Baumer GIM500R Handbuch - Seite 18

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3.3.6.2 Layer Setting Services

In the spring of 2000, CiA drafted a new protocol intended to ensure standardized occurrence. The

procedure is described under

Layer Setting Services and Protocol, CiA Draft Standard Proposal 305 (LSS).

The sensor is supplied by us as standard with the node ID 1 and a baud rate of 50 kBaud. Several sensors

can be connected to the bus system with the same node ID. To allow individual sensors to be addressed,

LSS is used.

Each sensor is fitted with its own unique serial number and is addressed using this number. In other words,

an optional number of sensors with the same node ID can be connected to one bus system, and then

initialized via LSS. Both the node ID and also the baud rate can be reset. LSS can only be executed in the

Stopped Mode.

Message structure

COB ID:

Master  Slave

Master  Slave

After the COB ID, an LSS command specifier is transmitted.

This is followed by up to seven attached data bytes.

COB ID cs

Byte 1

Switch Mode Global

7E5h  04h

Mode

: 0  Operation mode

1  Configuration mode

Selective switch mode

The following procedure can be used to address a certain sensor in the bus system.

7E5h  40h

Vendor ID

7E5h  41h

Product code

7E5h  42h

Revision number

7E5h  43h

Serial number

7E4h  44h

Mode

Vendor ID

: ECh

Product code

: Internal product code for the respective sensor

Revision number : Current revision number of the sensor

Serial number

: Unique, consecutive serial number

Mode

: The sensor's response is the new mode (0=operating mode; 1=configuration mode)

Baumer_GIM500R_CANopen_MA_EN.docx

03.19

: 2021 = 7E5h

: 2020 = 7E4h

Byte 2

Byte 3

reserved

Byte 4

Byte 5

Byte 6

reserved

18/29

Byte 7