Справочник Пользователя для Mitsubishi Electronics FXCPU
14 Applied Instructions (External FX I/O Device)
14.6 ARWS / Arrow Switch
372
FXCPU Structured Programming Manual
[Basic & Applied Instruction]
14.6
ARWS / Arrow Switch
Outline
This instruction enters data by arrow switches for digit move and increase and decrease of numerical value of
each digit.
each digit.
1. Format and operation, execution form
2. Set data
3. Applicable devices
S: Refer to "Cautions".
Function and operation explanation
Four arrow switches are connected to the input of the device specified by
, the 7-segment display unit
with BCD decoder is connected to the output of the device specified by
, and the numeric value is
entered in the device specified by
.
1. 16-bit operation (ARWS)
In the device specified by
, 16-bit BIN value of 0 to 9,999 is stored, but for the convenience of
explanation, BCD converted value is expressed.
When the command input is ON, then ARWS instruction operates as follows.
When the command input is ON, then ARWS instruction operates as follows.
FX
3U(C)
FX
3G(C)
FX
3S
FX
2N(C)
FX
1N(C)
FX
1S
FX
U
/FX
2C
FX
0N
FX
0(S)
Instruction
name
Operation
Execution
form
Expression in each language
Structured ladder/FBD
ST
ARWS
16 bits
Continuous
ARWS(EN, s, n, d1, d2);
Variable
Description
Data type
Input
variable
variable
EN
Execution condition
Bit
Head bit device to be entered (4 points occupied)
ARRAY [0..3] OF Bit
Digit number specification of 7-segment display
ANY16
Output
variable
variable
ENO
Execution state
Bit
Word device in which BCD converted data is stored
ANY16
Head bit device (Y) for connecting 7-segment display unit (8 points
occupied)
occupied)
ARRAY [0..7] OF Bit
Operand
type
Bit Devices
Word Devices
Others
System user
Digit designation
System
user
Special
unit
Index
Cons
tant
Real
Number
Character
String
Pointer
X Y M T C S D
.b KnX KnY KnM KnS T C D R U
\G
V Z Modifier K H
E
"
"
P
z z z
z
S1
z
z z
z z z
S2
S2
z z
z
z
z
ARWS
EN
s
n
s
n
ENO
d1
d2
d2
Command input
ARWS
EN
s
n
ENO
d1
d2
Head bit device to
be entered
be entered
Digit number
specification
of 7-segment
display.
specification
of 7-segment
display.
Word device in which BCD
converted data is stored
converted data is stored
Head bit device for connecting
7-segment display unit
7-segment display unit