Configuration
4.10 Data points
SIMATIC CC7
104 Operating Instructions, 10/2019, C79000-G8976-C503-02
● Operand area
The following operand areas of the CPU are available for S7:
– I - Input
– M - Memory
– Q - Output
– DB - Data block
The following areas (tables) of the station memory area are available for selection with
Modbus/TCP:
– Discretes Input
– Coil
– Input Register
– Holding Register
●
DB number
Number of the S7 CPU DB
Make sure that the number matches the actually configured number of the data block.
●
Offset / Address
Address of the operand depending on the data area
Enter the value as a decimal number:
– Address (input, memory, output, DB)
Information for Bool operands in <Byte.bit>. E.g.: 0.6
Information for operands ≥ byte in <bytes>. E.g.: 3
– Offset of the operand for the start address of the operand area (coil, tab)
Information in <bytes>. E.g.: 12
●
Length
Number of characters for the "String" data type (1 .. 254)
●
Access
The option specifies access of the communication partners to the gateway data.
–
Read
Only read access is permitted.
–
Read/write
Read and write access is permitted.
–
Write
Write access is permitted.
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