Fnc 51 - Reff / Refresh And Filter Adjust - Mitsubishi FX3U Series Programming Manual

FX /FX Series Programmable Controllers
3U 3UC
Programming Manual - Basic & Applied Instruction Edition
13.2 FNC 51 – REFF / Refresh and Filter Adjust
Outline
The input filter of the inputs X000 to X017
instruction or D8020.
By this instruction, the information of inputs X000 to X017
program at the specified input filter time, and then transferred to the image memory.
1. Instruction format
FNC 51
REFF
2. Set data
Operand Type
n
3. Applicable devices
Bit Devices
Oper-
and System User
Type
X Y M T C S D .b KnX KnY KnM KnS T C D R U \G
n
: K0 (H0) to K60 (H3C)
Explanation of function and operation
1. 16-bit operation (REFF and REFFP)
16 inputs from X000 to X017
Command
input
FNC 51
REFF
• When the input turns ON "n × 1 ms" before the instruction is executed, the image memory is set to ON.
When the input turns OFF "n × 1 ms" before the instruction is executed, the image memory is set to OFF.
• When the command input is ON, REFF instruction is executed in each operation cycle.
• When the command input is OFF, REFF instruction is not executed, and the input filter of X000 to X017
set to the set value of D8020 (which is the value in the input processing).
*1. X000 to X007 in the FX
320
Mnemonic
16-bit Instruction
P REFF
3 steps
REFFP
Time data of digital filter [K0 to K60 (H0 to H3C) × 1 ms]
Digit Specification
*1
in the image memory are refreshed at the input digital filter time [n × 1 ms].
n
K0 to K60 (Filter constant from 0 to 60 ms)
-16M
3U
13 High Speed Processing – FNC 50 to FNC 59
13.2 FNC 51 – REFF / Refresh and Filter Adjust
*1
is the digital type, and its filter time can be changed using this
*1
can be received in an arbitrary step in the
Operation Condition
32-bit Instruction
Continuous
Operation
Pulse (Single)
Operation
Description
Word Devices
Special
System User
Unit
Mnemonic Operation Condition
−
−
16-bit binary
Others
Con- Real
Index
stant Number
V Z Modify K H E
Data Type
Charac-
Pointer
ter String
" " P
*1
is