Mechanical and Electrical Installation MD380 User Manual
- 42 -
Ƶ
:LULQJ'HVFULSWLRQRI6LJQDO,QSXW7HUPLQDOV
1) :LULQJRI$,WHUPLQDOV
:HDNDQDORJYROWDJHVLJQDOVDUHHDV\WRVXIIHUH[WHUQDOLQWHUIHUHQFHDQGWKHUHIRUHWKH
shielded cable must be used and the cable length must be less than 20 m, as shown in
IROORZLQJ¿JXUH
)LJXUH:LULQJRI$,WHUPLQDOV
+10 V
AI1
GND
Potentiometer
PE
< 20 m
MD380
In applications where the analog signal suffers severe interference, install filter
capacitor or ferrite magnetic core at the analog signal source, as shown in the following
¿JXUH
)LJXUH,QVWDOO¿OWHUFDSDFLWRURUIHUULWHPDJQHWLFFRUH
AI1
GND
Cross or wind two or three
coils in the same direction
0.022 uF, 50 V
Ferrite
magnetic core
C
MD380
efesotomasyon.com