Danfoss VLT FC 100 Series User Manual

4.5.3. Bus Reference Value under Instances 100/150 and 101/151
The frequency reference value is transmitted
to the frequency converter in the form of a 16-
bit word. The value is transmitted as a whole
number (-32767 to 32767). Negative figures
are formatted by means of 2’s complement.
Master slave→ 16 bit
CTW Speed ref. RPM
The bus reference has the following format:
100% = 4000 Hex
Par. 3-00 = "0" ["ref
MIN
-> ref
MAX
"] 0 -> 16384 (4000 Hex) ~ 0 -> 100%
Par. 3-00 = "1" [- ref
MAX
-> + ref
MAX
] -16384 (C000 Hex) -> +16384 (4000 Hex) ~ -100% ->
+100%
4.5.4. Actual Output Frequency under Instances 100/150 and
101/151
The value of the actual output frequency of
the frequency converter is transmitted in the
form of a 16-bit word. The value is transmitted
as a whole number (-32767 -> 32767) Nega-
tive figures are formed by means of 2’s com-
plement.
Slave master→ 16 bit
STW Actual ref. RPM
The actual output frequency has the following format:
-32767 ->+32767.
-16384 (C000 Hex) corresponds to -100%, and 16384 (4000 Hex) corresponds to 100%.
FC 100/ 200/ 300 DeviceNet 4. How to Control the Frequency Converter
MG.33.D3.02 - VLT
®
is a registered Danfoss trademark 37
4

Danfoss VLT FC 100 Series Specifications

General

Brand	Danfoss
Model	VLT FC 100 Series
Category	DC Drives
Language	English