DCS 500 User Manual

Page 70

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Chapter 4 - Signals and Troubleshooting

IV A

4 - 18

DCS 500B / DCP 500B Operating Instructions

Para-

meter

Code

/

bit

Text on LCD of con-

trol panel CDP 31x

Definition / explication of the signal

Remark

11201

--

----

Gives feedback status information when the
DRIVEMODE parameter (1201) was used to start the
drive function 3, 5 or 6 (autotuning).

50

OHMIC LOAD ?

Ohmic load not determined

51

IACT FEEDBACK ?

Current feedback is less than current reference dur-
ing measurement of armature resistance. Current
limits are lower than the limit for continous current
flow or lower than 20%.

52

CURRENT CURVE ?

Bad current curve. Fuse blown,thyristor not firing or
no motor load

53

RUN COMMAND ?

Wrong starting conditions. The drive is running when
the autotuning is started or run command is not given
within 20 s after start of autotuning

54

TOO HIGH SPEED ?

Too high speed during autotuning .Speed greater
than 1% or EMF greater than 15%.

55

INDUCTANCE ?

Inductance cannot be determined. Fuse blown, thy-
ristor not firing or no motor load

56

CONT CURR LIM ?

Limit for continous current flow cannot be determined

57

FIELD REMOVAL ?

The field removal takes longer time than 10 s

58

STOP COMMAND ?

Current regulator blocking or stop command appears
during autotuning

59

MUST BE LOCAL

Drive is not in local mode

60

CANNOT AUTOTUNE

cannot autotune the field current controller

61

ILL START COND.

illegal start condition for field autotuning

11202

-- ---- BACKUPSTOREMODE:

Status of this mode. This is used to give commands
to parameter handling function in the drive

0

NONE

1

SAVE MOT1 SET

Save motor set 1

2

SAVE MOT2 SET

Save motor set 2

3

FACTORY SET VAL.

Load factory values

4

SELECT MOT1 SET

Load motor set 1

5

SELECT MOT2 SET

Load motor set 2

3ADW000055R0401_DCS500B_Operating Instruction_e_d

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