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5 85201A_RK5C_User Manual_02-2017_ENG
3. LSS SERVICES
LSS services and protocols are used to inquire or to change the settings of three parameters of the CANopen device:
- Node-ID of the CANopen device
- Bit timing parameters of the physical layer (bit rate)
- LSS address compliant to the identity object (1018h)
3.1 LSS SWITCH STATE SERVICES
LSS switch state global
By means of this service, the LSS master device switches all LSS slave devices in the network into LSS waiting state
or LSS configuration state.
The LSS master sends this message to switch the LSS slave(s) into configuration state:
COB-ID Rx/Tx DLC Data
7E5h Rx 8
D0 D1 D2 D3 D4 D5 D6 D7
04h 01h 00h 00h 00h 00h 00h 00h
Figure 9 - LSS switch state global - configuration state - message
The LSS master sends this message to switch back the LSS slave(s) to waiting state:
COB-ID Rx/Tx DLC Data
7E5h Rx 8
D0 D1 D2 D3 D4 D5 D6 D7
04h 00h 00h 00h 00h 00h 00h 00h
Figure 10 - LSS switch state global - waiting state - message
LSS switch state selective
By means of this service, the LSS master device switches the LSS slave device, whose LSS address equals the LSS
address specified by the messages, into LSS configuration state.
The transmitted LSS address shall be equal to the identity object (object 1018h) of the related LSS slave.
The LSS address for the GEFRAN RK5C CANopen device is specified in the following table.
Address Field Value
LSS Address
Vendor-ID 00000093h
Product code 43354B52h
Revision Number Actual RK5C r.n.*
Serial Number Actual RK5C s.n. (printed on the label)**
Figure 11 - RK5C LSS Address
* Actual Revision number can vary.
The user can inquire the Revision number with LSS Inquire Revision Number command (see LSS Inquire Services).
** Actual Serial number is device specific.
It is printed on the label attached to the GEFRAN RK5C transducer case, or it can be inquired with the LSS Inquire Serial
Number command (see LSS Inquire Services).