Addition (Fun11) - FATEK FBS Series Manual

Basic Function Instruction
FUN 11 D P
（＋）
(Performs addition of the data specified at Sa and Sb and stores the result in D)
Symbol
WX
Range
WX0
Ope-
∣
rand
WX240
Sa
○
Sb
○
D
Description
● Performs the addition of the data specified at Sa and Sb and writes the results to a specified register D
when the add control input "EN" =1 or "EN↑" (
0 then set FO0 to 1. If carry occurs (the result exceeds 32767 or 2147483647) then set FO1 to 1. If borrow
occurs (adding negative numbers resulting in a sum less than -32768 or -2147483648), then set the FO2 to
1. All the FO statuses are retained until this instruction is executed again and overwritten by a new result.
Example
16-bit addition
Ladder Diagram
11P.(+)
X0
EN Sa :
Sb :
D :
U/S
WY WM WS TMR CTR
WY0 WM0 WS0 T0
∣ ∣ ∣ ∣
WY240 WM1896 WS984 T255
○ ○ ○ ○
○ ○ ○ ○
○ ○ ○ ○
D=0
R 0
1
R
Y0
R 2
CY
BR
Sa R0
Sb R1
D R2
Y0＝1 (carry 1 represents ＋32768)
ADDITION
Sa: Augend
Sb: Addend
D : Destination register to store the results
Sa, Sb, D may combine with V, Z, P0~P9
to serve indirect addressing
HR IR OR
C0 R0 R3840 R3904
∣ ∣ ∣ ∣
C255 R3839 R3903 R3967
○ ○ ○ ○
○ ○ ○ ○
○ ○ ○
D
instruction) from 0 to 1. If the result of addition is equal to
Key Operations
ORG
OUT
12345
R0＋R1＝32770
20425

X0＝
32768+2=32770
2
6-26
Operand
of the addition
SR ROR DR K
R3968 R5000 D0
16/32-bit
∣ ∣ ∣
+/− number
R4167 R8071 D4095
○ ○ ○ ○
○ ○ ○ ○
○* ○* ○
Mnemonic Codes
ORG
FUN 11P
Sa： R
Sb： R
D：
FO
OUT
FUN 11 D P
（＋）
XR
V、Z
P0~P9
○
○
○
X 0
0
1
R 2
1
Y 0