Danfoss FCM305 56

FCM 300 Series
MG.03.B6.2G - VLT is a registered Danfoss trademark
Status word under VLT standard
The status word is used for informing the leader
(e.g. a PC) about the condition of the follower (FCM
300).
Follower➝Leader
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Bit
no.
Bit Bit = 0 Bit = 1
00 Control not ready Ready
01 FC not ready Ready
02 Coasting Enable
03 No fault Trip
04 Reserved
05 Reserved
06 Reserved
07 No warning Warning
08 Speed ≠ ref. Speed = ref.
09 Local control Bus control
10 Out of range Frequency OK
11 Not running Running
12
13 Voltage OK Above limit
14 Torque OK Above limit
15 Timer OK Above limit
Bit 01, FC not ready/ready:
Bit 01 = "0" means that the adjustable frequency
drive has tripped.
Bit 01 = "1" means that the adjustable frequency
drive is ready.
Bit 02, Coasting/enable:
Bit 02 = "0" means that the control word bit 03 is
"0" (Coasting) or that the FCM 300 has tripped.
Bit 02 = "1" means that control word bit 03 is "1"
and that the FCM 300 has not tripped.
See the description of other bits under status word
for the Profidrive standard.
Output
frequency
Bus reference value:
Leader➝Follower
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Bit
no.
The frequency reference value is transmitted to the
adjustable frequency drive in the form of a 16-bit
word. The value is transmitted as a whole number
(0-32767). 16384 (4000 Hex) corresponds to 100%.
(Negative figures are formed by means of 2's
complement.)
The bus reference has the following format:
Parameter 203 = "0"
"ref
MIN
-ref
MAX
"
0-16384 (4000 Hex) ~ 0-100% ~ ref
MIN
- ref
MAX
Parameter203 = "1"
-ref
MAX
- +ref
MAX
-16384 (. . . Hex) - +16384 (4000 Hex) ~
-100- +100% ~ -ref
MAX
- +ref
MAX
Actual output frequency
Follower➝Leader
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Bit
no.
The value of the actual output frequency of the
adjustable frequency drive is transmitted in the form
of a 16-bit word. The value is transmitted as a
whole number (0-32767). 16384 (4000 Hex)
corresponds to 100%. (Negative figures are formed
by means of 2's complement).
Control
word
Status
word
Output
frequency
Bus
reference
Status
word
Serial communication
15-10