Black Box IC183C, RS-422, RS-485 manual Off

Models: IC183C RS-422 RS-485

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RS-422/485 SERIAL INTERFACE PLUS, 4-PORT

 

Table 3-2. Address Selection Table.

 

 

 

 

 

 

 

Address lines

A9

A8

A7

A6

A5

 

 

 

 

 

 

Address Selected

1

2

3

4

5

 

 

 

 

 

 

280-29F

Off

On

Off

On

On

 

 

 

 

 

 

2A0-2BF

Off

On

Off

On

Off

 

 

 

 

 

 

380-39F

Off

Off

Off

On

On

 

 

 

 

 

 

1A0-1BF

On

Off

Off

On

Off

 

 

 

 

 

 

2E0-2FF

Off

On

Off

Off

Off

 

 

 

 

 

 

Figure 3-1shows the correlation between the DIP-switch setting and the address bits used to determine the base address. In the example below, address 2E0 is selected as a base. Address 2E0 in binary is XX 10 111X XXXX where X = a non-selectable address bit.

A9

 

 

 

 

 

A5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

2

3

4

5

 

6

7

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 3-1. DIP Switch Setting.

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Black Box IC183C, RS-422, RS-485 manual Off