Commissioning
SIMATIC - EM 300 Motor Starters
3-4
GWA-4NEB 640070302-05
3.1.3
Diagnostics
Diagnosis via the LEDs
During operation, the LEDs on the motor starter EM 300 DS and EM 300 RS
indicate the following statuses:
Diagnosis via the user program
You can evaluate the input and output signals in your application.
Please note that
• "DI2" is not driven by the direct starter EM 300 DS, i. e. "DI2" is always 0.
• "DO2" is only driven on versions with a braking contact.
Input signals
LED
Indication
Status
DC 24 V
Steady green light
Auxiliary power applied
Off
Auxiliary power missing
STATE
Steady green light
Control signal applied
(bus / hand-held controller)
DI0
Manual/automatic mode
DI1
Feedback from contactor*
0
Manual
0
Clockwise rotation on
1
Automatic
1
Clockwise rotation off
DI2
Feedback from contactor*
DI3
Circuit-breaker
0
Anticlockwise rotation on
0
Off
1
Anticlockwise rotation off
1
On
* The feedback signal for the protective circuit-breaker position is by means
of positive-action NC contacts. That is why the signal level is inverted here.
Содержание SIMATIC EM 300
Страница 40: ...Commissioning SIMATIC EM 300 Motor Starters 3 12 GWA 4NEB 640070302 05 ...
Страница 46: ...Hand held Controller SIMATIC EM 300 Motor Starters 4 6 GWA 4NEB 640070302 05 ...
Страница 58: ...SIGUARD Safety Integrated SIMATIC EM 300 Motor Starters 6 4 GWA 4NEB 640070302 05 ...
Страница 64: ...Dimension Drawings SIMATIC EM 300 Motor Starters B 2 GWA 4NEB 640070302 05 ...
Страница 70: ...Selection Help SIMATIC EM 300 Motor Starters D 4 GWA 4NEB 640070302 05 ...
Страница 72: ...SIMATIC EM 300 Motor Starters Index 2 GWA 4NEB 640070302 05 ...
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