2017-04
54
Absolute Rotary Encoder
Programmable Parameters
9.5.45 Object 3030h: Backward Compatible Mode
This object contains the acceleration control. Acceleration output is not supported by this
device. This object is present only for compatibility reasons.
MCD Mode
In the MCD mode new objects implemented in UCD can’t be accessed and will be responded
withabort code "object does not exist".
Signature = "BCM" (high >> low byte)
Singature +"0": UCD mode with all features accessible
Singature +"1": MCD mode with old features available.
Example: BCD + "1" >> 0x42434D01 , MCD mode is active
Example for accessing object 3030h
Setting Security Code (Value “MBYT” -> 4D425954h)
Te l e g ra m ma ste r t o E n c o de r
Setting MCD Mode (Value “ BCM”+1 -> 42434D01h)
Te l e g ra m ma ste r t o E n c o de r
Subindex Description Data Type Default Value Access
Restore after
Boot up
0h Number of subindices Unsigned 8 2h ro
1h Security Code Unsigned 32 0h rw yes
2h MCD Mode Unsigned 32 0h rw yes
Ta b l e 9 . 5 8
Note!
Security Code
A specific signature has to be written first to this subindex to access 2nd subindex MCD Mode.
■
Sequence is used to prevent misusage by unintended access.
■
Signature = "MBYT" (high >> low byte)
Identifier DLC Command Index Subindex Service/Process data
NN =1h
Download 3030h Byte 4 Byte 5 Byte 6 Byte 7
600h + NN
= 601h
8h 22h 30h 30h 01h 54h 59h 42h 4Dh
Ta b l e 9 . 5 9
Identifier DLC Command Index Subindex Service/Process data
NN =1h
Download 3030h Byte 4 Byte 5 Byte 6 Byte 7
600h + NN
= 601h
8h 22h 30h 30h 02h 01h 4Dh 43h 42h
Ta b l e 9 . 6 0