Impulse 2202 Bedienungsanleitung PDF herunterladen (Seite 8)

Configuration

Sealevel Systems SeaPORT+2/485 Page 5

Switch Descriptions

Figure 1: Switche SW4

L 485 option, OFF for 422.

OFF: No effect

ON : Connects TX+ to RX+ for two-wire operation

L 485 option, OFF for 422.

OFF: No effect

ON : Connects TX- to RX- for two-wire operation

PU 485 option, OFF for 422.

OFF: No effect

ON : Adds a 1 K ohm pull-up resistor to RX+

PD 485 option, OFF for 422.

OFF: No effect

ON : Adds a 1 K ohm pull-down resistor to RX-

T 422 and 485 option.

OFF: No effect

ON : Adds a 120 ohm termination resistor between RX+ and RX-

12345678

OFF

910

Port 1

Port 2

SW4

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Impulse 2202 Bedienungsanleitung Seite 8