Add / Remove resistor Jumper. For RS-485 channel two. For Add resistor: Set JP3 jumper to positions 2 and 3. For Remove resistor: Set JP3 jumper to positions 1 and 2.

3

2

1

JP3

Default sitting

120 Ohm on board

3

2

1

JP3

Remove resistor

7000 Bus Converter User Manual (version 1.2,Feb/2003, 7PH-006-10) ---------------

18

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Image 18
ICP DAS USA 7000 user manual JP3