Danfoss VLT 6000 HVAC Manual de servicio descargar pdf (Pagina 126)

VLT

6000 HVAC

MG.60.B1.02 - VLT is a registered Danfoss trademark

126

PKE

IND

PWE

HIGH

PWE

LOW

PKE

IND

PWE

HIGH

PWE

LOW

PKE

IND

PWE

HIGH

PWE

LOW

PKE

IND

PWE

HIGH

PWE

LOW

Parameter 202 Output frequency high limit, f

MAX

is to

be changed to 100 Hz. This value must be remember

after a power failure, so it is written in EEPROM.

PKE = E0CA Hex - Write to parameter 202

Output frequency high limit, f

MAX

IND = 0000 Hex

PWE

HIGH

= 0000 Hex

PWE

LOW

= 03E8 Hex - Data value 1000, corre-

sponding to 100 Hz, see Conversion.

E0CA H 0000 H 0000 H 03E8 H

The reply from the slave to the master will be:

10CA H 0000 H 0000 H 03E8 H

Example - Choice of a data value:

kW [20] is to be selected in parameter 415 Process

units. This value must be remembered after a power

failure, so it is written in EEPROM.

PKE = E19F Hex - Write to parameter 415

Process units

IND = 0000 Hex

PWE

HIGH

= 0000 Hex

PWE

LOW

= 0014 Hex - Choose data choice kW [20]

E19F H 0000 H 0000 H 0014 H

The reply from the slave to the master will be:

119F H 0000 H 0000 H 0014 H

Example - Read a parameter value:

PKE

IND

PWE

HIGH

PWE

LOW

PKE

IND

PWE

HIGH

PWE

LOW

The value in parameter 206 Ramp-up time is required.

The master sends the following enquiry:

PKE = 10CE Hex - read parameter 206

Ramp-up time

IND = 0000 Hex

PWE

HIGH

= 0000 Hex

PWE

LOW

= 0000 Hex

10CE H 0000 H 0000 H 0000 H

If the parameter value in parameter 206 Ramp-up time

is 10 seconds, the reply from the slave to the master

will be as follows:

10CE H 0000 H 0000 H 000A H

1 2 ... 121 122 123 124 125 126 127 128 129 130 131 ... 176 177

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Danfoss VLT 6000 HVAC Manual de servicio Pagina 126

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