Control Word And Status Word; Under Instance 21/71 - Danfoss VLT 2800 Manual

I Control Word and Status Word

under Instance 21/71

Set parameter 904 PPO type 1 to select
Instance 21/71 [13].
The control word in Instance 21 is defined as
following:
Bit Bit = 0
00 Stop
01 Stop
02 No function
03
04
05
06
07 -
15
Bit 0, Run Fwd:
Bit 0 = "0" means that the VLT frequency
converter has a stop command.
Bit 0 = "1" leads to a start command and
the VLT frequency converter will start to run
the motor clockwise.
Bit 1, Run Rev:
Bit 0 = "0" leads to a stop of the motor.
Bit 0 = "1" leads to a start of the motor.
Bit 2, Fault Reset:
Bit 0 = "0" means that there is no reset of a trip.
Bit 0 = "1" means that a trip is reset.
Bit 5, Net Ref:
NB!:
Please note, that a change will have an
effect on parameter 502 - 506.
Bit 6, Net Crtl:
NB!:
Please note, that a change will have an effect
on parameter 214, 305, 307, 308 and 314.
Regarding the Speed reference, see section Bus
speed reference value, under Instance 20/70
and 21/71.
MG.90.B2.02 - VLT is a registered Danfoss trade mark
Bit =1
Run Fwd
Run Rev
Fault reset
Net Ctrl
Net Ref
®
VLT 2800 / FCD 300 DeviceNet
The status word in Instance 71 is defined as following:
Bit Bit = 0
00
01
02
03
04
05
06
07
08 - State Attribute
15
Bit 0,Fault:
Bit 0 = "0" means that there is no fault on
the VLT frequency converter.
Bit 0 = "1" means that there is a fault on the
VLT frequency converter.
Bit 1, Warning:
Bit 0 = "0" means that there is no unusual situation.
Bit 0 = "1" means that an abnormal condition
has arisen .
Bit 2, Running 1:
Bit 2 = "0" means that the drive is not in one of
these states or that Run 1 is not set.
Bit 2 = "1" means that the drive state attribute is
enabled or stopping , or that Fault-Stop and bit 0
(Run 1) of the CTW is set at the same time.
Bit 3, Running 2:
Bit 3 = "0" means means, that the drive is not in
one of these states or that Run 2 is not set.
Bit 3 = "1" means that the drive state attribute is
enabled or stopping , or that fault-stop and bit 0
(Run 2) of the CTW is set at the same time.
Bit 4, Ready:
Bit 4 = "0" means that the state attribute
is in another state.
Bit 4 = "1" means that the state attribute is
ready or enabled or stopping.
Bit =1
Trip
Warning
Running 1 Fwd
Running 2 Rev.
Ready
Crtl from Net
Ref from Net
At reference
17