4-23
ET 200U Distributed I/O Station
EWA 4NEB 812 6087–02b
Press<F7> (HELP) to change KF format (fixed point number) to KH format
(hexadecimal number) and vice versa.
3. Specify the status of the outputs that you want to force. Press <F6> (EN-
TER) to confirm the status.
Result: At the end of every cycle, COM ET 200 transfers output data to the
selected station. The software requests input data and (station) diagnostics
data. If problems occur, fault messages appear as text in the STATION
DIAGNOSTICS field.
The assignment of the function keys changes:
F2
F3
F4
F5
F6
F7
F8
F1
F2
F3
F4
F5
F6
F7
F8
F1
STOP
EXIT
To
freeze
the
screen,
that
is,
to
stop
the
update
of
the
input
fields,
proceed
as
fol-
lows:
4. Press <F6> (STOP).
Now you can set the outputs again.
COM ET 200 displays the state of the inputs in the INPUTS
field in KM for-
mat for digital modules or in KH format for analog modules.
Inputs for a 464–8MA21 module (module ID 4AI, analog module):
Channel
4
3
2
1
KH =
0001
1E00
00A0
0250
In the OUTPUTS field, you can change the state of individual outputs (al-
ways shown as 0 when this screen appears). COM ET 200 displays the state
of the outputs in KM format for digital modules or in KH format for analog
modules.
Outputs for a 482–8MA12 module (module ID 027, digital module):
Bit
15
8 7
0
KM =
0110
0010
0001
0001
You can execute the FORCE function with the load circuit turned on or off as
follows:
FORCE with load circuit turned off :You can observe the effect of the
forced outputs for digital modules by checking the output LEDs.
STATUS/FORCE
Function
STATUS Function
Example
FORCE
Function
Example
FORCE with Load
Circuit
ET 200U(DP Siemens): Address Assignment,Starting–Up,Diagnosing Faults Using COM ET200