Jumper block X3:
CMA and CMB grounding
CMB connected to GND
CMA connected to GND
CMB isolated from GND
CMA isolated from GND
CMB and CMA internally
connected together,isolated
from GND
= Factory default
e
3
0
b
h
0
1
3
.1
0
Illustration 12: Jumper Selections
5.3 Control Signal Logic in Multi-step Speed Control Application
DIN4
DIN5
AI1
AI2
DIN1
DIN2
DIN3
DIN6
3.2 Keypad reference
2.1.11 I/O Reference
2.1.12 Keypad Ctrl Reference
2.1.13 Fieldbus Ctrl Reference
2.1.15 Preset Speed 1
...2.1.29 Preset Speed 15
3.1 Control place
Internal frequency
reference
Start forward
(programmable)
Start reverse
(programmable)
Start/Stop
Reverse
Internal Start/Stop
Internal reverse
Internal fault reset
Fault reset input
Reset button
Start/Stop buttons
Reference from fieldbus
Start/Stop from fieldbus
Direction from fieldbus
3.3 Keypad direction
Preset Speed 1
Preset Speed 2
Preset Speed 3
2.1.14 Jogging speed
reference
(programmable)
≥ 1
Programmable
Start/Stop and
reverse logic
e
3
0
b
h
0
5
2
.1
0
Illustration 13: Control Signal Logic of the Multi-step Speed Control Application
AB296635287482en-000301 / DPD00903 | 47
Danfoss A/S © 2023.02
Multi-step Speed Control
Application
VACON® NX All-in-One
Application Guide
Summary of Contents for VACON NX
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