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RECEIVE Function (OB 204)
Block ID:
Block number
Address of the first
received data word
Address of the last
received data word
10 - 50
ID = 1:
ID = 2:
ID = 0 or 3 to 255:
Block number of the DB/DX in which the received data are stored
(and from which they are taken by the SEND function in the
transmitting CPU).
Remember that the receive data blocks must be in a random access
memory, using read-only memories (EPROM) might possibly serve a
practical purpose for transmit data blocks only.
Data word number within the DB/DX in which the first
transferred/received data word was stored.
Data word number within the DB/DX in which the last
transferred/received data word was stored.
Note
The difference between the addresses of the first and last data
word transferred is a maximum of 31, since a maximum of 32
data words can be transferred per function call.
DB data block
DX data block
illegal, causes an
error message
CPU 948 Programming Guide
C79000-G8576-C848-04
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