Data transfer within the PLC
850
Part III FP Instructions
01234
CPU
0
18
19
20
21
22
24
23
17
CPU
DestAddCPU[1]
DestAddCPU[2]
DestAddCPU[0]
DestAddCPU[3]
(Slot No.)
Power
Intelligent unit
4 words
Body
Reads 4 words of data stored in the addresses starting from 19, specified in AddrDataToRead, of
the intelligent unit's shared memory (located in slot 3). Then it stores them in the array
DestAddrCPU, when Start turns on.
LD
ST
When programming with structured text, enter the following:
IF start THEN
F150_READ( s1_BankSlot:= SlotNo,
s2_Start:= AddrDataToRead,
n_Number:= NoWordsToRead,
d_Start:= DestAddrCPU[0]);
END_IF;