Programming
BC9000 and BC9100 49Version: 4.0.0
Key
Byte_Offset_Output: Specifies the offset for the digital output terminals (table 0, offset 19)
Byte_Offset_Input: Specifies the offset for the digital input terminals (table 0, offset 20)
PLC_Offset_Input: Specifies the offset for the fieldbus input data (PLC variables) (table 1, offset 0)
PLC_Len_Input: Specifies the length of the fieldbus input data (PLC variables) (table 1, offset 1)
PLC_Offset_Output: Specifies the offset for the fieldbus output data (PLC variables) (table 1, offset 2)
PLC_Len_Output: Specifies the length of the fieldbus output data (PLC variables) (table 1, offset 3)
Task_Time: Task time (table 1, offset 12)
Background_Time: Background time (table 1, offset 13)
RetainData: Number of retain data (table 1, offset 15)
PersistentData: Number of persistent data (table 1, offset 18)
Terminal_Refresh: K-bus refresh (table 1, offset 17)
Check_Terminals: Deactivate Bus Terminal verification during start-up (table 1 offset 14.6)
Return parameter iErrId Meaning
0 No error
> 0 Error number (#not documented#)
Download sample: (https://infosys.beckhoff.com/content/1033/bc9000/Resources/zip/4351405707.zip)
6.9.3 TcIpUtilitiesBC
6.9.3.1 Time protocol (SNTP)
(from firmware version BB)
The Simple Network Time Protocol is used to synchronize clocks via the internet. The BC9000 can be
synchronized with a time server.
Download library: (https://infosys.beckhoff.com/content/1033/bc9000/Resources/zip/4351407883.zip)
Fig.37: Function block FB_SNTP
FUNCTION_BLOCK FB_SNTP
From firmware version BA:
If an empty string is entered in variable sSntpServer, the BC9000 will search for a time server. If no server is
found the process is terminated. If a time server is found, the IP address can be displayed via the
cCurrSntpServer variable. A rising edge of bStart activates the function block and starts the time server
query.
From firmware version BB:
If an IP address is entered the Bus Terminal Controller uses the SNTP protocol. If an empty string is
transferred, the time protocol (UDP port 37) is used.
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