2.1.14. Binary Output (BO) Commands (Not Acknowledged)
VLT
Re-
sponse
Com-
mand
Re-
gion
NPA Ob-
ject no.
Attribute
No.
Attribute Mes-
sage Type
Error
Code
Comments
NAK
1
4
0-10
6
In-
te-
ger
Read Bi-
nary Out-
put
11
1)
Read Interstage on
delay attribute asso-
ciated with each in-
dividual point. (JCI
use only)
NAK
1
4
0-10
7
In-
te-
ger
Read Bi-
nary Out-
put
11
1)
Read Interstage off
delay attribute asso-
ciated with each in-
dividual point. (JCI
use only)
NAK
2
4
0-10
2
Byte Write Bi-
nary Out-
put
11
1)
Object Status not
writeable
NAK
2
4
0-10
6
In-
te-
ger
Write Bi-
nary Out-
put
11
1)
Write Interstage on
delay attribute asso-
ciated with each in-
dividual point. (JCI
use only)
NAK
2
4
0-10
7
In-
te-
ger
Write Bi-
nary Out-
put
11
1)
Write Interstage off
delay attribute asso-
ciated with each in-
dividual point. (JCI
use only)
1)
Error code 11 is used because attributes are considered as fields/records in the point map
database.
Table 2.8: No Subcommand coloumn in this table.
2.1.15. Internal Integers (ADI) Commands (Acknowledged)
VLT
Response
Command Subcom-
mand
Region NPA Object
no.
Attribute
No.
Attribute Message Type
Comments
ACK
1
-
6
0-254
1
Inte-
ger
Read Internal
Parameter of
object type in-
teger (16 bit)
Read Object Status
associated with each
individual point
ACK
1
-
6
0-254
2
Inte-
ger
Read Internal
Parameter of
object type in-
teger (16bit)
Read Current Value
attribute associated
with each individual
point
ACK
2
-
6
0-254
-
Inte-
ger
Write Internal
Parameter of
object type in-
teger (16bit)
Write to Current Value
attribute associated
with each individual
point
ACK
7
2
6
0-254
-
Inte-
ger
Override In-
ternal Param-
eter of object
type Integer
(16 bit)
Write to internal pa-
rameter current value
(set-up parameters
for VLT)
ACK
7
3
6
0-254
-
-
Override Re-
lease
Set the current value,
the value that it was
before the 1. Override
Command was issued
Table 2.9: No Error Code coloumn in this table.
2. Instructions
VLT
®
HVAC Drive Metasys N2
16
MG.11.G1.02 - VLT
®
is a registered Danfoss trademark
2
