Danfoss FCM305 56 Instruction Manual page 104

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).
Status
Follower Leader
word
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Bit
no.
Bit Bit = 0
00 Control not ready
01 FC not ready
02 Coasting
03 No fault
04 Reserved
05 Reserved
06 Reserved
07 No warning
Speed ≠ ref.
08
09 Local control
10 Out of range
11 Not running
12
13 Voltage OK
14 Torque OK
15 Timer OK
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.
15-10
Output
frequency
Bit = 1
Ready
Ready
Enable
Trip
Warning
Speed = ref.
Bus control
Frequency OK
Running
Above limit
Above limit
Above limit
FCM 300 Series
Bus reference value:
Control
Bus
word reference
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 -ref
MIN
0-16384 (4000 Hex) ~ 0-100% ~ ref
Parameter203 = "1"
-ref
MAX
-16384 (. . . Hex) - +16384 (4000 Hex) ~
-100- +100% ~ -ref - +ref
MAX
Actual output frequency
Status Output
word
frequency
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).
MG.03.B6.2G - VLT is a registered Danfoss trademark
Leader Follower
"
MAX
- ref
MIN MAX
- +ref
MAX
MAX
Follower Leader