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Chapter 4 - Signals and Troubleshooting
DCS 500B / DCP 500B Operating Instructions
IV A 4 - 17
4.6 Status Signals
The status of drive functions (autotuning of controllers; saving val-
ues) is shown by status signals named 11201 and 11202. The
status of the first and / or the second field exciter, the torque control
sequencing and the current controller is shown by the signals
11203 to 11205.
In case of a drive function, which is started by setting a parameter
to a defined value the status is indicated automatically on the LCD
display of the panel CDP 31x in plain text. The indication will show
the result directly or will cross-reference to the final location.
The status of the field exciter(s), torque control and current control-
ler is updated regularly by the converter software and can be
checked if one of the three signals is selected.
Depending on the tool in use (CDP 31x or CMT tool) the plain text
or a number appears on the display / screen. This number repre-
sents a code which is equivalent to the plain text for signal 11201;
for all others it´s a binary coded decimal number (the 16 bit word
with the binary value for each signals is transferred to decimal).
Para-
meter
Code
/
bit
Text on LCD of con-
trol panel CDP 31x
Definition / explication of the signal
Remark
11201
-- ----
COMMIS_STAT:
Result from a drive function. Gives feedback status
information when the DRIVEMODE parameter (1201)
was used to start a drive function.
0
NOT ACTIVATED
selected function successfully worked out
1
RUN COMMAND ?
see code 53
2
FEXC SEL ?
wrong FEX selection
3
FEXC RDY OPER=0
FEX1 / 2 or DCF 503/4 not ready for operation
4
FEXC OK=0
field supply not o.k.; see error message on the dis-
play of the converter
5
FIELD ON=0
FEX1 / 2 or DCF 503/4 not switched on
6
IF NOT IN 95–105%
field current not within 95% ..... 105%
7
NOT O.K.AFTER 20s
drive was not released by hardware within 20s
8
reserved
up to 34
35
CANNOT AUTOTUNE
cannot autotune the armature current controller
36
reserved
up to 48
49
IF AT START ?
Field current does not reach reference within 10s,
when the selftuning is started
3ADW000055R0401_DCS500B_Operating Instruction_e_d