Serial Data Interface - Deif IMD 100 Series Integration Manual

IMD 100 Integration manual 4189360015 Rev. G

7.2 Serial data interface

The serial data interface is implemented as a virtual com port over USB. It is mainly used for a
communication with a PC running the IMD Manager for configuration or monitoring/troubleshooting
purposes. The interface allows for 16 bit or 32 bit data packages. The following figures shows the
format for both options.
Serial/USB 16 bit data package format
Sending from the PC to the drive
Char1 Char2 Char3 Char4 Char5 Char6 Char7
Reg. ID Reg. ID Data Data
Bits Bits Bits
07..04 03..00 15..12 11..08
ascii ascii ascii
Serial/USB 32 bit data package format
Sending from the PC to the drive
Char1 Char2 Char3 Char4 Char5 Char6 Char7 Char8 Char9 Char10 Char11
Reg. ID Reg. ID Data Data
Bits Bits Bits Bits
07..04 03..00 31..28 27..24
ascii ascii ascii ascii
The following example shows a 16 bit format read operation from register ID 0x30, which contains the
actual speed value:
Example of reading actual speed, 16 bit format
Sending from the PC to the drive
Char1 Char2 Char3 Char4 Char5 Char6 Char7
Reg. ID Reg. Data Data
ID
Bits Bits Bits Bits
07..04 03..00 15..12 11..08
3 D 0
Read register Actual speed value register
(0x3D)
When using the IMD Manager the serial connection is plug and play.
Follow the instructions in the IMD Manager Installation instructions to install the IMD Manager.
www.deif.com/wind-power
Data Data Sync
Bits Bits Bits "X"
07..04 03..00
ascii ascii ascii ascii
Data Data Data
Bits Bits Bits
23..20 19..16 15..12
ascii ascii ascii
Data Data Sync
Bits Bits "X"
07..04 03..00
0 3 0 X
ascii
(0x30)
Data Data Data Sync
Bits Bits Bits
12..08 07..04 03..00
ascii ascii ascii ascii
(Return value of up to ± 32767 equals to 2 bytes)
Drive response to the PC
Byte1 Byte2
Data Data
Bits Bits
07..04 07..04
binary binary
Drive response to the PC
Byte1 Byte2 Byte3
Data Data Data
"X" Bits Bits
07..04 07..04 07..04
binary binary binary
Drive response to the PC
Byte1 Byte2
Data Data
Bits Bits
07..04 07..04
Lo Hi
byte byte
Value of
register 0x30
Communication
Byte4
Data
Bits Bits
07..04
binary
Page 78 of 243