Vacon NXV0010 - Page 31

ELECTRICAL CONNECTION vacon • 31
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OPTD7 board specification
Transformer primary/
input voltage range
Min 380VAC -15%
Max 690VAC +15%
Transformer ratio
Primary : secondary
60:1
Transformer second-
ary/output voltage range
14V rms Between the terminals L1/L2/L3.
Input impedence
L1/L2 =50kOhm
L1/L3 = 25kOhm
L2/L3 = 25kOhm
L3 is internal virtual common
Cable recommendation
Max 1.5 mm
2
, shielded From transformer output to OPTD7
Measurement resolution
10 bit
Voltage measurement
Accuracy
0.2%
Table 5-11. OPTD7 board specification