CAN Communication
Layer Setting Services (LSS)
EPOS4 Communication Guide
3-36 CCMC | 2019-11 | rel8759
3.5.2 LSS Commands
3.5.2.1 Switch State Global
Changes state of all connected LSS Slaves to “Configuration” or back to “Waiting”. Thereby, particular LSS
commands are not permitted (Table 3-14).
Figure 3-25 LSS – Switch State Global
3.5.2.2 Switch State Selective
Changes state of one LSS Slave from “Waiting” to “Configuration”.
LSS command specifier…
• 0x40 is used to submit the Vendor ID,
• 0x41 to submit the Product Code,
• 0x42 to submit the Revision Number,
• 0x43 to submit the Serial Number («Identity object» 0x1018; EPOS4 Firmware Specification).
Then, the single addressed LSS Slave changes to configuration state and answers by sending a command
specifier 0x44 response.
Figure 3-26 LSS – Switch State Selective
cs 0x04 LSS command specifier 4 or switch state global
mode
0
1
switch to LSS state waiting
switch to LSS state configuration
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