Fnc 67 - Ramp / Ramp Variable Value - Mitsubishi Electric MELSEC FX3U Programming Manual

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
14.8 FNC 67 – RAMP / Ramp Variable Value
Outline
This instruction obtains the data which changes between the start value (initial value) and the end value
(target value) over the specified "n" times.
1. Instruction format
FNC 67
RAMP
2. Set data
Operand type
S S
1
1
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 T C D R U \G
S S
1 1
S
2
S D
2
n
Explanation of function and operation
1. 16-bit operation (RAMP)
When the start value
ON, the value obtained by adding a value divided equally by "n" times to
stored to D D
1
By combining this instruction and an analog output, the cushion start/stop command can be output.
Command
input
1) In the case of "
S
1
• The number of scans ("0" to "n") is stored in
• The time from start to the end value is the operation cycle multiplied by "n" times.
430
Mnemonic
16-bit Instruction
9 steps RAMP
Device number storing the initial value of ramp
Device number storing the target value of ramp
Device number storing the current value of ramp
Ramp transfer time (scan) [1 to 32, 767]
Digit Specification
and the end value
S D
1 1
.
FNC 67
S S
1 2
RAMP
S S
1 < 2 "
S
2
D
"n" scans
D
Number of scans
Operation Condition
Continuous
Operation
Description
Word Devices
Special
System User
Unit
have been specified and the command input is set to
S D
2 1
D n
S
2) In the case of "
1
S
1
D
"n" scans
+1
Number of scans
+1.
D D
1
14 Handy Instruction – FNC 60 to FNC 69
14.8 FNC 67 – RAMP / Ramp Variable Value
Mnemonic
32-bit Instruction
−
Con- Real
Index
stant Number
V Z Modify K H E
in every operation cycle is
S D
1 1
S
> "
2
S
2
D
+1
Operation Condition
Data type
16-bit binary
16-bit binary
16-bit binary
16-bit binary
Others
Charac-
Pointer
ter String
" " P