DCS 500 User Manual

Page 58

Chapter 4 - Signals and Troubleshooting

IV A

4 - 6

DCS 500B / DCP 500B Operating Instructions

Code

seven

segm.

display

Text on

LCD of control panel

CDP 31x

Definition /

Action

Status

signal

(FAULT_WORD_1/2)

Remark

F 20

Local & discon-
nected

No communication between CDP 31x/CMT
and DCS 500B / DCF 500B or DCP 500B in lo-
cal control mode

(LOCAL)

Check: - Connection cable between

CDP 31x – DCS 500 / DCP 500

(unplug connection cable from

CDP 31x and plug in again);

- Communication board SNAT 6xx

and appropriate programm O.K.?

- Local mode terminated when

panel/PC was removed?

11102

bit 11

(1)

Self re-

setting

F 21

Ext.Overvolt.Fault

Overvoltage protection DCF 506 has acted

There was an overvoltage condition in the
DC circuit of the field supply, which had been
limited by the activation of a free wheeling
circuit.
Check: - Power wiring of the field supply

- Control logic according to wiring

example?

- Does PP_DI_OVP [1216] has been

connected to a binary input?

- Setting of OVP_SELECT [1217]

correct? (see Alarm 121)

11103

bit 12

(1)

S21.232

and

higher

Motor stalled

Motor stalled

While starting the motor the current exceeded
the value of parameter

[P 2207]

for a time

longer than parameter

[P 2208]

and the speed

feedback value was below parameter

[P 2206]

Check: - Motor stalled?

- Load changed during start?

- Correct field current?

Current/torque

limitation;

Parameter

settings

[P 22xx].

11102

bit 14

(3)

F 27

Motor 2 overload

Overload of MOTOR 2

(Thermal model

{see Fault Code

F 7

}

11101

bit 9

(2)

3ADW000055R0401_DCS500B_Operating Instruction_e_d