Commissioning and Diagnostics
5-19
ET 200X Distributed I/O Device
EWA 4NEB 780601602-06
5.3.5
LED on SITOP power
Table 5-9
Status and error displays by means of LEDs on SITOP power
24 VDC (24 V at output terminals):
green
ELECTRONIC/SENSOR 1L+ (supply voltage for electronic components/sensors):
green
LOAD 2L+ (load voltage supply):
green
TEMP > (temperature rise):
red
LEDs
Meaning
Action
24 VDC
ELECTRONIC/
SENSOR 1L+
LOAD 2L+
TEMP >
Off
Off
Off
*
No supply voltage
Short circuit at
output
1)
Switch on the
mains voltage.
Repair the short
circuit.
Flash.
Flash.
Flash.
*
Overload in
RESTART mode
Short circuit at
output
1)
Check the current
consumption and
reduce, if
appropriate, the
number of modules
(see Section 2.7)
Repair the short
circuit.
On
*
*
*
24 V is applied to
the output
terminals.
–
*
On
On
*
Associated bus
segment is
supplied with 24 V
–
*
*
*
Flash.
Switch off as
maximum
temperature
exceeded
Check
environmental and
load conditions
*
Not applicable
1) Depends on parameterized short-circuit response
Summary of Contents for SIMATIC ET 200X
Page 8: ...Preface viii ET 200X Distributed I O Device EWA 4NEB 780601602 06 ...
Page 20: ...Contents xx ET 200X Distributed I O Device EWA 4NEB 780601602 06 ...
Page 40: ...Product Overview 1 20 ET 200X Distributed I O Device EWA 4NEB 780601602 06 ...
Page 58: ...Configuration Options 2 18 ET 200X Distributed I O Device EWA 4NEB 780601602 06 ...
Page 80: ...Installation 3 22 ET 200X Distributed I O Device EWA 4NEB 780601602 06 ...
Page 124: ...Configuration Options 2 18 ET 200X Distributed I O Device EWA 4NEB 780601602 06 ...
Page 328: ...Order Numbers A 10 ET 200X Distributed I O Device EWA 4NEB 780601602 06 ...
Page 348: ...Dimesioned Drawings and Pinouts C 18 ET 200X Distributed I O Device EWA 4NEB 780601602 06 ...
Page 362: ...Index Index 8 ET 200X Distributed I O Device EWA 4NEB 780601602 06 ...