Components and Operation
English, Revision 05, Date: 28.11.2016
24
4.2.3.3.2
CAN Message Object 1 (Transmission Object)
4.2.3.3.3
CAN Message Object 2 (Transmission Object)
4.2.3.3.4
CAN Message Object 4 (Reception Object)
It is possible to send commands to the antenna via Message Object 4. It has the same
ID as Message Object 1 and a length of 6 bytes.
Byte #
Length
Type
Description
1,2
2 Byte
unsigned int
System status information according to
Table 7 on page 19
3,4,5,6
4 Byte
unsigned long
20 Bit Transponder code (R/W Trans-
ponder)
7,8
2 Byte
signed int
Deviation Y [mm]
Table 9
Structure of the CAN Message Object 1
Byte #
Length
Type
Description
1,2
2 Byte
unsigned int
Voltage within the sum antenna gener-
ated by the Transponder
3,4
2 Byte
signed int
Voltage within the difference antenna
generated by the Transponder
5
1 Byte
unsigned char
Number of code readings during the
last valid Transponder crossing
6
1 Byte
unsigned char
Operating voltage (refer to Telegram
description in Table 6 on page 18)
7
1 Byte
unsigned char
Operating current (refer to Telegram
description in Table 6 on page 18)
8
1 Byte
signed char
Operating temperature (refer to Tele-
gram description in Table 6 on page
18)
Table 10
Structure of the CAN Message Object 2
Byte #
Length
Type
Description
1,2
2 Byte
Unsigned int
Command (see Table 12 below)
3,4,5,6
4 Byte
Unsigned long
Parameter (see Table 12 below)
Table 11
Structure of the CAN Message Object 4
