42
Winding diameter compensation
function
3.8.10 Storage and clear of winding/unwinding length (Pr. 279 to Pr. 281, X86 signal, Y53
signal)
When selecting line speed input (
Pr. 763
= 1 to 7), winding (unwinding) length can be displayed.
* Use JOG terminal for single-phase when encoder is used for line speed detection.
(1) Winding diameter storage selection
(Pr. 781)
By setting
Pr. 781 Winding diameter storage selection
to "1", winding (unwinding) length is stored.
Winding (unwinding) length is stored at the same time with winding diameter. (Refer to page
for unwinding diameter
storage.)
(2) Stored winding/unwinding length
(Pr. 281)
Winding or unwinding length presently stored can be monitored with
Pr. 281
.
Stored winding length can be changed by overwriting a desired value in
Pr. 281
.
(3) Stored winding/unwinding length clear (X86 signal)
Stored winding or unwinding length is cleared when X86 signal turns ON.
Set "86" in any of
Pr. 178 to Pr. 189 (input terminal function selection)
to assign X86 signal.
(Stored winding/unwinding length is not cleared by stored winding diameter clear (X55 signal input).)
(4) Winding/unwinding length detection (Y53 signal)
Winding/unwinding completion signal (Y53) turns ON when winding (unwinding) length of material exceeds the set length in
Pr. 279 Winding/unwinding length detection
.
Set "53 (positive logic) or 153 (negative logic)" in any of
Pr. 190 to Pr. 196 (Output terminal function selection)
to assign Y53
signal to an output terminal.
Parameter
Number
Name
Setting
Range
Increments
Initial
Value
Remarks
279
Winding/unwinding length detection
0 to 9999
1
1000
Unit can be changed with
Pr. 280
280
Winding/unwinding length unit
0, 1, 2, 3
1
0
0: 1m
1: 10m
2: 100m
3: 1km
281
Stored winding/unwinding length
0 to 9999
1
0
Unit can be changed with
Pr.280
FR-A700-A1
2
Encoder for line
speed detection
FR-A7AP
STF/STR
Start Signal
Dancer/tension
control selection (X83)
RL
Dancer roll position detection
Main speed setting
1
Line speed detection
*
Winding/unwinding
completion signal (Y53)
Power
supply
R/L1
S/L2
T/L3
U
V
W
IM