Switching Between Manual Output Value And Memory Value; Correction For Acceleration And Deceleration; Functions Of Gain 1 And Gain 2 - Mitsubishi LE-30CTN Instruction Manual

5. Automatic Operation and Functions
5.2.3

Switching between manual output value and memory value

• Generally use these values as follows.
[1] After replacing the reel, if the operation is restarted from the initial diameter, the output memory signal
will be turned OFF, and the manual set value will be used for operation. In this case, the manual set
value will be output depending on the initial diameter of the reel (full diameter for unwinding, and reel
diameter for winding).
[2] Stop and restart the machine without replacing the reel, the output value stored in the memory will be
used.
5.3

Correction for acceleration and deceleration

5.3.1

Functions of gain 1 and gain 2

If the machine is rapidly accelerated or decelerated, the material tension may be changed due to inertia of the
material. To minimize such change in the tension, gain 1 and gain 2 will be used.
• In the automatic control mode, if the output gain 1 signal or the output gain 2 signal is turned ON, the output
value will be multiplied by the set gain value, and then the automatic control will be restarted using the
multiplied output value.
• To use the output gain 1 and 2 signals, select item number 50 in the adjustment mode, and then assign the
function to the input contact terminal (MI1, MI2, or MI3). Refer to Sec. 6.1.2.
• During the manual operation, the functions of gain 1 and gain 2 will not be valid.
• If it is not necessary to correct the inertia for acceleration or deceleration, it is not necessary to set the gain
function.
• The control value for the output just after the powered is turned ON for the gain 1 or 2 signal is calculated by
the following formula (the maximum value is limited to 100%):
OUT.g=A × G / 100 (%)
28
Control output
[RUN] signal
Output memory
signal
AUTO indicator
LED(11)
Acceleration
Line speed
ON
Output gain
1
OFF
Output gain
2
Control output
A
OUT
5.3 Correction for acceleration and deceleration
Stop timer
Manual set
output
Memory output 1
ON
OFF
ON
OFF
Flashes
Lights
Goes
Flashes
out
Automatic
control
ON
OFF
OUT
A
.g
OUT.g =Control output value just after turning on the gain signal (%)
A =Control output value just before turning on gain signal (%)
G =Gain 1 or 2 set value (%)
Stop timer
Manual set
output
Memory output 2
Lights Lights
Flashes
Goes
out
Automatic Automatic
control control
Deceleration
Example for
unwinding control
Output gain 1 < 100%
Output gain 2 > 100%
OUT.g=A×G / 100 (%)
.
g
G=Gain 1 or gain 2 set value (%)