Siemens SIMATIC ET 200S Manual page 151

1Count 5V/500kHz
UP DN
Status indicator
counting dir. (green)
SYN
Status indicator for syn-
chronization (green)
LEDs
SF UP DN SYN 9
On
On
On
On
On
Figure 6-12 LEDs on the 1Count 5V/500kHz
ET 200S Distributed I/O System
EWA-4NEB780602402-09
SF
Group
error (red)
9
Status indicator for the
digital output (green)
Status indicator for di-
gital input (green)
Meaning
13 16
No parameter assignment.
There is a diagnostic mes-
sage.
Status of the counter's low
bit if the counter is coun-
ting up
Status of the counter's in-
verted low bit if the coun-
ter is counting down
Synchronization is execu-
ted (only in count modes;
image of STS_SYN feed-
back bit)
DO 1 is activated
On
DO 2 is activated
On DI is activated
Commissioning and Diagnostics
13
16
What to do
Check the parameter assign-
ment. Evaluate the diagnosis.
6-17