Timing Chart - Mitsubishi Electric PLK-J-CU-20 Technical Manual

1. Thread trimming timing chart
·Timing for thread trimming output [T] :
·Timing for thread release output [L] :
·Timing for wiper output [W] :
Needle up
position UP
0
T：Thread trimming output signal
A+：Thread trimming Motor current
LTM
TRS (deg)
T
T1
A+
TRS (deg)
T
T2
A+
TRS (deg)
T
T3
A+
TRS (ms)
T
T4
A+
T
T5
A+
LLM
L1 L
LRS (deg)
LRS (deg)
L2
L
L3
LRS (deg)
L
L4
LRS (ms)
L
L5
L
Wiper
Output W
signal W
*
1: Thread trimming motor start to move after delay time (about 25 msec) of Trim output turning ON.
Thread trimming motor is driven by independent.
Note:
Please note the setting about trim speed and trim timing.

[7] Timing chart

Program mode [Thread trimming/release timing] -- [LTM]
Program mode [Thread trimming/release timing] -- [TRS]
Program mode [Thread trimming/release timing] -- [TRE]
Program mode [Thread trimming/release timing] -- [LLM]
Program mode [Thread trimming/release timing] -- [LRS]
Program mode [Thread trimming/release timing] -- [LRE]
Program mode [Wiper] -- [W1]
Program mode [Wiper] -- [W2]
UP1
ON
T1
TRE (ms)
Starting motor operation
*
1
TRE (deg)
Starting motor operation
*
1
TRE (ms)
Starting motor operation
*
1
TRE (ms)
Starting motor operation
*
1
TRS (ms)
LRE (deg)
LRE (ms)
LRE (ms)
LRS (ms)
W1 (ms)
msec
msec
UP2
ON
Thread release output signal
L：
W：wiper output signal
T2
End of motor operation
Waiting
End of motor operation
Waiting
End of motor operation
Waiting
End of motor operation
Waiting
Starting motor operation
*
1
[7] ‐ 1
T1~T5
msec / deg
msec / deg
L1~L5
msec / deg
msec / deg
TRE (ms)
End of motor
operation
Waiting
LRE (ms)
LRE (ms)
W2 (ms)