Справочник Пользователя для Sharp JW-20RS

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Coaxial cable
JW-20CM
Turn “ON” 
shield ground 
Rack etc.
Electric welder
Note: In case enough 
conductivity is not 
established.
JW-20CM
Turn “ON” 
shield ground 
JW-20CM has a 
fuse element here
Wraparound current
FG
FG
● Communication cables should be laid from the master station to the slave station one by one.
Multiple wiring from one point or wiring without terminators may cause communication errors.
● Arrange total cable length within 1 km.
● Arrange branch cable line from a trunk within 400 mm.
● Prior to any electric welding around the JW-20CM, take out the coaxial cable from the JW-20CM.
While the coaxial cable is connected to the JW-20CM, any electric welding nearby the JW-20CM will
cause the welding current to enter the JW-20CM and may damage part of its circuit pattern.
Joint using a 
connector