Table of Contents
Advertisement
Network
Reference 3
Drive
Network variable nviRefHz is an unsigned
Control
value. It represents the output frequency of
Input
the drive in Hz in open loop. It is rarely used in
(continued)
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
Bit
Setting
00
0
01
0
02
1
03
0
04
1
05
1
06
0
07
0
08
0
09
0
10
1
11
0
12
0
13
0
14
0
15
0
Control Word Bit Descriptions
VLT 5000 parameters are shown in parenthesis, where applicable.
MG.60.N2.02 - VLT is a registered Danfoss trademark
0
1
Preset Ref. LSB
Preset Ref. MSB
DC Brake
no DC Brake
Coast Stop
no Coast Stop
Quick Stop
no Quick Stop
Freeze Freq.
no Freeze Freq.
Ramp Stop
Start
no Reset
Reset
no Jog
Jog
no function
see Parm. 805
Relay 1 OFF
Relay 1 ON
Relay 2 OFF
Relay 2 ON
Setup LSB
Setup MSB
no Reversing
Reversing
for Coast Stop
VLT
®
5000 / VLT
®
6000 HVAC / VLT
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.
Bit
Value
00
32768
01
16384
02
8192
03
4096
04
2048
05
1024
Freeze out freq.
06
512
07
256
08
128
09
64
10
32
11
16
12
8
13
4
14
2
15
1
Profidrive Control Word Bit
Descriptions
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.
nviStartStop
Bit
0
1
00
0
0
01
0
0
02
1
1
03
1
1
04
1
1
05
1
1
06
0
1
07
0
0
08
0
0
09
0
0
10
1
1
11
0
0
12
0
0
13
0
0
14
0
0
15
0
0
Start/Stop and Fault Reset Control Word
Bit Descriptions
Drive always stops and ignores
serial bus commands to run when
OFF/STOP or STOP/RESET
function is activated from drive
keypad.
®
8000 AQUA
0
OFF 1
ON 1
OFF 2
ON 2
OFF 3
ON 3
Motor coasting
Enable
Quick stop
Ramp
Ramp Enable
Ramp stop
Start
No function
Reset
Jog 1 OFF
ON
Jog 2 OFF
ON
Data not valid
Valid
No function
Slow down
No function
Catch up
Setup 1 (LSB)
Setup 2 (MSB)
No function
Reversing
nviResetFault
0
1
Description
0
Preset Ref LSB
0
Preset Ref MSB
1
No DC Brake
1
No Coast Stop
1
No Quick Stop
1
No Freeze Freq.
0
Start
1
Reset
0
Jog
0
No function
1
Bit 10
0
Relay 1 On
0
Relay 2 On
0
Setup LSB
0
Setup MSB
0
Reversing
NOTE
1
27
Advertisement
Table of Contents
