FPΣ User's Manual 
 
4.3 FPΣ Memory Expansion Unit 
51 
4.3.2.1 F150_READ instruction 
 
 
Variable  Data type  Function 
s1_BankSlot  INT, WORD 
 
1
 Upper byte = bank number: 16#00–16#FF 
2
 Lower byte = slot number: 16#00–16#1F 
s2_Start  INT, WORD 
Starting address in specified bank (source address). Range: 0-1023 (16#0–
16#3FF). 
n_Number 
INT  Number of words to be read. Range: 1–1024 (16#1–16#400). 
d_Start 
INT, WORD  Starting address in CPU (target address) 
 
EXAMPLE
 
POU Header 
 
LD Body
 
 
When Start turns to TRUE, 10 words are read from bank number 16#50 of the memory 
expansion unit located in slot 3, beginning at the address 500, and stored in the array 
DestAddrCPU.