Led Display On The Em 1Ssi - Siemens SIMATIC ET 200S Manual

1SSI
SF
Group
error (red)
DN
UP
Status indicator
change in
sensor value
(green)
7
CMP
Status Status
indicator for indicator
digital input result of
(green) comparis
on
Figure 6-12

LED display on the EM 1SSI

1STEP 5V/204kHz
SF
Group
error (red)
RDY
REF
Ready for Status
positioning indic. for
job (green) digital
input
REF
(green)
3
Status Positionin
indicator for g in
digital input operation
DI (green) (green)
Figure 6-13 LEDs on the EM 1STEP 5 V/204 kHz
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
LEDs
SF UP DN
on
on
on
on
LEDs
SF REF RDY 3
on
on
on
POS
Commissioning and Diagnostics
Meaning
7 CMP
No parameter
assignment. There
is a diagnostic
message.
At value change
from smaller to
larger sensor
values (including
zero-crossing)
At value change
from larger to
smaller sensor
values (including
zero-crossing)
DI (latch)
activated.
At comparator
on
result CMP 1
Meaning
POS
No parameter
assignment. There
is a diagnostic
message.
REF activated
If parameters were
assigned to the
module correctly
and pulse enable
has been
activated.
on
DI activated
on
When a
positioning
operation is
running
Remedy
Check the parameter
assignment. Evaluate
the diagnostic
information.
Remedy
Check the parameter
assignment. Evaluate
the diagnostic
information.
6-17