Danfoss MCO 305 Design Manual page 172

MCO 305 Design Guide
VLTCONTROL
Summary
Syntax
Parameter
Description
Command Group
Cross Index
Syntax Example
VLTERRCLR
Summary
Syntax
Description
Command Group
Cross Index
Syntax Example
172
__ Software Reference __
Sets the VLT control word in MOTOR OFF state
VLTCONTROL control word value
value
VLTCONTROL allows setting the VLT control word while the system is in MOTOR OFF
state. This command can be used to set the control word to every value. The user
is responsible for the correct values (specially the bit DATA VALID).
The commands behave as follows. When using VLTCONTROL the first time, it will be
changed into User-Control mode. In this mode the control word is not influenced at
all. The user is responsible for the control word. As long as the system is in that
mode, OUTAN only influences reference, but not control word. It can be only
returned to normal mode by using a MOTOR ON command, or by starting a new
APOSS program.
CON
MOTOR OFF, MOTOR ON, OUTAN
MOTOR OFF
...
VLTCONTROL 0x047C // activates drive
OUTAN 0x1000
...
MOTOR ON // disables user control of control word
Clears a VLT-alarm
VLTERRCLR
The command VLTERRCLR clears a VLT-alarm without doing anything with an
existing option error. This command can be used everywhere in an Aposs program.
CON
VLTALARMSTAT
If (VLTALARMSTAT) then
Print " alarm active ", VLTALARMSTAT
VLTERRCLR
Endif
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MG.33.L4.02 – VLT is a registered Danfoss trademark