Lust CM-CAN1 - Page 63

User Manual CM-CAN1
5-13
5 Control and reference input
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The state control and the reference input are selected by way of parame-
ter 492-CACNF.
CACNF Base ID
Control word Reference
Bytes 0-1 Bytes 2-3 Bytes 4-5
1 661 DRIVECOM control word
16-bit reference
frequency (Q0)
2.3 661 DRIVECOM control word 32-bit reference frequency (Q16)
4 661 EasyDrive control word 32-bit reference frequency (Q16)
Priority based on CAL = 3
Table 5.7 Control functions
Control
word:
See description of control word
Reference: Reference frequency for control
Where CACNF=1:
The data format is
Int16Q0
-> Value range: -32767 to +32768
Byte 2 = Reference Low Byte
Byte 3 = Reference High Byte
Where CACNF=2 -4:
The data format is
Int32Q16
Intel format
-> Value range: -32767,999 to +32768,999
Byte 2 = Reference Low Word Low Byte
Byte 3 = Reference Low Word High Byte
Byte 4 = Reference High Word Low Byte
Byte 5 = Reference High Word High Byte
Example:
Reference = 20.5 Hz Reference data in Hex:
Byte 2 3 4 5
Content 0 80 14 0
0.5 = 2
-1
20 = 14 H