User manual

19PCI/ PCI Express-Communication User Manual

Chapter 2 Hardware Configuration

2.3.3.2 RS-232/422/485 Selection (for PCIe-1622A/B)

Should you wish to configure the PCIe-1622A/B to operate in the RS-232 or RS422/

RS-485 mode, you will locate jumpers at CN10 to CN17 to make connection as

shown below.

Figure 2.16 PCIe-1622 Series RS-232/422/485 Selection

2.3.3.3 RS-422/485 Selection (for PCI-1601A/B/1602/1602UP)

You can set each port individually for either RS-422 (the default) or RS-485 opera-

tion.See section 2.2 “Jumper and Switch Locations” for help to locate the jumpers.

Figure 2.17 RS-422/485 Selection by Jumper Setting

2.3.3.4 PCI-1603 RS-232/Current-loop Mode Selection

For RS-232 mode operations, the jumpers will be set as the default mode. The jump-

ers on the 10*2 pin jumper must be set to A, B, C, D and E.

Figure 2.18 PCI-1603 RS-232 Mode Jumper Setting

To enable the channel to operate in the current-loop mode, you should set F, G, H, I

and J on the 10*2 pin jumpers.

Figure 2.19 PCI-1603 Current-loop Mode Jumper Setting

RS-422 RS-485

A B C D E F G H I J