Shenzhen Hpmont Technology Co., Ltd Chapter 6 Function Introduction
HD20 Series Inverters User Manual ―79―
No. Name Description Range
factory setting
13－16: Multi-step frequency terminal 1, 2, 3, 4.
• Up to 15 speed references can be set through different 0/1 logic combinations of terminals.
• The inverter can realise 15-step speed operation through the logical combinations of 4
terminals.
• The inverter can realise 7-step speed operation through the logical combinations of 3 terminals.
• The inverter can realise 3-step speed operation through the logical combinations of 2 terminals.
• The inverter can realise the switch between setting frequency and multi-step frequency through
one terminal function.
• Refer to the below table and figure. K1 to terminal 1, K2 to terminal 2, K3 to terminal 3, K4 to
terminal 4.
K4 K3 K2 K1 Frequency setting
0 0 0 0 Setting frequency
0 0 0 1 Multi-step frequency 1 (F06.00)
0 0 1 0 Multi-step frequency 2 (F06.01)
0 0 1 1 Multi-step frequency 3 (F06.02)
0 1 0 0 Multi-step frequency 4 (F06.03)
0 1 0 1 Multi-step frequency 5 (F06.04)
0 1 1 0 Multi-step frequency 6 (F06.05)
0 1 1 1 Multi-step frequency 7 (F06.06)
1 0 0 0 Multi-step frequency 8 (F06.07)
1 0 0 1 Multi-step frequency 9 (F06.08)
1 0 1 0 Multi-step frequency 10 (F06.09)
1 0 1 1 Multi-step frequency 11 (F06.10)
1 1 0 0 Multi-step frequency 12 (F06.11)
1 1 0 1 Multi-step frequency 13 (F06.12)
1 1 1 0 Multi-step frequency 14 (F06.13)
1 1 1 1 Multi-step frequency 15 (F06.14)
f15
f14
f13
f12
f11
f10
f2
f1
f4
f3
f6
f5
f8
f7
f9
Output frequency
K1
K2
K3
K4
f1－f15 corresponds to multi-step frequency 1－15
6
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