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.

Joint using a connector

2Arrange 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.

JW-20CM

Coaxial cable

JW-20CM

 

 

 

Wraparound current

JW-20CM has a

 

fuse element here

 

 

Turn “ON”

 

Turn “ON”

shield ground

 

shield ground

FG

 

FG

 

 

Rack etc.

Note: In case enough

 

 

conductivity is not

 

 

established.

 

 

 

Electric welder

 

2·2