Siemens CPU 948 Programming Manual page 462

Applications
FB 204: Receiving a data field
(1)
Parameter
name
TCPU Transmitting CPU
ERWA Error/warning
RCAP Receiving capacity
TNDB Type (H byte) and number (L byte) of the
destination data block
STAA Address of the first received data word
(start address)
ENDA Address of the last received data word
(end address)
10 - 58
FB 204
RECEIVE
TCPU
Significance
ERWA (2)
RCAP (3)
TNDB (4)
STAA (5)
ENDA (6)
Parameter Data
type type
I BY
Q BY
Q BY
Q W
Q W
Q W
Continued on the next page
CPU 948 Programming Guide
Parameter
field
FY 246
FY 248
FY 249
FW 250
FW 252
FW 254
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