DCS 500 Local & discon, nected, Ext.Overvolt.Fault, There was an overvoltage condition in the

Models: 500

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Local & discon-

Chapter 4 - Signals and Troubleshooting

 

Code

 

 

Text on

 

 

Definition /

 

Status

 

 

Remark

 

seven

 

 

LCD of control panel

 

 

Action

 

signal

 

 

 

 

segm.

 

 

 

 

 

CDP 31x

 

 

 

 

(FAULT_WORD_1/2)

 

 

 

 

display

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F 20

Local & discon-

 

 

No communication between CDP 31x/CMT

11102

bit 11

(1)

 

 

 

 

nected

 

 

and DCS 500B / DCF 500B or DCP 500B in lo-

 

 

 

 

 

Self re-

 

 

 

 

 

 

 

cal control mode (LOCAL)

 

 

 

 

 

setting

 

 

 

 

 

 

 

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?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F 21

 

 

Ext.Overvolt.Fault

 

 

Overvoltage protection DCF 506 has acted

11103

bit 12

(1)

 

 

 

 

 

 

 

There was an overvoltage condition in the

 

 

 

 

 

 

 

 

 

 

 

 

 

DC circuit of the field supply, which had been

 

 

 

 

 

S21.232

 

 

 

 

 

 

 

limited by the activation of a free wheeling

 

 

 

 

 

 

 

 

 

 

 

 

circuit.

 

 

 

 

 

and

 

 

 

 

 

 

 

 

 

 

 

 

higher

 

 

 

 

 

 

 

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)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F 23

 

 

Motor stalled

 

 

Motor stalled

11102

bit 14

(3)

 

 

 

 

 

 

 

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].

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F 27

Motor 2 overload

 

 

Overload of MOTOR 2 (Thermal model 2).

11101

bit 9

(2)

 

 

 

 

 

 

 

{see Fault Code F 7}

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IV A 4 - 6

DCS 500B / DCP 500B Operating Instructions

3ADW000055R0401_DCS500B_Operating Instruction_e_d

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DCS 500 Local & discon, nected, Ext.Overvolt.Fault, There was an overvoltage condition in the, circuit, example?, IV A 4