Chapter 4 - Signals and Troubleshooting
IV F
4 - 14
DCS 600
Operating Instructions
Code
seven
segm.
display
Text on
LCD of control panel
CDP 312
(or DRIVES WINDOW)
Definition /
Possible source
Signal
number
(ALARM_WORD_1/2)
Remark
A 127
27 EXT FAN
Alarm: No Acknowledge from External FAN
(of Motor)
Check: - Contactor circuit/supply for fan of
motor;
- Status of binary inputs/outputs
(DI2/DO1) on SDCS-IOB-2/
SDCS-CON-2 boards;
- Parameter setting
[P 15.07]
.
9.04 bit 15
A 129
29 TYPE CODE
Alarm: Type Code (Hardware Code of Thyris-
tor Power Converter) changed
Unit type code stored in memory differs from
the hardware coding.
Check: - New control board SDCS-
CON-2 installed?
- Control board SDCS-CON-2 /
SDCS-PIN-xx board inter-
changed?
Action: - Save values in non-volatile
memory using parameter DRIVE-
MODE
[P 15.02
] = 22.
9.05
bit 1
A 132
32 AUX UVOLT
Auxiliary voltage alarm
The auxiliary voltage (230 V) is too low while
the drive is not in operation.
For more details see Fault Code
F 1.
9.05
bit 2
A 133
33 OVERVOLT
Overvoltage protection active
Converter blocked
(via DI2 in field exciter
mode)
9.05
bit 3
Alarm Signals referring to the SDCS-AMC-DC board
Code
seven
segm.
display
Text on
LCD of control panel
CDP 312
(or DRIVES WINDOW)
Definition /
Possible source
Signal
number
(ALARM_WORD_1/2)
Remark
**)
CH0 COMMUN
Alarm: Communication fault with fieldbus,
APC
or
fieldbus adapters
If this signal has to be effective also as
a fault signal, the mode of functioning
can be changed by setting the parameter
CH0_COM_LOSS_CTRL [P 70.05]
.
Check: - Optical fibre cable connections;
- APC, PLC and adapters ready
for operation?
9.05 bit 11