Fnc280 - Hsct / High-Speed Counter Compare With Data Table - Mitsubishi Electric FX3G SERIES Programming Manual

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
32.1 FNC280 – HSCT / High-Speed Counter Compare With Data Table
Outline
This instruction compares the current value of a high-speed counter with a data table of comparison points, and then
sets or resets up to 16 output devices.
1. Instruction format
FNC 280
D
HSCT
2. Set data
Operand Type
S
1
m
S
2
D
n
3. Applicable devices
Bit Devices
Oper-
and System User
Type
X Y M T C S D .b KnX KnY KnM KnS
S
1
m
S
2
D
n
Only a high-speed counter C235 to C255 can be specified in " ".
Explanation of function and operation
1. 32-bit operation (DHSCT)
The current value of a high-speed counter specified in
(3 m) points stored in
output to D to
Command
input
FNC280
DHSCT
Data table used for comparison
Comparison
point number
0
S
1
S
2
S
m-2
S
m-1
S
Mnemonic
16-bit Instruction
⎯
⎯
Head device number storing the data table
Number of comparison points in data table [1 ≤ m ≤ 128]
High-speed counter number (C235 to C255)
Head device number to which the operation status is output
Number of devices to which the operation status is output [1 ≤ n ≤ 16]
Digit Specification
S and later, and the operation output set value (ON or OFF) specified in the data table is
1
D +n-1.
S m S
1 2
Operation output set value
Comparison value
S S
+1,
1 1
S S
+4, +3
1 1
S S
+7 +6
1 1
S S
+3m-5, +3m-6
1 1
S S
+3m-2, +3m-3
1 1
32 High-Speed Processing 2 – FNC280 to FNC289
32.1 FNC280 – HSCT / High-Speed Counter Compare With Data Table
Operation Condition
32-bit Instruction
21 steps
Description
Word Devices
Special
System User
Unit
T C D R U \G V
S is compared with the data table shown below which has
2
D n
Operation output destination
(SET [1] or RESET [0])
+2
1
+5
1
+8
1
D
+3m-4
1
+3m-1
1
Mnemonic Operation Condition
DHSCT
Continuous
Operation
⎯
Data Type
16- or 32-bit binary
16-bit binary
32-bit binary
Bit
16-bit binary
Others
Con- Real Charac-
Index
stant Number ter String
Z Modify K H E " "
D
to +n-1
31
32
33
34
35
Pointer
P
36
37
38
A
B
707