Siemens SIMATIC ET 200S - LED Display on the Analog Electronic Modules

Commissioning and Diagnostics
6-15
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
Analog electronic modules
SF
Group error
(red)
LED
SF
Meaning Remedy
on
No parameter
assignment or
incorrect module
inserted. No load
voltage. There is a
diagnostic
message.
Check the
parameter
assignment.
Check the load
voltage. Evaluate
the diagnostic
information.
Figure 6-9 LED Display on the Analog Electronic Modules
1COUNT 24V/100kHz
SF
4
8
UP
DN
LEDs
DN 4 8
Meaning Remedy
on
No parameter
assignment. There
is a diagnostic
message.
Check the parameter
assignment. Evaluate
the diagnostic
information.
on
Status of the
counter’s low bit if
the counter is
counting up
on
Status of the
counter’s inverted
low bit if the
counter is
counting down
SF
on
UP
on
DO (direct c ontrol,
comparator
output) activated.
DI (HW gate,
synchronization,
latch) activated.
Status indicator
counting dir. (green)
Status indicator for
digital input/digital
output (green)
Group
error (red)
Figure 6-10 LED display on the 1COUNT 24 V/100 kHz