3
vacon • 20 Descriptions of VACON® option boards
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
Jumper selections
There are four jumper blocks on the OPTA1 board. The factory defaults and other available jumper
selections are presented below.
Figure 12. Jumper block selection on OPTA1
ABCD
ABCD
ABCD
ABCD
ABCD
ABCD
ABCD
ABCD
ABCD
ABCD
Jum per block X 1 :
AI1 mode
AI1 mode: Voltage input; 0...10V
AI1 mode: Voltage input; 0...10V (differential)
AI1 mode: Voltage input; -10...10V
Jum per block
2:
AI2 mode
AI2 mode: 0...20mA; Current input
AI2 mode: Voltage input; 0...10 V
AI2 mode: Voltage input; 0...10V (differential)
AI2 mode: Voltage input; -10...10V
Jum per block X 3 :
CMA and CMB grounding
CMB connected to GN D
CMA connected to GN D
CMB isolated from GN D
CMA isolated from GN D
CMB and CMA
internally connected together,
isolated from GN D
=Factorydefault
Jum per block X 6 :
AO1 mode
AO 1 mode: 0 ...20mA; Current output
AO1 mode: Voltage output; 0...10V
AI1 mode: 0...20mA; Current input
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