Impulse 7203 Manual de usuario descargar pdf (Pagina 5)

Card Setup

Sealevel Systems ULTRA COMM+2I.PCI Page 2

Card Setup

Electrical Interface Selection

Each port on the ULTRA COMM+2I.PCI has the ability to be used as RS-232,

RS-422 or RS-485. This is selectable via two DIP-switches, SW1 & SW2.

Please use the following examples to configure your adapter.

Figure 1- RS-232

Figure 2 - RS-422

Figure 3 - RS-485, 4-Wire with Echo

Figure 4 - RS-485 2-Wire with Echo

1 2 3 4 5 6 7

ON

OFF

8 9 10

123TPPLLE

RS-232

1 2 3 4 5 6 7

ON

OFF

8 9 10

123TPPLLE

RS-422

1 2 3 4 5 6 7

ON

OFF

8 9 10

123TPPLLE

4-Wire

RS-485

W/Echo

1 2 3 4 5 6 7

ON

OFF

8 9 10

123TPPLLE

2-Wire

RS-485

W/Echo

1 2 3 4 5 6 7 8 9 10 ... 20 21

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