Shenzhen Hpmont Technology Co., Ltd Chapter 6 Function Introduction
HD20 Series Inverters User Manual ―65―
No. Name Description Range
factory setting
• 1: Maintain the final value after single cycle of PLC operation. The inverter will maintain the run
frequency and direction of the last step after completing one operating cycle.
• 2: Cycle operation. The inverter will operate with a new cycle from Step 1 automatically after
completing one operating cycle until receiving the stop command.
Tens: PLC operation restart mode selection after pause
• 0: Start from step 1.
• If the inverter stops during PLC operation due to the stop command, fault or power failure, the
PLC operation will start from the Step 1 next time.
• 1: Continue to operate from the step where
the inverter pauses.
• If the inverter stops during PLC operation
due to the stop command or fault, it will
record the uptime.
• When it restarts, the inverter will continue
operation from the step where it pauses
as shown in figure.
• 2: Continue to operate at the frequency
when the inverter pauses.
• When the inverter stops during PLC
operation due to the stop command or
fault, it will record not only the operated
time but also the current frequency.
• It will continue to operate at the recorded
frequency upon restart.
Note: The difference between Mode 1 and Mode 2 is that Mode 2 also memorizes the running
frequency when the inverter pauses, and the inverter will continue to operate at the frequency
upon restart.
f15
f14
f13
f12
f11
f10
f2
f1
f4
f3
f6
f5
f8
f7
f9
T15T10T1 T2 T3 T4 T5 T6 T7 T8 T9 T11 T12 T13 T14
Maintaining
Run command
f15
f14
f13
f12
f11
f10
f2
f1
f4
f3
f6
f5
f8
f7
f9
T15T10T1 T2 T3 T4 T5 T6 T7 T8 T9 T11 T12 T13 T14
f1
T1
Operating with a new cycle
automatically
Run command
Stop command
Stop
Intermitting signal
f3
f4
f5
T3
f2
T41 T42 T5
Time
0
f3
f4
f5
T3
f2
T41 T42 T5
Output freq.
0
T4
1 = the operated time T4
2 = the rest
Output freq.
Pause freq.
Time
6
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