Danfoss VLT HVAC Drive Metasys N2, Руководство пользователя

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2.1.9. Analog Output Commands (Acknowledged)
VLT
Re-
sponse
Com-
man
d
Sub
com-
mand
Re-
gio
n
NPA Ob-
ject no.
Attrib-
ute No.
Attribute Mes-
sage Type
Comments
ACK 1 - 3 0-2 1 Byte Read Ana-
log Output
Read Object Config-
uration attribute as-
sociated with each
individual point
ACK 1 - 3 0-2 2 Byte Read Ana-
log Output
Read Object Status
attribute associated
with each individual
point
ACK 0 9 - - - - Status up-
date Mes-
sage
Slave device must
respond with device
manufacturing mod-
el number (Par.
621), days in service
(Par. 600) and de-
vice status
ACK 1 - 3 0-2 3 Float Read Ana-
log Output
Read Current Value
attribute associated
with each individual
point
ACK 2 - 3 0-2 1 Byte Write Ana-
log Output
Write to Object Con-
figuration attribute
associated with each
individual point
ACK 7 2 3 0-2 - Float Override
Analog Out-
put
Write to analog out-
put current value
(frequency setpoint)
ACK 7 2 3 0-2 - Float Override
Analog Out-
put
Write to analog out-
put current value
(frequency setpoint)
ACK 7 3 3 0-2 - - Override
Release
Set the current val-
ue, the value that it
was before the 1.
Override Command
was issued
ACK, no
action
7 7 3 0-2 - - Write Ana-
log Output Optional command
for slave devices.
Only used for N2 At-
tributes commis-
sioning purposes.
Not to be implemen-
ted at this time
ACK, no
action
7 8 3 0-2 - - Read Ana-
log Output
Attributes
Optional command
for no action slave
devices. Only used
for N2 commission-
ing purposes. Not to
be implemented at
this time
Table 2.4: No Error Code coloumn in this table.
VLT ® HVAC Drive Metasys N2 2. Instructions
MG.11.G1.02 - VLT ® is a registered Danfoss trademark
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