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PCL-COMMUNICATION User Manual 24

Base address setting (SW1 or S2)

For base address specify the I/O address of the first port and subsequent

ports are set continuous base addresses by the offset of 8 bytes. For

instance, if the first port is set for 300H, then the second port is set to

308H sequentially. For 8 ports, specify the continuous PORT number of

the first port and subsequent ports are mapped to continuous PORT num-

bers. For example:

Select an address, which is not already in use by another card in the sys-

tem. If you are installing more than one card in your system, set the card

to different base address. DIP switch (SW1) controls each card’s base

address, as shown below.

Figure 2.21: Port Base Address Setting

Port Address

1 Address 300H

2 Address 308H

3 Address 310H

4 Address 318H

5 Address 320H

6 Address 328H

7 Address 330H

8 Address 338H

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 79 80

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