Led Display On The Analog Electronic Modules - Siemens SIMATIC ET 200S Manual

Analog electronic modules
SF
Group error
(red)
Figure 6-9

LED Display on the Analog Electronic Modules

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