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Kübler Group
5 Commissioning and Operation
HB J1939 - M3668/M3688, M3668R, M5868 - R67047.0002 - 02
EN - 23
All mentioned CAN frames must be sent and received as extended frames (29-bit identifier).
There must be a dwell of at least 50 ms between the sending of the frames.
A CMDT connection must be set up first, with the parameters coded in the sent packet. The re-
questing control device of the customer has generally address 0x01. The sensor has address
0x20.
• Control byte: 0x10
• Message size: 0x15
• Total number of packets: 3
• Maximum number of packets: 0xFF
• PG number: 0xEF00
• Source address: 0x01
• Destination address: 0x20
For this purpose, the following RTS packet must be sent to the sensor and the CTS answer
from the sensor must be waited for:
Byte
0
Byte
1
Byte
2
Byte
3
Byte
4
Byte
5
Byte
6
Byte
7
Send RTS request on CAN ID:
0x18EC2001
10
15
00
03
FF
00
EF
00
Receive CTS answer on CAN ID:
0x18EC0120
11
03
01
FF
FF
00
EF
00
In the nest step, the control device sends the configuration data in three CAN frames to the
sensor.
The byte 0 of the frames always contains the sequence number in the data transmission.
The bytes 1-7 consecutively contain the raw data, in this example the following data:
02 01 06 05 04 03 0A 09 08 07 0E 0D 0C 0B 0F 13 12 11 10 14 15
There must be a dwell of at least 50 ms between the sending of the frames.
Byte
0
Byte
1
Byte
2
Byte
3
Byte
4
Byte
5
Byte
6
Byte
7
Send TP, sequence number:
1, CAN-ID: 0x18EB2001
01
02
01
06
05
04
03
0A
Byte
0
Byte
1
Byte
2
Byte
3
Byte
4
Byte
5
Byte
6
Byte
7
Send TP, sequence number:
2, CAN-ID: 0x18EB2001
02
09
08
07
0E
0D
0C
0B