ICP DAS USA 7000 user manual Set Type Channels RS-485

3.2.3I-7561 has three different Output type How to select I-7561’s output type?

NOTE: RS-422 and RS-485 output type can’t use at the same time.

Type 1: One channel RS-485 output.

Type 2: One channel RS-422 output.

Type 3: Two channels RS-485 output.

RS422/485 Output Jumpers setting:

For type 1: Set JP1 jumper to positions 1 and 2.

For type 2: Set JP1 jumper to positions 1 and 2.

For type 3: Set JP1 jumper to positions 2 and 3.

3	Default sitting	3
2	RS-422 or RS-485
		2
1		1
JP1		JP1

Set Type 3:

2-channels RS-485

3.2.4 I-7561 is designed Termination resistor (120 Ohm) on board

Add / Remove resistor Jumper. For RS-485 channel one. For Add resistor: Set JP2 jumper to positions 2 and 3. For Remove resistor: Set JP2 jumper to positions 1 and 2.

3

2

1

JP2

Default sitting

120 Ohm on board

3

2

1

JP2

Remove resistor

7000 Bus Converter User Manual (version 1.2,Feb/2003, 7PH-006-10) --------------- 40