Danfoss VLT 8000 AQUA Instructions d'exploitation télécharger pdf (Page 28)

MG.60.N2.02 - VLT is a registered Danfoss trademark

VLT

5000 / VLT

6000 HVAC / VLT

8000 AQUA

Bit 1

00 ON 1

01 ON 2

02 ON 3

03 Enable

04 Ramp

05 Ramp Enable

06 Start

07 Reset

08 ON

09 ON

10 Valid

11 Slow down

12 Catch up

15 Reversing

Bit Setting 0 1

00 0 Preset Ref. LSB

01 0 Preset Ref. MSB

02 1 DC Brake no DC Brake

03 0 Coast Stop no Coast Stop

04 1 Quick Stop no Quick Stop

05 1 Freeze Freq. no Freeze Freq. nviStartStop nviResetFault

06 0 Ramp Stop Start Bit 0 1 0 1 Description

07 0 no Reset Reset 00 0 0 0 Preset Ref LSB

08 0 no Jog Jog 01 0 0 0 Preset Ref MSB

09 0 no function 02 1 1 1 No DC Brake

10 1 see Parm. 805 03 1 1 1 No Coast Stop

11 0 Relay 1 OFF Relay 1 ON 04 1 1 1 No Quick Stop

12 0 Relay 2 OFF Relay 2 ON 05 1 1 1 No Freeze Freq.

13 0 Setup LSB 06 0 1 0 Start

14 0 Setup MSB 07 0 0 1 Reset

15 0 no Reversing Reversing 08 0 0 0 Jog

0900 0 No function

1011 1 Bit 10

11 0 0 0 Relay 1 On

12 0 0 0 Relay 2 On

13 0 0 0 Setup LSB

1400 0 Setup MSB

15 0 0 0 Reversing

No value is written to the control word

OFF 3

OFF 2

OFF 1

Ram

sto

Freeze out freq.

Quick stop

Motor coastin

No function

Setu

(

LSB

)

Setup 2 (MSB)

No function

Jog 1 OFF

2 OFF

Data not valid

No function

256

128

32768

Value

16384

8192

4096

2048

1024

512

No function

Control Word Bit Descriptions

for Coast Stop

Network

Drive

Control

Input

(continued)

Reference 3

Network variable nviRefHz is an unsigned

value. It represents the output frequency of

the drive in Hz in open loop. It is rarely used in

closed loop mode.

Range: 0 - 6553.5.

Control Word

The input network variable nviControlWord

is a 16-bit word that provides additional

operational control of the drive, as listed in

the table below. The settings shown represent

the

Coast Stop

command

NOTE

Drive always stops and ignores

serial bus commands to run when

OFF/STOP or STOP/RESET

function is activated from drive

keypad.

Start/Stop and Fault Reset Control Word

Bit Descriptions

VLT 5000 parameters are shown in parenthesis, where applicable.

The VLT 5000 allows the choice between two

control word profiles, selected in parameter 512,

Telegram Profile

. The table below defines the

Profidrive control word used for transmitting

commands to the drive using the Profibus

protocol.

The equivalent control word bit settings to start

and stop the drive (nviStartStop) and to reset

after a fault (nviResetFault) are described in

the table below.

Profidrive Control Word Bit

Descriptions

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 43 44

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Danfoss VLT 8000 AQUA Instructions d'exploitation Page 28

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