7-4
User Manual CM-CAN1
7  Examples
Action ID Data Comments
System logon 1545 None
The CDA transmits this identifier in a 
100 ms cycle until the master has 
addressed an identifier of the CDA. 
Start system For all CDAs: 
221
01
The master sends “System Start”.
With this command the control com-
mands stored in the control word of 
the CDA are activated.
From this point on the preset 
timeout 574-CAWDG is monitored.
If this time is exceeded an error is 
generated. 
Send control 
identifier
For CDA 0: 661
For CDA 1: 663
etc.
00 00 00 00 00 
00 00
The master transmits the control 
identifier to the CDA.
Cyclical transmission of the control 
identifiers with watchdog monitor-
ing.
Send control 
identifier
For CDA 0: 661
For CDA 1: 663
etc.
00 00 00 00 0A 
00 00
Example:
CDA 1 is to dwell in the “ready for 
start” state. Reference value 10 rpm 
clockwise applied.
Status message For CDA 0: 881
For CDA 1: 883
etc.
40 02 00 00 00 
00 00
Example:
CDA 1 signals “ready for start” 
state.
Send control 
identifier
For CDA 0: 661
For CDA 1: 663
etc.
06 00 00 00 0A 
00 00
Example:
CDA 1 is to switch from “ready for 
start” to “on” state. Reference value 
10 rpm clockwise applied.
Status message For CDA 0: 881
For CDA 1: 883
etc.
31 02 00 00 00 
00 00
Example:
CDA 1 signals “on” state.
Send control 
identifier
For CDA 0: 661
For CDA 1: 663
etc.
0F 00 00 00 0A 
00 00
Example:
CDA 1 is to switch from “on” to 
“operation enabled” state. Refer-
ence value 10 rpm clockwise 
applied.
Status message For CDA 0: 881
For CDA 1: 883
etc.
37 02 00 00 0A 
00 00
Example:
CDA 1 rotates clockwise at 10 rpm
and signals "Operation enabled".
Table 5.15 DRIVECOM state machine, example