ADS Services
Note The user data of an ADS Telegram is maximum 1900 byte. |
Process data port 300
The fieldbus data is accessed via ADS port number 300. The data is monitored by a watchdog. If no further telegram arrives within 1000 ms the outputs will be switched to the safe state.
Index group | Meaning | Index offset (value range) |
|---|---|---|
0xF020 | Inputs | 0...511 |
0xF030 | Outputs | 0...511 |
Local process image port 800 (BC9000 only)
Data can be read from and written to the local process image. If it is necessary for outputs to be written, it is important to ensure that they are not used by the local PLC, because the local controller will overwrite these values. The data is not associated with a watchdog, and therefore must not be used for outputs that would have to be switched off in the event of a fault.
Index group | Meaning | Index offset (value range) |
|---|---|---|
0xF020 | Inputs | 0...511 |
0xF030 | Outputs | 0...511 |
0x4020 | Flags (BC 9000 only) | 0...4096 |
ADS services
Data type (read only) | Meaning |
|---|---|
String | Start - the local PLC is running |
Data type (read only) | Meaning |
|---|---|
INT | 0 – Start - the local PLC is running |
Data type (read only) | Meaning |
|---|---|
String | Coupler_PLC |
Data type (write only) | Meaning |
|---|---|
NetID | Net ID of the BC9000, C900 |
Port | 800 |
ADSSTATE | 5 - RUN / 6 - STOP |
DEVSTATE | 0 |
LEN | 0 |
SRCADDR | 0 |
WRITE | positive edge starts the block |
TMOUT | for example: t#1000ms |
Note Note for the acyclic data communication, that the establishment of a TCP/IP connection takes app. 20 - 30 milliseconds. After successful establishment of the connection, the ADS data is to be read or written. An ADS read of about 1000 Byte takes app. 50 ms. If no data is transferred for 10 seconds, the TCP/IP connection is cut by the BC/BK9000, B/C900. |
Register port 100
The ADS port number in the BK/BC9000 for register communication is fixed, being set at 100.
Index group | Index offset (value range) | Meaning | |
|---|---|---|---|
Hi-Word | Low Word | ||
0 | 0...127 | 0...255 | Registers in the Bus Coupler |
1...64 | 0...3 | 1...64 | Register of the Bus Terminal |
Note Note when reading the register that the time out for the ADS block is set to a time longer than 1 second. |
Note Note when writing to the registers that the password is set (see the documentation for the particular Bus Terminal). |
Access control and association between IP and AMS-Net-IDB6
The AMS Net-Id table permits access control to the BC 9000 via AMS. As soon as this table has entries, only those AMS devices that have been entered will be able to access the BC 9000. An explicit association of the AMS-Net-ID and the IP address of the node is also made here.
The AMS Net-Id table can be filled with ADS write commands:
A maximum of 10 entries is possible.
AMS Net ID | Size |
|---|---|
AMS Net ID | 6 bytes |
IP address | 4 bytes |
Reserve | 2 bytes |
Reserve | 4 bytes |
Reserve | 4 bytes |
Access takes place via port number: 10.000
Index group: 700
Index Offset (write) | Comment | Data |
|---|---|---|
0 | Add an entry | Data structure, 20 bytes |
1 | Delete an entry | - |
2 | Delete all entries | - |
10 | Save the table in Flash memory | - |
Index Offset (read) | Comment | Data |
|---|---|---|
0 | Number of entries | 2 bytes |
1...10 | Entry n (1...10) | Data structure, 20 bytes |
Note The first entry must be that for the device that his writing into the table, because the settings have immediate effect. Make sure that all the settings are correct. The table can also be deleted if the end terminal only is inserted, and the DIP switches 1 to 7 are set to ON. |
)B6: as from firmware B6
)B7: as from firmware B7
)BA : as from firmware BA
See the example