Advantech PCI-1612 Manuel d'utilisateur télécharger pdf (Page 41)

31 Chapter 2

2.3.3 Mode Selection by Jumper/DIP Settings

RS-232/422/485 Selection (for PCI-1612A/B/AU/U/CU)

Should you wish to configure the PCI-1612A/B/AU/U/CU to operate in

the RS-232 mode, the upper two pins of the 12*3 pin jumper should be

connected. For RS-422/ RS-485 mode selection, the bottom two pins of

the 12*3 pin jumper should be connected as shown below.

Figure 2.21: PCI-1612 Series RS-232/422/485 Selection

RS-422/485 Selection (for PCI-1601/1602/1611/1612/1622)

You can set each port individually for either RS-422 (the default) or RS-

485 operation. The figure 2.11 shows the jumper setting. See section 2.2

"Jumper and Switch Locations" from figure 2.1 to figure 2.17 for help to

locate the jumpers.

Figure 2.22: RS-422/485 Selection by Jumper Setting

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Advantech PCI-1612 Manuel d'utilisateur Page 41