode you can monitor the status of the bus control.
The LED indicates
• on a direct starter whether the bus is controlled,
• on a reversing starter, the direction currently activated:
Clockwise (LED right) or anticlockwise (LED left).
Local button
With the local button you can set the motor starter to manual mode .
Activation via PROFIBUS-DP is blocked in this mode!
If you switch from "remote" to "local", an active motor is switched off.
If you disconnect the hand-held controller,
• "local" mode is maintained, i. e. activation via PROFIBUS-DP remains blocked.
• a motor in operation is switched off.
Right-/left button
The table below shows the functions of the right and left button in "local" mode
in relation to the function mode of the hand-held controller:
Function
mode of HHU
"Local" mode
Jogging
mode
The motor starter remains switched on while you keep the right or
left button (on the reversing starter) pressed.
Continuous
mode
You can effect the following actions:
• With a direct starter
– Switch on the motor starter by pressing the ”Right” button
once,
– Switch off the motor starter by pressing the ”Right” button
again or by pressing the ”Left” button.
• With a reversing starter
– Activate the ”left” or ”right” direction of rotation by pressing
the appropriate button,
– Switch off the motor starter by pressing the same button
again,
– Reverse the direction of rotation directly.