FCM 300 Series
81
MG.03.B6.02 - VLT is a registered Danfoss trademark
Bit 13, Voltage OK/above limit:
Bit 13 = "0" means that the voltage limits of the FC
motor have not been exceeded. Bit 13 = "1" means
that the DC voltage of the FC motor intermediate
circuit is too low or too high.
Bit 14, Torque OK/above limit:
Bit 14 = "0" means that the motor current is lower
than the torque limit selected in parameter 221. Bit
14 = "1" means that the torque limit in parameter
221 has been exceeded.
Bit 15, Timers OK/above limit:
Bit 15 = "0" means that the timers for motor thermal
protection and VLT thermal protection, respectively,
have not exceeded 100%. Bit 15 = "1" means that
one of the timers has exceeded 100%.
Control word under VLT standard (parameter 512 =
FC Drive)
The control word is used for sending commands from
a master (e.g. a PC) to a slave (FC motor).
Master
➝
Slave
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Bit no.
Bit
Bit = 0
Bit = 1
00
Preset reference choice
01
No function
02
DC brake
Ramp
03
Coasting
Enable
04
Quick-stop
Ramp
05
Hold
Ramp enable
06
Ramp stop
Start
07
No function
Reset
08
No function
Jog
09
No function
10
Data not valid
Valid
11
No function
Output
activated
12
No function
13
Choice of Setup
15
No function
Reversing
Bit 00:
Bit 00 is used for choosing between the two pre-
programmed references (parameters 215-216) in
accordance with the following table:
Preset ref.
Parameter
Bit 00
1
215
0
2
216
1
Bus
reference
Control
word
NB!
Parameter 508 is where to choose the way
bits 1/12 are to be combined (gated) with the
corresponding function on the digital inputs.
Bit 02, DC brake:
Bit 02 = "0" leads to DC braking and stop. Braking
current and duration are set in parameters 132 and
133. Bit 02 = "1" leads to
ramp
.
Bit 08, Activation of Jog speed in parameter 213:
Bit 08 = "0": Jog speed not activated. Bit 08 = "1"
means that the motor is running at Jog speed.
Bit 11, Output
Bit 11 = "0": Output not activated. Bit 11 = 1:
Output activated, provided
Off
123
has been chosen
in parameter 340.
See the description of other bits under control word
for Profidrive standard, page 78.
NB!
Unless otherwise mentioned, the control
word bit is combined (gated) with the
corresponding function on the digital inputs as a
logic "or" function.
Serial communication
