Siemens ET 200S Manual page 140

Commissioning and Diagnostics
1Count 5V/500kHz
UP DN
Status indicator
counting direction
(green)
SYN
Status indicator for
synchronization
(green)
LEDs
SF UP DN SYN 9
On
On
On
On
On
Figure 6-11 LEDs on the 1Count 5V/500kHz
6-16
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
13
16
What to Do
Check the parameter assign-
ment. Evaluate the diagnosis.
Distributed I/O System ET 200S
EWA 4NEB 780 6024-02 07