Bus Termination - Pgn 0X00B400; Memory Management - Pgn 0X00B500 - Balluff BMD 1E NJ5-Serie Konfigurationsanleitung

BMD 1E_ _-_ _ _ _/_ _ _-NJ5...
Microwave Position Sensor
5
Configuration (continued)
5.4 Bus termination – PGN 0x00B400
Configuration of the bus termination is done using the
PGN 0x00B400 (46080 ). This can apply a 120-Ω resistor
10
inside the BMD SAE J1939 for terminating the SAE J1939
network (default: bus termination off). After a change the
value is immediately applied and an ACK (see section 2.4
on page 9) is sent.
If there is a faulty configuration of the bus
termination, communication with all bus slaves
in the SAE J1939 network may not be possible.
The value is not written to non-volatile memory until after a
save command using PGN 0x00B500 (46336
section 5.5 on page 20).
Specification of the PGN 0x00B400 (46080
Length of data 8 byte
Data page 0x00 (0
PDU format 0xB4 (179
PDU Specific BA
Standard priority 0x06 (6
PGN 0x00B400 (46080
Source address MA
Data field
Byte 1 0x42 (66
Byte 2 0x4D (77
Byte 3 0x44 (68
0x00 (0
Byte 4
0x01 (1
Bytes 5...8 0xFF(255
Tab. 5-6: Structure of the PGN 0x00B400 – Configuration of the bus
termination
Example:
Setting the bus termination
CAN-ID
0x18B4'BA''MA'
1)
Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6 Byte 7 Byte 8
0x42 0x4D 0x44 0x01 0xFF
1) BA = Address of the BMD SAE J1939, MA = Address of the master
⇒ Bus termination on.
20 english
) (see
10
)
10
)
10
)
10
)
10
)
10
) – 'B'
10
) – 'M'
10
) – 'D'
10
) Bus termination off /
10
) Bus termination on
10
)
10
RX/TX DLC
TX 8
Data
0xFF 0xFF 0xFF
5.5 Memory management – PGN 0x00B500
Memory management of the BMD SAE J1939 is done
using the PGN 0x00B500 (46336
functions are possible:
– Software reset
BMD SAE J1939 is restarted. Unsaved changes may
be lost.
– Saving the configuration
Current configuration is saved in non-volatile memory.
Previous configuration is overwritten. After successful
saving an ACK (see section 2.4 on page 9) is sent.
Loading the factory configuration
–
Loads the factory default configuration into non-volatile
memory. This is not sent to the non-volatile memory
until saved. After successful loading an ACK (see
section 2.4 on page 9) is sent.
Specification of the PGN 0x00B500 (46336
Length of data 8 byte
Data page 0x00 (0
PDU format 0xB5 (179
PDU Specific BA
Standard priority 0x06 (6
PGN 0x00B500 (46336
Source address MA
Data field
Byte 1 0x42 (66
Byte 2 0x4D (77
Byte 3 0x44 (68
0x00 (0
0x01 (1
Byte 4
0x02 (2
Bytes 5-8 0xFF (255
Tab. 5-7: Structure of the PGN 0x00B500 – Memory management
Example:
Saving the configuration
CAN-ID RX/TX
0x18B5'BA''MA'
1)
Data
Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6 Byte 7 Byte 8
0x42 0x4D 0x44 0x01 0xFF
BA = Address of the BMD SAE J1939, MA = Address of the master
1)
⇒ Configuration is saved in non-volatile memory.
). The following
10
)
10
)
10
)
10
)
10
)
10
) – 'B'
10
) – 'M'
10
) – 'D'
10
) Software reset
10
) Saving the configuration
10
) Loading the factory
10
configuration
)
10
DLC
TX 8
0xFF 0xFF 0xFF